MAX488ECSA [ROCHESTER]
Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO8, 0.150 INCH, MS-012A, SOIC-8;
| 型号： | MAX488ECSA |
| 厂家： | 
Rochester Electronics |
| 描述： | Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO8, 0.150 INCH, MS-012A, SOIC-8 驱动 光电二极管 接口集成电路 驱动器 |
| 文件： | 总17页 (文件大小：1370K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±±15k ꢀED-ꢁrotected, Elew-Rate-Limited,
Low-ꢁower, RE-481/RE-422 Transceivers
General Description
Next-Generation Device Features
The MAX481E, MAX483E, MAX485E, MAX487E–
MAX491E, and MAX1487E are low-power transceivers for
RS-485 and RS-422 communications in harsh environ-
ments. Each driver output and receiver input is protected
against 15ꢀk electro-static discharge ꢁESꢂD shocꢀs,
without latchup. These parts contain one driver and one
receiver. The MAX483E, MAX487E, MAX488E, and
MAX489E feature reduced slew-rate drivers that minimize
EMI and reduce reflections caused by improperly termi-
nated cables, thus allowing error-free data transmission
up to 250ꢀbps. The driver slew rates of the MAX481E,
MAX485E, MAX490E, MAX491E, and MAX1487E are not
limited, allowing them to transmit up to 2.5Mbps.
♦ For Fault-Tolerant Applications:
MAX3430: ±±0ꢀ Fault-ꢁrotecteꢂd Fail-ꢃaꢄed ꢅ14-
Unit Loaꢂd +3.3ꢀd Rꢃ-4±5 Transceiver
MAX30±0–MAX30±9: Fail-ꢃaꢄed High-ꢃpeeꢂ
(ꢅ0Mbps)d ꢃlew-Rate-Limiteꢂd Rꢃ-4±51Rꢃ-422
Transceivers
♦ For ꢃpace-Constraineꢂ Applications:
MAX3460–MAX3464: +5ꢀd Fail-ꢃaꢄed 20Mbpsd
ꢁroꢄibusd Rꢃ-4±51Rꢃ-422 Transceivers
MAX3362: +3.3ꢀd High-ꢃpeeꢂd Rꢃ-4±51Rꢃ-422
Transceiver in a ꢃOT23 ꢁackage
MAX32±0E–MAX32±4E: ±ꢅ5kꢀ EꢃS-ꢁrotecteꢂd
52Mbpsd +3ꢀ to +5.5ꢀd ꢃOT23d Rꢃ-4±51Rꢃ-422
True Fail-ꢃaꢄe Receivers
MAX3030E–MAX3033E: ±ꢅ5kꢀ EꢃS-ꢁrotecteꢂd
+3.3ꢀd Quaꢂ Rꢃ-422 Transmitters
These transceivers draw as little as 120µA supply cur-
rent when unloaded or when fully loaded with disabled
drivers ꢁsee Selector GuideD. Additionally, the MAX481E,
MAX483E, and MAX487E have a low-current shutdown
mode in which they consume only 0.5µA. All parts oper-
ate from a single +5k supply.
♦ For Multiple Transceiver Applications:
MAX32931MAX32941MAX3295: 20Mbpsd +3.3ꢀd
ꢃOT23d Rꢃ-4±51Rꢃ-422 Transmitters
ꢂrivers are short-circuit current limited, and are protected
against excessive power dissipation by thermal shutdown
circuitry that places their outputs into a high-impedance
state. The receiver input has a fail-safe feature that guar-
antees a logic-high output if the input is open circuit.
♦ For Fail-ꢃaꢄe Applications:
MAX3440E–MAX3444E: ±ꢅ5kꢀ EꢃS-ꢁrotecteꢂd
±60ꢀ Fault-ꢁrotecteꢂd ꢅ0Mbpsd Fail-ꢃaꢄe
Rꢃ-4±51Jꢅ70± Transceivers
The MAX487E and MAX1487E feature quarter-unit-load
receiver input impedance, allowing up to 128 trans-
ceivers on the bus. The MAX488E–MAX491E are
designed for full-duplex communications, while the
MAX481E, MAX483E, MAX485E, MAX487E, and
MAX1487E are designed for half-duplex applications.
For applications that are not ESꢂ sensitive see the pin-
and function-compatible MAX481, MAX483, MAX485,
MAX487–MAX491, and MAX1487.
♦ For Low-ꢀoltage Applications:
MAX34±3E1MAX34±5E1MAX34±6E1MAX34±±E1
MAX3490E1MAX349ꢅE: +3.3ꢀ ꢁowereꢂd ±ꢅ5kꢀ
EꢃS-ꢁrotecteꢂd ꢅ2Mbpsd ꢃlew-Rate-Limiteꢂd
True Rꢃ-4±51Rꢃ-422 Transceivers
Ordering Information
Applications
ꢁART
TEMꢁ RANGE
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
ꢁIN-ꢁACKAGE
8 Plastic ꢂIP
8 SO
Low-Power RS-485 Transceivers
Low-Power RS-422 Transceivers
Level Translators
MAX4±ꢅECPA
MAX481ECSA
MAX481EEPA
MAX481EESA
MAX4±3ECPA
MAX483ECSA
MAX483EEPA
MAX483EESA
8 Plastic ꢂIP
8 SO
Transceivers for EMI-Sensitive Applications
Industrial-Control Local Area Networꢀs
8 Plastic ꢂIP
8 SO
8 Plastic ꢂIP
8 SO
Ordering Information continued at end of data sheet.
Selector Guide appears at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-0410; Rev 4; 10/03
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±±15kV ESD-Potected,VElewDRateDLimited,
LowD-oweP,VRED481/RED422VTPansceivePs
ABꢃOLUTE MAXIMUM RATINGꢃ
Supply koltage ꢁk D.............................................................12k
14-Pin Plastic ꢂIP ꢁderate 10.00mW/°C above +70°CD..800mW
8-Pin SO ꢁderate 5.88mW/°C above +70°CD.................471mW
14-Pin SO ꢁderate 8.33mW/°C above +70°CD...............667mW
Operating Temperature Ranges
MAX4_ _C_ _/MAX1487EC_ A.............................0°C to +70°C
MAX4_ _E_ _/MAX1487EE_ A...........................-40°C to +85°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature ꢁsoldering, 10secD .............................+300°C
CC
–—–
Control Input koltage ꢁRE, ꢂED...................-0.5k to ꢁk
ꢂriver Input koltage ꢁꢂID.............................-0.5k to ꢁk
+ 0.5kD
+ 0.5kD
CC
CC
ꢂriver Output koltage ꢁY, Z; A, BD ..........................-8k to +12.5k
Receiver Input koltage ꢁA, BD.................................-8k to +12.5k
Receiver Output koltage ꢁROD....................-0.5k to ꢁk
+ 0.5kD
CC
Continuous Power ꢂissipation ꢁT = +70°CD
A
8-Pin Plastic ꢂIP ꢁderate 9.09mW/°C above +70°CD ....727mW
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
SC ELECTRICAL CHARACTERIꢃTICꢃ
ꢁk
= 5k 5ꢃ, T = T
to T , unless otherwise noted.D ꢁNotes 1, 2D
MAX
A
MIN
CC
ꢁARAMETER
ꢃYMBOL
CONSITIONꢃ
MIN
TYꢁ
MAX
UNITꢃ
ꢂifferential ꢂriver Output ꢁno loadD
k
Oꢂ1
5
k
R = 50Ω ꢁRS-422D
2
ꢂifferential ꢂriver Output
ꢁwith loadD
k
Oꢂ2
k
R = 27Ω ꢁRS-485D, Figure 8
1.5
5
Change in Magnitude of ꢂriver
ꢂifferential Output koltage for
Complementary Output States
Δk
R = 27Ω or 50Ω, Figure 8
R = 27Ω or 50Ω, Figure 8
R = 27Ω or 50Ω, Figure 8
0.2
k
k
k
Oꢂ
ꢂriver Common-Mode Output
koltage
k
3
OC
Change in Magnitude of ꢂriver
Common-Mode Output koltage
for Complementary Output States
Δk
0.2
Oꢂ
–—–
Input High koltage
Input Low koltage
Input Current
k
ꢂE, ꢂI, RE
2.0
k
k
IH
–—–
k
ꢂE, ꢂI, RE
0.8
2
IL
–—–
I
ꢂE, ꢂI, RE
µA
IN1
ꢂE = 0k;
k
k
= 12k
= -7k
1.0
IN
k
= 0k or 5.25k,
CC
mA
all devices except
MAX487E/MAX1487E
Input Current
ꢁA, BD
-0.8
IN
I
IN2
k
k
= 12k
= -7k
0.25
-0.2
IN
MAX487E/MAX1487E,
mA
k
ꢂE = 0k, k
= 0k or 5.25k
CC
IN
Receiver ꢂifferential Threshold
koltage
k
TH
-7k ≤ k
≤ 12k
-0.2
3.5
0.2
CM
Receiver Input Hysteresis
Δk
k
= 0k
CM
70
mk
k
TH
Receiver Output High koltage
Receiver Output Low koltage
k
I
I
= -4mA, k = 200mk
Iꢂ
OH
O
O
k
= 4mA, k = -200mk
0.4
1
k
OL
Iꢂ
Three-State ꢁhigh impedanceD
Output Current at Receiver
I
0.4k ≤ k ≤ 2.4k
µA
ꢀΩ
ꢀΩ
OZR
O
-7k ≤ k
≤ 12k, all devices except
CM
12
48
MAX487E/MAX1487E
Receiver Input Resistance
R
IN
-7k ≤ k ≤ 12k, MAX487E/MAX1487E
CM
2
Maxim Integrated
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±±15kV ESD-Potected,VElewDRateDLimited,
LowD-oweP,VRED481/RED422VTPansceivePs
SC ELECTRICAL CHARACTERIꢃTICꢃ (continueꢂ)
ꢁk
= 5k 5ꢃ, T = T
to T , unless otherwise noted.D ꢁNotes 1, 2D
MAX
A
MIN
CC
ꢁARAMETER
ꢃYMBOL
CONSITIONꢃ
MIN
TYꢁ
MAX
UNITꢃ
MAX488E/MAX489E,
120
250
–—–
ꢂE, ꢂI, RE = 0k or k
CC
MAX490E/MAX491E,
–—–
ꢂE, ꢂI, RE = 0k or k
300
500
CC
ꢂE = k
500
300
300
230
350
250
120
0.5
900
500
500
400
650
400
250
10
CC
MAX481E/MAX485E,
–—–
No-Load Supply Current
ꢁNote 3D
RE = 0k or k
CC
I
µA
ꢂE = 0k
ꢂE = k
CC
CC
MAX1487E,
–—–
RE = 0k or k
CC
ꢂE = 0k
MAX483E
MAX487E
ꢂE = k
MAX483E/MAX487E,
–—–
RE = 0k or k
CC
CC
ꢂE = 0k
–—–
Supply Current in Shutdown
ꢂriver Short-Circuit Current,
I
MAX481E/483E/487E, ꢂE = 0k, RE = k
µA
SHꢂN
CC
I
I
-7k ≤ k ≤12k ꢁNote 4D
35
250
mA
OSꢂ1
OSꢂ2
O
k
= High
O
ꢂriver Short-Circuit Current,
= Low
-7k ≤ k ≤12k ꢁNote 4D
35
7
250
95
mA
O
k
O
Receiver Short-Circuit Current
ESꢂ Protection
I
0k ≤ k ≤ k
CC
mA
ꢀk
OSR
O
A, B, Y and Z pins, tested using Human Body Model
15
ꢃWITCHING CHARACTERIꢃTICꢃ—MAX4±ꢅE1MAX4±5Ed MAX490E1MAX49ꢅEd MAXꢅ4±7E
ꢁk
= 5k 5ꢃ, T = T
to T , unless otherwise noted.D ꢁNotes 1, 2D
MAX
A
MIN
CC
ꢁARAMETER
ꢃYMBOL
CONSITIONꢃ
Figures 10 and 12, R = 54Ω,
MIN
10
10
TYꢁ
40
40
5
MAX
60
60
UNITꢃ
ns
t
t
PLH
PHL
ꢂIFF
ꢂriver Input to Output
C
= C = 100pF
L2
L1
ꢂriver Output Sꢀew to Output
ꢂriver Rise or Fall Time
t
Figures 10 and 12, R
= 54Ω, C = C = 100pF
10
ns
SKEW
ꢂIFF
L1
L2
Figures 10 and 12,
MAX481E, MAX485E, MAX1487E
MAX490EC/E, MAX491EC/E
= C = 100pF
L2
3
5
20
20
40
25
t , t
R = 54Ω,
L1
ns
R
F
ꢂIFF
C
ꢂriver Enable to Output High
ꢂriver Enable to Output Low
ꢂriver ꢂisable Time from Low
t
Figures 11 and 13, C = 100pF, S2 closed
45
45
45
45
70
70
70
70
ns
ns
ns
ns
ZH
L
t
Figures 11 and 13, C = 100pF, S1 closed
L
ZL
LZ
HZ
t
t
Figures 11 and 13, C = 15pF, S1 closed
L
ꢂriver ꢂisable Time from High
Figures 11 and 13, C = 15pF, S2 closed
L
Figures 10 and 14,
MAX481E, MAX485E, MAX1487E
MAX490EC/E, MAX491EC/E
= C = 100pF
L2
20
20
60
60
200
150
Receiver Input to Output
t
, t
R
C
= 54Ω,
ns
PLH PHL
ꢂIFF
L1
Figures 10 and 14, R
= 54Ω,
| t
- tPHL | ꢂifferential
ꢂIFF
PLH
t
5
ns
SKꢂ
C
L1
= C = 100pF
L2
Receiver Sꢀew
Receiver Enable to Output Low
Receiver Enable to Output High
Receiver ꢂisable Time from Low
Receiver ꢂisable Time from High
Maximum ꢂata Rate
t
Figures 9 and 15, C = 15pF, S1 closed
20
20
20
20
50
50
50
50
ns
ns
ns
ns
Mbps
ns
ZL
RL
t
Figures 9 and 15, C = 15pF, S2 closed
RL
ZH
t
LZ
Figures 9 and 15, C = 15pF, S1 closed
RL
t
Figures 9 and 15, C = 15pF, S2 closed
RL
HZ
f
2.5
50
MAX
Time to Shutdown
t
MAX481E ꢁNote 5D
200
600
SHꢂN
Maxim Integrated
3
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±±15kV ESD-Potected,VElewDRateDLimited,
LowD-oweP,VRED481/RED422VTPansceivePs
ꢃWITCHING CHARACTERIꢃTICꢃ—MAX4±ꢅE1MAX4±5Ed MAX490E1MAX49ꢅEd MAXꢅ4±7E
(continueꢂ)
ꢁk
= 5k 5ꢃ, T = T
to T , unless otherwise noted.D ꢁNotes 1, 2D
MAX
A
MIN
CC
ꢁARAMETER
ꢃYMBOL
CONSITIONꢃ
Figures 11 and 13, C = 100pF, S2 closed
MIN
TYꢁ
MAX
UNITꢃ
ꢂriver Enable from Shutdown to
Output High ꢁMAX481ED
t
t
t
t
45
100
ns
ZHꢁSHꢂND
ZLꢁSHꢂND
ZHꢁSHꢂND
ZLꢁSHꢂND
L
ꢂriver Enable from Shutdown to
Output Low ꢁMAX481ED
Figures 11 and 13, C = 100pF, S1 closed
45
100
1000
1000
ns
ns
ns
L
Receiver Enable from Shutdown
to Output High ꢁMAX481ED
Figures 9 and 15, C = 15pF, S2 closed,
L
A - B = 2k
225
225
Receiver Enable from Shutdown
to Output Low ꢁMAX481ED
Figures 9 and 15, C = 15pF, S1 closed,
L
B - A = 2k
ꢃWITCHING CHARACTERIꢃTICꢃ—MAX4±3Ed MAX4±7E1MAX4±±E1MAX4±9E
ꢁk
= 5k 5ꢃ, T = T
to T , unless otherwise noted.D ꢁNotes 1, 2D
MAX
A
MIN
CC
ꢁARAMETER
ꢂriver Input to Output
ꢃYMBOL
CONSITIONꢃ
MIN
250
250
TYꢁ
800
800
MAX
2000
2000
UNITꢃ
t
t
PLH
PHL
Figures 10 and 12, R
= 54Ω,
= 54Ω,
= 54Ω,
ꢂIFF
ꢂIFF
ꢂIFF
ns
C
= C = 100pF
L1
L2
Figures 10 and 12, R
= C = 100pF
ꢂriver Output Sꢀew to Output
ꢂriver Rise or Fall Time
t
20
800
ns
ns
SKEW
C
L1
L2
Figures 10 and 12, R
= C = 100pF
t , t
250
2000
R
F
C
L1
L2
ꢂriver Enable to Output High
ꢂriver Enable to Output Low
ꢂriver ꢂisable Time from Low
t
Figures 11 and 13, C = 100pF, S2 closed
250
250
300
300
250
250
2000
2000
3000
3000
2000
2000
ns
ns
ns
ns
ZH
L
t
Figures 11 and 13, C = 100pF, S1 closed
L
ZL
LZ
HZ
t
Figures 11 and 13, C = 15pF, S1 closed
L
ꢂriver ꢂisable Time from High
t
Figures 11 and 13, C = 15pF, S2 closed
L
t
t
PLH
PHL
Figures 10 and 14, R
= 54Ω,
ꢂIFF
Receiver Input to Output
ns
ns
C
L1
= C = 100pF
L2
Figures 10 and 14, R
= C = 100pF
= 54Ω,
I t
- tPHL I ꢂifferential
ꢂIFF
PLH
t
100
SKꢂ
C
L1
L2
Receiver Sꢀew
Receiver Enable to Output Low
Receiver Enable to Output High
Receiver ꢂisable Time from Low
Receiver ꢂisable Time from High
Maximum ꢂata Rate
t
Figures 9 and 15, C = 15pF, S1 closed
25
25
25
25
50
50
50
50
ns
ns
ZL
RL
t
Figures 9 and 15, C = 15pF, S2 closed
RL
ZH
t
LZ
Figures 9 and 15, C = 15pF, S1 closed
ns
RL
t
Figures 9 and 15, C = 15pF, S2 closed
ns
HZ
RL
f
t
, t < 50ꢃ of data period
PLH PHL
250
50
ꢀbps
ns
MAX
Time to Shutdown
t
MAX483E/MAX487E ꢁNote 5D
200
600
SHꢂN
ꢂriver Enable from Shutdown to
Output High
MAX483E/MAX487E, Figures 11 and 13,
C = 100pF, S2 closed
L
t
t
2000
ns
ns
ns
ns
ZHꢁSHꢂND
ꢂriver Enable from Shutdown to
Output Low
MAX483E/MAX487E, Figures 11 and 13,
C = 100pF, S1 closed
L
t
2000
2500
2500
ZLꢁSHꢂND
Receiver Enable from Shutdown
to Output High
MAX483E/MAX487E, Figures 9 and 15,
C = 15pF, S2 closed
L
ZHꢁSHꢂND
Receiver Enable from Shutdown
to Output Low
MAX483E/MAX487E, Figures 9 and 15,
C = 15pF, S1 closed
L
t
ZLꢁSHꢂND
4
Maxim Integrated
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±±15kV ESD-Potected,VElewDRateDLimited,
LowD-oweP,VRED481/RED422VTPansceivePs
NOTEꢃ FOR ELECTRICAL1ꢃWITCHING CHARACTERIꢃTICꢃ
Note ꢅ: All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to device
ground unless otherwise specified.
Note 2: All typical specifications are given for k
= 5k and T = +25°C.
A
CC
Note 3: Supply current specification is valid for loaded transmitters when ꢂE = 0k.
Note 4: Applies to peaꢀ current. See Typical Operating Characteristics.
Note 5: The MAX481E/MAX483E/MAX487E are put into shutdown by bringing RE high and ꢂE low. If the inputs are in this state for
–—–
less than 50ns, the parts are guaranteed not to enter shutdown. If the inputs are in this state for at least 600ns, the parts are
guaranteed to have entered shutdown. See Low-Power Shutdown Mode section.
__________________________________________TypicalVOpePatingVChaPactePistics
ꢁk
= 5k, T = +25°C, unless otherwise noted.D
A
CC
OUTPUT CURRENT vs.
RECEIVER OUTPUT LOW VOLTAGE
OUTPUT CURRENT vs.
RECEIVER OUTPUT HIGH VOLTAGE
RECEIVER OUTPUT HIGH VOLTAGE
vs. TEMPERATURE
50
-25
-20
-15
-10
4.8
4.6
4.4
4.2
4.0
3.8
3.6
45
40
35
I
RO
= 8mA
30
25
20
15
3.4
3.2
3.0
10
5
-5
0
0
0
0.5
1.0
1.5
2.0
2.5
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT HIGH VOLTAGE (V)
-60 -40 -20
0
20 40 60 80 100
OUTPUT LOW VOLTAGE (V)
TEMPERATURE (°C)
RECEIVER OUTPUT LOW VOLTAGE
vs. TEMPERATURE
DRIVER OUTPUT CURRENT vs.
DIFFERENTIAL OUTPUT VOLTAGE
90
80
70
60
0.9
0.8
0.7
0.6
0.5
0.4
0.3
I
RO
= 8mA
50
40
30
0.2
0.1
0
20
10
0
-60 -40 -20
0
20 40 60 80 100
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
DIFFERENTIAL OUTPUT VOLTAGE (V)
TEMPERATURE (°C)
Maxim Integrated
5
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±±15kV ESD-Potected,VElewDRateDLimited,
LowD-oweP,VRED481/RED422VTPansceivePs
____________________________TypicalVOpePatingVChaPactePisticsV(continued)
ꢁk
= 5k, T = +25°C, unless otherwise noted.D
A
CC
OUTPUT CURRENT vs.
DRIVER OUTPUT LOW VOLTAGE
OUTPUT CURRENT vs.
DRIVER OUTPUT HIGH VOLTAGE
DRIVER DIFFERENTIAL OUTPUT
VOLTAGE vs. TEMPERATURE
140
120
-100
-90
-80
-70
2.3
2.2
R = 54Ω
2.1
2.0
1.9
100
-60
-50
80
60
-40
-30
1.8
1.7
40
20
0
-20
-10
0
1.6
1.5
0
2
4
6
8
10
12
-8
-6
-4
-2
0
2
4
6
-60 -40 -20
0
20 40 60 80 100
OUTPUT LOW VOLTAGE (V)
OUTPUT HIGH VOLTAGE (V)
TEMPERATURE (°C)
MAX481E/MAX485E/MAX490E/MAX491E
SUPPLY CURRENT vs. TEMPERATURE
MAX1487E
SUPPLY CURRENT vs. TEMPERATURE
MAX483E/MAX487E–MAX489E
SUPPLY CURRENT vs. TEMPERATURE
600
500
400
300
200
600
500
400
300
200
600
500
400
300
200
MAX481E/MAX485E; DE = V , RE = X
CC
MAX483E; DE = V , RE = X
CC
MAX1487E; DE = V , RE = X
CC
MAX487E; DE = V , RE = X
CC
MAX485E; DE = 0, RE = X,
MAX481E; DE = RE = 0
MAX490E/MAX491E; DE = RE = X
MAX483E/MAX487E; DE = RE = 0,
MAX488E/MAX489E; DE = RE = X
MAX1487E; DE = 0V, RE = X
100
0
100
0
100
0
MAX483E/MAX487E; DE = 0, RE = V
MAX481E; DE = 0, RE = V
CC
CC
-60 -40 -20
0
20 40 60 80 100
-60 -40 -20
0
20 40 60 80 100
-60 -40 -20
0
20 40 60 80 100
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
6
Maxim Integrated
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±±15kV ESD-Potected,VElewDRateDLimited,
LowD-oweP,VRED481/RED422VTPansceivePs
______________________________________________________________-inVSescPiption
ꢁIN
MAX4±ꢅE1MAX4±3E
MAX4±5E1MAX4±7E
MAXꢅ4±7E
NAME
FUNCTION
MAX4±±E
MAX490E
MAX4±9E
MAX49ꢅE
Receiver Output: If A > B by 200mk, RO will be high;
If A < B by 200mk, RO will be low.
1
2
2
2
3
RO
–—–
Receiver Output Enable. RO is enabled when RE is
–—–
–—–
RE
—
low; RO is high impedance when RE is high.
ꢂriver Output Enable. The driver outputs, Y and Z, are
enabled by bringing ꢂE high. They are high imped-
ance when ꢂE is low. If the driver outputs are enabled,
3
4
—
4
ꢂE
ꢂI
the parts function as line drivers. While they are high
–—–
impedance, they function as line receivers if RE is low.
ꢂriver Input. A low on ꢂI forces output Y low and out-
put Z high. Similarly, a high on ꢂI forces output Y high
and output Z low.
3
5
5
4
5
6
6, 7
9
GNꢂ
Ground
—
—
Y
Z
Noninverting ꢂriver Output
Inverting ꢂriver Output
10
Noninverting Receiver Input and Noninverting ꢂriver
Output
6
—
—
A
—
7
8
—
7
12
—
A
B
B
Noninverting Receiver Input
Inverting Receiver Input and Inverting ꢂriver Output
Inverting Receiver Input
—
8
11
1
14
k
CC
Positive Supply: 4.75k ≤ k
≤ 5.25k
CC
—
—
1, 8, 13
N.C.
No Connect—not internally connected
Maxim Integrated
7
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±±15kV ESD-Potected,VElewDRateDLimited,
LowD-oweP,VRED481/RED422VTPansceivePs
MAX481E
0.1μF
MAX483E
TOP VIEW
DE
MAX485E
MAX487E
MAX1487E
DI
R
R
1
2
3
4
RO
RE
DE
DI
1
2
3
4
RO
RE
DE
DI
8
7
8
7
6
5
V
V
D
CC
Rt
CC
B
B
A
B
Rt
6
A
A
RO
R
D
D
5
GND
GND
RE
SIꢁ1ꢃO
NOTE: PIN LABELS Y AND Z ON TIMING, TEST, AND WAVEFORM DIAGRAMS REFER TO PINS A AND B WHEN DE IS HIGH.
TYPICAL OPERATING CIRCUIT SHOWN WITH DIP/SO PACKAGE.
Figure 1. MAX481E/MAX483E/MAX485E/MAX487E/MAX1487E Pin Configuration and Typical Operating Circuit
0.1μF
V
CC
V
1
MAX488E
MAX490E
CC
Y
Z
5
6
TOP VIEW
3
2
Rt
DI
RO
DI
D
R
1
2
3
4
R
8
7
6
5
A
B
Z
Y
V
CC
RO
DI
8
7
A
B
Rt
RO
R
D
GND
D
SIꢁ1ꢃO
4
GND
GND
NOTE: TYPICAL OPERATING CIRCUIT SHOWN WITH DIP/SO PACKAGE.
Figure 2. MAX488E/MAX490E Pin Configuration and Typical Operating Circuit
V
CC
DE
V
CC
RE
TOP VIEW
0.1μF
4
14
MAX489E
MAX491E
N.C.
RO
1
2
3
4
5
6
7
14
V
CC
9
Y
R
13 N.C.
5
Rt
DI
RO
D
R
10
RE
12
11
10
9
A
Z
DE
B
12
11
A
2
Rt
DI
Z
RO
NC
R
D
DI
D
GND
GND
Y
B
1, 8, 13
8
N.C.
3
6, 7
GND
SIꢁ1ꢃO
RE
GND DE
Figure 3. MAX489E/MAX491E Pin Configuration and Typical Operating Circuit
8
Maxim Integrated
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±±15kV ESD-Potected,VElewDRateDLimited,
LowD-oweP,VRED481/RED422VTPansceivePs
__________FunctionVTablesV(MAX4±ꢅE1MAX4±3E1MAX4±5E1MAX4±7E1MAXꢅ4±7E)
Table ꢅ. Transmitting
Table 2. Receiving
INꢁUTꢃ
OUTꢁUTꢃ
INꢁUTꢃ
OUTꢁUT
RE
DE
A-B
RO
RE
DE
DI
Z
Y
0
0
> +0.2k
1
X
1
1
0
1
0
0
0
0
0
< -0.2k
Inputs open
X
0
1
X
0
1
0
0
0
X
X
1
0
High-Z
High-Z
1
High-Z
1
High-Z
High-Z
*
*
*
X = ꢂon't care
X = ꢂon't care
High-Z = High impedance
Shutdown mode for MAX481E/MAX483E/MAX487E
High-Z = High impedance
Shutdown mode for MAX481E/MAX483E/MAX487E
*
*
neers developed state-of-the-art structures to protect
these pins against ESꢂ of 15ꢀk without damage. The
ESꢂ structures withstand high ESꢂ in all states: normal
operation, shutdown, and powered down. After an ESꢂ
event, Maxim’s MAX481E, MAX483E, MAX485E,
MAX487E–MAX491E, and MAX1487E ꢀeep worꢀing
without latchup.
__________ApplicationsVInfoPmation
The MAX481E/MAX483E/MAX485E/MAX487E–MAX491E
and MAX1487E are low-power transceivers for RS-485
and RS-422 communications. These “E” versions of the
MAX481, MAX483, MAX485, MAX487–MAX491, and
MAX1487 provide extra protection against ESꢂ. The
rugged MAX481E, MAX483E, MAX485E, MAX497E–
MAX491E, and MAX1487E are intended for harsh envi-
ronments where high-speed communication is important.
These devices eliminate the need for transient suppres-
sor diodes and the associated high capacitance loading.
The standard ꢁnon-“E”D MAX481, MAX483, MAX485,
MAX487–MAX491, and MAX1487 are recommended for
applications where cost is critical.
ESꢂ protection can be tested in various ways; the
transmitter outputs and receiver inputs of this product
family are characterized for protection to 15ꢀk using
the Human Body Model.
Other ESꢂ test methodologies include IEC10004-2 con-
tact discharge and IEC1000-4-2 air-gap discharge ꢁfor-
merly IEC801-2D.
The MAX481E, MAX485E, MAX490E, MAX491E, and
MAX1487E can transmit and receive at data rates up to
2.5Mbps, while the MAX483E, MAX487E, MAX488E,
and MAX489E are specified for data rates up to
250ꢀbps. The MAX488E–MAX491E are full-duplex
transceivers, while the MAX481E, MAX483E, MAX487E,
and MAX1487E are half-duplex. In addition, driver-
enable ꢁꢂED and receiver-enable ꢁRED pins are included
on the MAX481E, MAX483E, MAX485E, MAX487E,
MAX489E, MAX491E, and MAX1487E. When disabled,
the driver and receiver outputs are high impedance.
EꢃS Test Conꢂitions
ESꢂ performance depends on a variety of conditions.
Contact Maxim for a reliability report that documents
test set-up, test methodology, and test results.
Human Boꢂy Moꢂel
Figure 4 shows the Human Body Model, and Figure 5
shows the current waveform it generates when dis-
charged into a low impedance. This model consists of
a 100pF capacitor charged to the ESꢂ voltage of inter-
est, which is then discharged into the test device
through a 1.5ꢀΩ resistor.
IECꢅ000-4-2
The IEC1000-4-2 standard covers ESꢂ testing and per-
formance of finished equipment; it does not specifically
refer to integrated circuits ꢁFigure 6D.
±±15kV ESV-Potection
As with all Maxim devices, ESꢂ-protection structures
are incorporated on all pins to protect against electro-
static discharges encountered during handling and
assembly. The driver outputs and receiver inputs have
extra protection against static electricity. Maxim’s engi-
Maxim Integrated
9
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±±15kV ESD-Potected,VElewDRateDLimited,
LowD-oweP,VRED481/RED422VTPansceivePs
R
1M
R 1500Ω
D
C
I 100%
P
90%
PEAK-TO-PEAK RINGING
(NOT DRAWN TO SCALE)
I
r
DISCHARGE
RESISTANCE
CHARGE CURRENT
LIMIT RESISTOR
AMPERES
HIGH
VOLTAGE
DC
DEVICE
UNDER
TEST
C
STORAGE
CAPACITOR
s
36.8%
100pF
SOURCE
10%
0
TIME
0
t
RL
t
DL
CURRENT WAVEFORM
Figure 4. Human Body ESꢂ Test Model
Figure 5. Human Body Model Current Waveform
I
100%
90%
R
50M to 100M
R 330Ω
D
C
DISCHARGE
RESISTANCE
CHARGE CURRENT
LIMIT RESISTOR
HIGH-
VOLTAGE
DC
DEVICE
UNDER
TEST
C
STORAGE
CAPACITOR
s
150pF
SOURCE
10%
t
t = 0.7ns to 1ns
r
30ns
60ns
Figure 6. IEC1000-4-2 ESꢂ Test Model
Figure 7. IEC1000-4-2 ESꢂ Generator Current Waveform
Y
1k
TEST POINT
R
RECEIVER
OUTPUT
V
CC
S1
S2
V
C
RL
OD
1k
15pF
R
V
OC
Z
Figure 8. ꢂriver ꢂC Test Load
Figure 9. Receiver Timing Test Load
10
Maxim Integrated
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±±15kV ESD-Potected,VElewDRateDLimited,
LowD-oweP,VRED481/RED422VTPansceivePs
3V
DE
C
L1
A
B
V
CC
Y
Z
S1
S2
500Ω
R
RO
DIFF
DI
OUTPUT
UNDER TEST
V
ID
RE
C
L
C
L2
Figure 10. ꢂriver/Receiver Timing Test Circuit
Figure 11. ꢂriver Timing Test Load
3V
3V
DE
DI
1.5V
1.5V
1.5V
1.5V
0V
0V
t
t
PHL
PLH
1/2 V
O
t
LZ
t
, t
ZL(SHDN) ZL
Z
Y, Z
V
2.3V
V
V
+0.5V
O
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
OL
V
OL
Y
1/2 V
O
V
= V (Y) - V (Z)
DIFF
Y, Z
0V
V
O
-0.5V
2.3V
V
DIFF
OH
90%
90%
0V
-V
10%
10%
O
t
, t
t
HZ
ZH(SHDN) ZH
t
R
t
F
t | t - t
SKEW = PLH PHL
|
Figure 12. ꢂriver Propagation ꢂelays
Figure 13. ꢂriver Enable and ꢂisable Times ꢁexcept MAX488E
and MAX490ED
3V
RE
1.5V
1.5V
0V
V
OH
t
LZ
t
, t
RO
ZL(SHDN) ZL
1.5V
1.5V
V
OUTPUT
OL
V
CC
RO
1.5V
V
V
+ 0.5V
- 0.5V
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
OL
t
t
PLH
PHL
V
ID
ID
A-B
0V
0V
-V
INPUT
RO
1.5V
OH
0V
t
, t
t
HZ
ZH(SHDN) ZH
Figure 14. Receiver Propagation ꢂelays
Figure 15. Receiver Enable and ꢂisable Times ꢁexcept MAX488E
and MAX490ED
Maxim Integrated
11
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±±15kV ESD-Potected,VElewDRateDLimited,
LowD-oweP,VRED481/RED422VTPansceivePs
10dB/div
10dB/div
0Hz
5MHz
0Hz
5MHz
500kHz/div
500kHz/div
Figure 16. ꢂriver Output Waveform and FFT Plot of
MAX485E/MAX490E/MAX491E/MAX1487E Transmitting a
150ꢀHz Signal
Figure 17. ꢂriver Output Waveform and FFT Plot of
MAX483E/MAX487E–MAX489E Transmitting a 150ꢀHz Signal
The major difference between tests done using the
Human Body Model and IEC1000-4-2 is higher peaꢀ
current in IEC1000-4-2, because series resistance is
lower in the IEC1000-4-2 model. Hence, the ESꢂ with-
stand voltage measured to IEC1000-4-2 is generally
lower than that measured using the Human Body
Model. Figure 7 shows the current waveform for the 8ꢀk
IEC1000-4-2 ESꢂ contact-discharge test.
MAX483 /MAX487 /MAX488 /MAX489 :
ReducedV MIVandVReflections
The MAX483E and MAX487E–MAX489E are slew-rate
limited, minimizing EMI and reducing reflections
caused by improperly terminated cables. Figure 16
shows the driver output waveform and its Fourier analy-
sis of a 150ꢀHz signal transmitted by a MAX481E,
MAX485E, MAX490E, MAX491E, or MAX1487E. High-
frequency harmonics with large amplitudes are evident.
Figure 17 shows the same information displayed for a
MAX483E, MAX487E, MAX488E, or MAX489E transmit-
ting under the same conditions. Figure 17’s high-fre-
quency harmonics have much lower amplitudes, and
the potential for EMI is significantly reduced.
The air-gap test involves approaching the device with a
charged probe. The contact-discharge method connects
the probe to the device before the probe is energized.
Machine Moꢂel
The Machine Model for ESꢂ tests all pins using a
200pF storage capacitor and zero discharge resis-
tance. Its objective is to emulate the stress caused by
contact that occurs with handling and assembly during
manufacturing. Of course, all pins require this protec-
tion during manufacturing—not just inputs and outputs.
Therefore, after PC board assembly, the Machine Model
is less relevant to I/O ports.
LowD-owePVEhutdownVMode
(MAX48± /MAX483 /MAX487 )
A low-power shutdown mode is initiated by bringing
both RE high and ꢂE low. The devices will not shut
down unless both the driver and receiver are disabled.
In shutdown, the devices typically draw only 0.5µA of
supply current.
MAX487 /MAX±487 :
±28VTPansceivePsVonVtheVBus
RE and ꢂE may be driven simultaneously; the parts are
guaranteed not to enter shutdown if RE is high and ꢂE
is low for less than 50ns. If the inputs are in this state
for at least 600ns, the parts are guaranteed to enter
shutdown.
The 48ꢀΩ, 1/4-unit-load receiver input impedance of the
MAX487E and MAX1487E allows up to 128 transceivers
on a bus, compared to the 1-unit load ꢁ12ꢀΩ input
impedanceD of standard RS-485 drivers ꢁ32 transceivers
maximumD. Any combination of MAX487E/MAX1487E
and other RS-485 transceivers with a total of 32 unit
loads or less can be put on the bus. The MAX481E,
MAX483E, MAX485E, and MAX488E–MAX491E have
standard 12ꢀΩ receiver input impedance.
For the MAX481E, MAX483E, and MAX487E, the t
ZH
and t enable times assume the part was not in the
ZL
low-power shutdown state ꢁthe MAX485E, MAX488E–
MAX491E, and MAX1487E can not be shut downD. The
t
and t
enable times assume the
ZLꢁSHꢂND
ZHꢁSHꢂND
parts were shut down ꢁsee Electrical CharacteristicsD.
12
Maxim Integrated
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±±15kV ESD-Potected,VElewDRateDLimited,
LowD-oweP,VRED481/RED422VTPansceivePs
delay times. Typical propagation delays are shown in
Figures 19–22 using Figure 18’s test circuit.
The difference in receiver delay times, t
- t
, is
PHL
PLH
typically under 13ns for the MAX481E, MAX485E,
MAX490E, MAX491E, and MAX1487E, and is typically
less than 100ns for the MAX483E and MAX487E–
MAX489E.
100pF
Z
B
A
TTL IN
t , t < 6ns
RECEIVER
OUT
D
R
R
F
R = 54Ω
Y
The driver sꢀew times are typically 5ns ꢁ10ns maxD for
the MAX481E, MAX485E, MAX490E, MAX491E, and
MAX1487E, and are typically 100ns ꢁ800ns maxD for the
MAX483E and MAX487E–MAX489E.
100pF
TypicalVApplications
The MAX481E, MAX483E, MAX485E, MAX487E–
MAX491E, and MAX1487E transceivers are designed for
bidirectional data communications on multipoint bus
transmission lines. Figures 25 and 26 show typical net-
worꢀ application circuits. These parts can also be used as
line repeaters, with cable lengths longer than 4000 feet.
Figure 18. Receiver Propagation ꢂelay Test Circuit
It taꢀes the drivers and receivers longer to become
enabled from the low-power shutdown state ꢁt D,
ZHꢁSHꢂN
To minimize reflections, the line should be terminated at
both ends in its characteristic impedance, and stub
lengths off the main line should be ꢀept as short as possi-
ble. The slew-rate-limited MAX483E and MAX487E–
MAX489E are more tolerant of imperfect termination.
t
D than from the operating mode ꢁt , t D. ꢁThe
ZLꢁSHꢂND
ZH ZL
parts are in operating mode if the RE, ꢂE inputs equal a
logical 0,1 or 1,1 or 0, 0.D
SPivePVOutputV-PotectionV
Excessive output current and power dissipation caused
by faults or by bus contention are prevented by two
mechanisms. A foldbacꢀ current limit on the output stage
provides immediate protection against short circuits over
the whole common-mode voltage range ꢁsee Typical
Operating CharacteristicsD. In addition, a thermal shut-
down circuit forces the driver outputs into a high-imped-
ance state if the die temperature rises excessively.
Bypass the k pin with 0.1µF.
CC
IsolatedVRED481
For isolated RS-485 applications, see the MAX253 and
MAX1480 data sheets.
LineVLengthVvs.VSataVRate
The RS-485/RS-422 standard covers line lengths up to
4000 feet. Figures 23 and 24 show the system differen-
tial voltage for the parts driving 4000 feet of 26AWG
twisted-pair wire at 110ꢀHz into 100Ω loads.
-PopagationVSelay
Many digital encoding schemes depend on the differ-
ence between the driver and receiver propagation
Maxim Integrated
13
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±±15kV ESD-Potected,VElewDRateDLimited,
LowD-oweP,VRED481/RED422VTPansceivePs
A
B
500mV/div
500mV/div
A
B
RO
5V/div
RO
5V/div
25ns/div
25ns/div
Figure 20. MAX481E/MAX485E/MAX490E/MAX491E/
Figure 19. MAX481E/MAX485E/MAX490E/MAX1487E Receiver
MAX1487E Receiver t
PLH
t
PHL
B
A
500mV/div
B
500mV/div
A
RO
5V/div
RO
5V/div
200ns/div
200ns/div
Figure 21. MAX483E/MAX487E–MAX489E Receiver t
Figure 22. MAX483E/MAX487E–MAX489E Receiver t
PHL
PLH
DI
5V
DI
5V
0V
0V
1V
0
0
V - V
V - V
A
B
A
B
-1V
-1V
DO
5V
0V
5V
0V
DO
2μs/div
2μs/div
Figure 23. MAX481E/MAX485E/MAX490E/MAX491E/
MAX1487E System ꢂifferential koltage at 110ꢀHz ꢂriving
4000ft of Cable
Figure 24. MAX483E/MAX1487E–MAX489E System ꢂifferential
koltage at 110ꢀHz ꢂriving 4000ft of Cable
14
Maxim Integrated
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±±15kV ESD-Potected,VElewDRateDLimited,
LowD-oweP,VRED481/RED422VTPansceivePs
120Ω
120Ω
DE
DI
B
A
B
A
DI
D
D
DE
B
A
B
A
RO
RE
RO
RE
R
R
R
R
D
D
MAX481E
MAX483E
MAX485E
MAX487E
MAX1487E
DE
DI
RO
RE
DI
RO RE
DE
Figure 25. MAX481E/MAX483E/MAX485E/MAX487E/MAX1487E Typical Half-ꢂuplex RS-485 Networꢀ
A
Y
120Ω
120Ω
120Ω
120Ω
RO
RE
R
D
DI
B
Z
Z
DE
DE
B
RE
RO
DI
R
D
Y
A
Y
Z
B
A
Y
Z
B
A
R
R
D
D
MAX488E
MAX489E
MAX490E
MAX491E
DI
DE RE RO
DI
DE RE RO
NOTE: RE AND DE ON MAX489E/MAX491E ONLY.
Figure 26. MAX488E–MAX491E Full-ꢂuplex RS-485 Networꢀ
Maxim Integrated
15
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
±±15k ꢀED-ꢁrotected, Elew-Rate-Limited,
Low-ꢁower, RE-481/RE-422 Transceivers
Ordering Information (continued)
PART
TEMP RANGE
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
PIN-PACKAGE
8 Plastic ꢂIP
8 SO
PART
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
14 Plastic ꢂIP
14 SO
MAX485ECPA
MAX485ECSA
MAX485EEPA
MAX485EESA
MAX487ECPA
MAX487ECSA
MAX487EEPA
MAX487EESA
MAX488ECPA
MAX488ECSA
MAX488EEPA
MAX488EESA
MAX489ECPꢂ
MAX489ECSꢂ
MAX489EEPꢂ
MAX489EESꢂ
MAX490ECPA
MAX490ECSA
MAX490EEPA
MAX490EESA
MAX491ECPꢂ
MAX491ECSꢂ
MAX491EEPꢂ
MAX491EESꢂ
MAX1487ECPA
MAX1487ECSA
MAX1487EEPA
MAX1487EESA
8 Plastic ꢂIP
8 SO
8 Plastic ꢂIP
8 SO
8 Plastic ꢂIP
8 SO
8 Plastic ꢂIP
8 SO
8 Plastic ꢂIP
8 SO
14 Plastic ꢂIP
14 SO
8 Plastic ꢂIP
8 SO
14 Plastic ꢂIP
14 SO
8 Plastic ꢂIP
8 SO
8 Plastic ꢂIP
8 SO
14 Plastic ꢂIP
14 SO
8 Plastic ꢂIP
8 SO
Eelector Guide
DATA
RATE
(Mbps)
SLEW-
RATE
LIMITED
RECEIVER/ QUIESCENT
NUMBER OF
HALF/FULL
DUPLEX
LOW-POWER
SHUTDOWN
PIN
COUNT
DRIVER
ENABLE
CURRENT TRANSMITTERS
PART NUMBER
(μA)
ON BUS
MAX481E
MAX483E
MAX485E
MAX487E
MAX488E
MAX489E
MAX490E
MAX491E
MAX1487E
Half
Half
Half
Half
Full
Full
Full
Full
Half
2.5
0.25
2.5
No
Yes
No
Yes
Yes
No
Yes
Yes
Yes
Yes
No
300
120
300
120
120
120
300
300
230
32
32
8
8
32
8
0.25
0.25
0.25
2.5
Yes
Yes
Yes
No
Yes
No
128
32
8
8
No
Yes
No
32
14
8
No
32
2.5
No
No
Yes
Yes
32
14
8
2.5
No
No
128
ꢁac5age Information
Chip Information
For the latest pacꢀage outline information, go to
TRANSISTOR COUNT: 295
www.maxim-ic.com/packages.
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied.
Maxim reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical
Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.
16
Maxim Integrated 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000
©
The Maxim logo and Maxim Integrated are trademarks of Maxim Integrated Products, Inc.
2003 Maxim Integrated
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