PI74FCT16244T_07 [PERICOM]
Fast CMOS 16-Bit Buffer/Line Drivers; 快速CMOS 16位缓冲器/线路驱动器
| 型号： | PI74FCT16244T_07 |
| 厂家： | 
PERICOM SEMICONDUCTOR CORPORATION |
| 描述： | Fast CMOS 16-Bit Buffer/Line Drivers |
| 文件： | 总9页 (文件大小：498K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PI74FCT16244T
PI74FCT162244T
Fast CMOS 16-Bit Buffer/Line Drivers
Description
Features
PericomSemiconductor’sPI74FCT16244TandPI74FCT162244T
are non-inverting 16-bit buffer/line drivers designed for
applications driving high capacitance loads and low impedance
backplanes. These high-speed, low power devices offer bus/
backplane interface capability and a flow-through organization
for ease of board layout. These devices are designed with three-
state controls to operate in a Quad-Nibble, Dual-Byte, or a single
16-bitwordmode.
CommonFeatures
• High-speed, low-power devices with high-current drive
V
CC
=5V±10%
• Hysteresis on all inputs
• Device models available upon request
PI74FCT16244TFeatures
• High output drive: I = –32mA; I = 64mA
OH
OL
The PI74FCT16244T output buffers are designed with a Power-
Off disable allowing “live insertion” of boards when used as
backplane drivers.
• Power off disable outputs permit "live insertion"
• Typical V (Output Ground Bounce)
OLP
< 1.0V at V = 5V, T = 25°C
CC
A
The PI74FCT162244T has ±24mA balanced output drivers. It is
designed with current limiting resistors at its outputs to control
the output edge rate resulting in lower ground bounce and
undershoot. This eliminates the need for external terminating
resistors for most interface applications.
PI74FCT162244T Features
• Balanced output drivers: ±24mA
• Reduced system switching noise
• Typical VOLP (Output Ground Bounce)
<0.6VatV =5V,T =25°C
CC
A
• Packaging(Pb-free&Greenavailable):
– 48-pin240-milwideplasticTSSOP(A)
– 48-pin300-milwideplasticSSOP(V)
– 48-pin173-milwideplasticTVSOP(K)
BlockDiagram
07-0059
PS2031L
02/26/07
1
PI74FCT16244T/162244T
16-BitBuffer/LineDrivers
Product Pin Description
Truth Table
Pin Name
xOE
Description
Inputs(1)
Outputs(1)
3-State Output Enable Inputs (Active LOW)
XOE
L
xAx
L
xYx
L
xAx
Inputs(1)
xYx
3-State Outputs
Ground
L
H
H
GND
VCC
H
X
Z
Power
Note:
1. H = High Voltage Level, X = Don’t Care,
L = Low Voltage Level, Z = High Impedance
PinConfiguration
1
OE
2
1
1
OE
1
2
3
4
5
6
7
8
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1
Y
Y
0
1
A
A
0
1
1
GND
1
1
GND
Y
Y
2
3
1
A
2
3
1A
V
2
CC
VCC
Y
Y
0
1
2A
0
2
2A
1
9
GND
GND
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
2
2
3
3
Y2
Y3
Y0
Y1
2A
2A
3A
3A
2
3
0
1
GND
3
3
GND
Y
Y
2
3
3
A
2
3
3A
V
4
CC
VCC
Y
Y
0
1
4A
0
4
4A
1
GND
GND
4
4
Y
Y
2
3
4
4
3
A
A
OE
2
3
4
OE
PS2031L
02/26/07
07-0059
2
PI74FCT16244T/162244T
16-BitBuffer/LineDrivers
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature ........................................................ –65°C to +150°C
Ambient Temperature with Power Applied......................... –40°C to +85°C
Supply Voltage to Ground Potential (Inputs & Vcc Only) ...–0.5V to +7.0V
Supply Voltage to Ground Potential (Outputs & D/O Only) –0.5V to +7.0V
DC Input Voltage ................................................................–0.5V to +7.0V
DC Output Current .......................................................................... 120mA
Power Dissipation............................................................................... 1.0W
Note:
Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the
device. This is a stress rating only and functional
operation of the device at these or any other conditions
above those indicated in the operational sections of this
specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may
affect reliability.
DCElectricalCharacteristics(OvertheOperatingRange,TA =–40°Cto+85°C,VCC =5.0V±10%)
Parameters Description
TestConditions(1)
Min. Typ.(2) Max.
Units
VIH
VIL
IIH
IIH
IIL
InputHIGHVoltage
GuaranteedLogicHIGHLevel
GuaranteedLogicLOWLevel
Standard Input, VCC = Max.
StandardI/O,VCC =Max.
Standard Input , VCC = Min.
Standard I/O, VCC = Min.
VCC =Max.
2.0
0.8
1
V
V
Input LOW Voltage
InputHIGHCurrent
InputHIGHCurrent
Input LOW Current
Input LOW Current
HighImpedance
VIN =VCC
VIN =VCC
VIN =GND
VIN =GND
VOUT =2.7V
VOUT =0.5V
μA
μA
μA
μA
μA
μA
V
mA
mA
mV
1
–1
–1
1
IIL
IOZH
IOZL
VIK
IOS
IO
Output Current
VCC =Max.
–1
ClampDiodeVoltage
ShortCircuitCurrent
Output Drive Current
Input Hysteresis
VCC =Min.,IIN = –18mA
VCC =Max.(3),VOUT = GND
VCC =Max.(3),VOUT =2.5V
–0.7
–140
–1.2
–320
–180
–80
–50
VH
100
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at Vcc = 5.0V, +25°C ambient and maximum loading.
3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.
PS2031L
02/26/07
07-0059
3
PI74FCT16244T/162244T
16-BitBuffer/LineDrivers
PI74FCT16244T Output Drive Characteristics (Over the Operating Range)
Parameters Description
TestConditions(1)
Min. Typ.(2) Max.
Units
VOH
OutputHIGHVoltage
VCC =Min.,VIN =VIH orVIL
IOH =–3.0mA
IOH =–15.0mA
IOH = –32.0mA
IOL = 64mA
2.5
2.4
2.0
3.5
3.5
3.0
0.2
V
VOL
IOFF
Output LOW Voltage
PowerDownDisable
VCC = Min., VIN = VIH or VIL
VCC =0V,VIN orVOUT-4.5V
0.55
±100
V
μA
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. TypicalvaluesareatVcc=5.0V,+25°Cambientandmaximumloading.
PI74FCT162244TOutputDriveCharacteristics(OvertheOperatingRange)
Parameters Description
TestConditions(1)
Min. Typ.(2) Max.
Units
VOH
VOL
IODL
IODH
OutputHIGHVoltage
VCC =Min.,VIN =VIH orVIL
VCC =Min.,VIN =VIH orVIL
IOH =–24.0mA
IOL =24mA
2.4
3.3
0.3
115
–115
V
V
mA
mA
Output LOW Voltage
Output LOW Current
OutputHIGHCurrent
0.55
150
–160
VCC =5V,VIN =VIH OR VIL,VOUT =1.5V(3)
VCC =5V,VIN =VIH OR VIL,VOUT =1.5V(3)
60
–60
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at Vcc = 5.0V, +25°C ambient and maximum loading.
3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.
Capacitance(TA =25°C,f=1MHz)
Parameters(1)
Description
TestConditions
Typ
Max.
Units
CIN
Input Capacitance
Output Capacitance
VIN = 0V
4.5
5.5
7.5
8
pF
pF
COUT
VOUT =0V
Notes:
1. This parameter is determined by device characterization but is not production tested.
PS2031L
02/26/07
07-0059
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PI74FCT16244T/162244T
16-BitBuffer/LineDrivers
Power Supply Characteristics
Parameters Description
Test Conditions(1)
Min. Typ(2) Max. Units
ICC
Quiescent Power
Supply Current
VCC = Max.
VIN = GND or VCC
0.1
0.5
60
500
μA
ΔICC
ICCD
Supply Current per
Input @ TTL HIGH
VCC = Max.
VIN = 3.4V(3)
1.5
mA
Supply Current per
Input per MHz(4)
VCC = Max.,
Outputs Open
XOE = GND
VIN = VCC
VIN = GND
100
μA/
MHz
One Bit Toggling
50% Duty Cycle
IC
Total Power Supply
Current(6)
VCC = Max.,
Outputs Open
fI = 10 MHZ
VIN = VCC
VIN = GND
0.6
1.5(5)
mA
50% Duty Cycle
XOE = GND
One Bit Toggling
VIN = 3.4V
VIN = GND
0.9
2.4
2.3(5)
4.5(5)
VCC = Max.,
Outputs Open
fI = 2.5 MHZ
50% Duty Cycle
XOE = GND
VIN = VCC
VIN = GND
16 Bits Toggling
VIN = 3.4V
VIN = GND
6.4
16.5(5)
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at Vcc = 5.0V, +25°C ambient.
3. Per TTL driven input (VIN = 3.4V); all other inputs at Vcc or GND.
4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.
5. Values for these conditions are examples of the Icc formula. These limits are guaranteed but not tested.
6. IC =IQUIESCENT + IINPUTS + IDYNAMIC
IC = ICC + ΔICC DHNT + ICCD (fCP/2 + fINI)
ICC = Quiescent Current
ΔICC = Power Supply Current for a TTL High Input (VIN = 3.4V)
DH = Duty Cycle for TTL Inputs High
NT = Number of TTL Inputs at DH
ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL)
fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices)
fI = Input Frequency
NI = Number of Inputs at fI
All currents are in milliamps and all frequencies are in megahertz.
PS2031L
02/26/07
07-0059
5
PI74FCT16244T/162244T
16-BitBuffer/LineDrivers
PI74FCT16244TSwitchingCharacteristicsoverOperatingRange
16244T
Com.
16244AT
Com.
16244CT
Com.
16244ET
Com.
Parameters Description
Conditions Min Max Min Max Min Max Min Max Units
t
t
PLH
PHL
PropagationDelay(1)
to
OutputEnableTime
OEto
OutputDisableTime(2)
OEto
OutputSkew(3)
C
L
L
= 50 pF
1.5
1.5
1.5
6.5
1.5
1.5
1.5
4.8
1.5
1.5
1.5
4.1
1.5
1.5
1.5
3.2
ns
X
A
X
X
Y
X
R
=500Ω
t
t
PZH
PZL
8.0
6.2
5.8
4.4
ns
X
XYX
t
t
PHZ
PLZ
7.0
0.5
5.6
0.5
5.2
0.5
4.3
0.5
ns
ns
X
XYX
tSK(o)
Notes:
1. Minimum limits are guaranteed but not tested on Propagation Delays.
2. This parameter is guaranteed but not production tested.
3. Skew between any two outputs, of the same package, switching in the same direction. This parameter is guaranteed by design.
PI74FCT162244TSwitchingCharacteristicsoverOperatingRange
162244T
Com.
162244AT 162244CT 162244ET
Com. Com. Com.
Parameters Description
Conditions Min Max Min Max Min Max Min Max Units
t
t
PLH
PHL
PropagationDelay(1)
to
OutputEnableTime
OEto
OutputDisableTime(2)
OEto
OutputSkew(3)
C
L
L
= 50 pF
1.5
1.5
1.5
6.5
8.0
7.0
0.5
1.5
1.5
1.5
4.8
6.2
5.6
0.5
1.5
1.5
1.5
4.1
5.8
5.2
0.5
1.5
1.5
1.5
3.2
4.4
4.0
0.5
ns
ns
ns
ns
X
A
X
X
Y
X
R
=500Ω
t
t
PZH
PZL
X
XYX
t
t
PHZ
PLZ
X
XYX
tSK(o)
Notes:
1. Minimum limits are guaranteed but not tested on Propagation Delays.
2. This parameter is guaranteed but not production tested.
3. Skew between any two outputs, of the same package, switching in the same direction. This parameter is guaranteed by design.
PS2031L
02/26/07
07-0059
6
PI74FCT16244T/162244T
16-BitBuffer/LineDrivers
PackagingMechanical:48-Pin, 240milwidePlasticTSSOP(A)
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PackagingMechanical:48-pin300milwideplasticSSOP(V)
48
.395
.420
10.03
10.67
.291
.299
7.39
7.59
Gauge Plane
.010
0.25
.02
.04
0.51
1.01
1
.620
.630
15.75
16.00
0.381
0.635
.015
.025
x 45˚
.008
0.20
Nom.
.110 2.79 Max
.008 0.20
.0135 0.34
.025 BSC
0.635
.008 0.20
.016 0.40
0-8˚
X.XX
X.XX
DENOTES DIMENSIONS
IN MILLIMETERS
PS2031L
02/26/07
07-0059
7
PI74FCT16244T/162244T
16-BitBuffer/LineDrivers
PackagingMechanical:48-pin173-milwideplasticTVSOP(K)
48
.169
.177
4.30
4.50
0.09
0.20
.0035
.008
1
.031
.041
0.80
1.05
0.45 .018
0.75 .030
.252
BSC
6.4
.378 9.60
.386 9.80
SEATING
PLANE
Max.
.047
1.20
.002
.006
0.05
0.15
.016
BSC
.0051
.009
0.13
0.23
0.40
PI74FCT16244TOrderingInformation
OrderingCode
PackageCode
SpeedGrade
PackageType
48-pin240-milwideTSSOP
PI74FCT16244TA
PI74FCT16244TAE
PI74FCT16244TV
PI74FCT16244TVE
PI74FCT16244TK
PI74FCT16244TKE
PI74FCT16244ATA
PI74FCT16244ATAE
PI74FCT16244ATV
PI74FCT16244ATVE
PI74FCT16244CTA
PI74FCT16244CTAE
PI74FCT16244CTV
PI74FCT16244CTVE
A
A
V
V
K
K
A
A
V
V
A
A
V
V
Blank
Blank
Blank
Blank
Blank
Blank
A
Pb-free&Green,48-pin240-milwideTSSOP
48-pin300-milwideSSOP
Pb-free&Green,48-pin300-milwideSSOP
48-pin173-milwideTVSOP
Pb-free&Green,48-pin173-milwideTVSOP
48-pin240-milwideTSSOP
A
Pb-free&Green,48-pin240-milwideTSSOP
48-pin300-milwideSSOP
A
A
Pb-free&Green,48-pin300-milwideSSOP
48-pin240-milwideTSSOP
C
C
Pb-free&Green,48-pin240-milwideTSSOP
48-pin300-milwideSSOP
C
C
Pb-free&Green,48-pin300-milwideSSOP
PS2031L
02/26/07
07-0059
8
PI74FCT16244T/162244T
16-BitBuffer/LineDrivers
PI74FCT162244TOrderingInformation
OrderingCode
PackageCode
SpeedGrade
PackageType
PI74FCT162244TA
PI74FCT162244TAE
PI74FCT162244TV
PI74FCT162244TVE
PI74FCT162244ATA
PI74FCT162244ATAE
PI74FCT162244ATV
PI74FCT162244ATVE
PI74FCT162244CTA
PI74FCT162244CTV
PI74FCT162244CTK
PI74FCT162244CTKE
A
A
V
V
A
A
V
V
A
V
K
K
Blank
Blank
Blank
Blank
A
48-pin240-milwideTSSOP
Pb-free&Green,48-pin240-milwideTSSOP
48-pin300-milwideSSOP
Pb-free&Green,48-pin300-milwideSSOP
48-pin240-milwideTSSOP
A
Pb-free&Green,48-pin240-milwideTSSOP
48-pin300-milwideSSOP
A
A
Pb-free&Green,48-pin300-milwideSSOP
48-pin240-milwideTSSOP
C
C
48-pin300-milwideSSOP
C
48-pin173-milwideTVSOP
C
Pb-free&Green,48-pin173-milwideTVSOP
Notes:
•
•
•
Thermal characteristics can be found on the company web site at www.pericom.com/packaging/
E = Pb-free & Green
Adding an X suffix = Tape/Reel
PericomSemiconductorCorporation•1-800-435-2336 • www.pericom.com
PS2031L
02/26/07
07-0059
9
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