PI49FCT806CTP [ETC]
Five Distributed-Output Clock Driver ; 五分布式输出时钟驱动器\n
| 型号： | PI49FCT806CTP |
| 厂家： | 
ETC |
| 描述： | Five Distributed-Output Clock Driver
|
| 文件： | 总6页 (文件大小：268K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PI49FCT805T
PI49FCT2805T
PI49FCT806T
Fast CMOS
Buffer/Clock Driver
Product Features
ProductDescription
Extremelylowoutputskew:0.5ns
Monitor output pin
Pericom Semiconductors PI49FCT series of logic circuits are
producedintheCompanysadvanced0.8micronCMOStechnology,
achieving industry leading speed grades.
Clock busing with Hi-Z state control
TTL input and CMOS output compatible
Extremelylowstaticpower(1mW, typ.)
Hysteresis on all inputs
The PI49FCT805T and PI49FCT2805T are non-inverting clock
drivers.ThePI49FCT806Tisaninvertingclockdriverdesignedwith
two independent groups of buffers. These buffers have Hi-Z state
OutputEnableinputs(activeLOW)witha1-in,5-outconfiguration
pergroup.Eachclockdriverconsistsoftwobanksofdrivers,driving
five outputs each from a standard TTL compatible CMOS input.
Packagesavailable:
20-pin209milwideSSOP(H)
20-pin300milwideDIP(P)
20-pin300milwideSOIC(S)
20-pin150milwideQSOP(Q)
ThePI49FCT2805Talsofeaturesa25Ohmon-chipresistorforlower
noise.
Device models available on request
Industrial Operation at -40ºC to +85ºC
PI49FCT805T/2805TLogicBlockDiagram
PI49FCT806TLogicBlockDiagram
OE
A
OE
A
5
5
5
5
IN
A
OA0–4
OB0–4
IN
A
OA0–4
OB0–4
INB
IN
B
OE
B
OE
B
MON
MON
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PI49FCT805/2805T/806T
Fast CMOS Buffer/Clock Driver
ProductPinDescription
PinName
OEA,OEB
INA,INB
OAN, OBN
MON
Description
Hi-Z State Output Enable Inputs (Active LOW)
Clock Inputs
Clock Outputs
Monitor Output
Ground
GND
VCC
Power
PI49FCT805/2805T Truth Table(1)
PI49FCT806TTruthTable(1)
Inputs
Outputs
Inputs
Outputs
OAN, OBN
OEA,OEB
INA,INB
OAN, OBN
MON
OEA,OEB
INA,INB
MON
L
L
L
H
L
L
H
Z
Z
L
H
L
L
L
L
H
L
H
L
Z
Z
H
L
H
H
H
H
H
L
H
H
H
Note:
Note:
1. H= HighVoltageLevel
L= LowVoltageLevel
Z= High Impedance
1. H= HighVoltageLevel
L= LowVoltageLevel
Z= High Impedance
PI49FCT805TProductPinConfiguration
PI49FCT806TProductPinConfiguration
Vcc
A
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VccB
Vcc
A
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VccB
OA
OA
OA
0
1
2
OB
OB
OB
0
OA
OA
OA
0
1
2
OB
OB
OB
0
1
1
2
2
GNDA
GNDB
GNDA
GNDB
OA
OA
3
4
OB
OB
3
4
OA
3
4
OB
3
4
OA
OB
GND
OE
IN
B
A
A
MON
OE
IN
GND
OE
IN
B
A
A
MON
OE
IN
B
B
B
B
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PI49FCT805/2805T/806T
Fast CMOS Buffer/Clock Driver
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................................................................................... 0.5W
Note:
StressesgreaterthanthoselistedunderMAXIMUMRAT-
INGS 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
theoperationalsectionsofthisspecificationisnotimplied.
Exposure to absolute maximum rating conditions for ex-
tended periods may affect reliability.
DC Electrical Characteristics (Over the Operating Range, TA = -40°C to +85°C, VCC = 5.0V ± 5%)
Parameters Description
Test Conditions(1) Min. Typ(2) Max. Units
Output HIGH Voltage VCC = Min., VIN = VIH or VIL
VOH
VOL
IOH = –24.0 mA
2.4
3.3
V
Output LOW Current
VCC = Min., VIN = VIH or VIL
IOL = 64 mA
0.3
0.3
0.55
0.50
V
V
IOL = 12 mA (25Ω)
VIH
VIL
IIH
Input HIGH Voltage
Input LOW Voltage
Input HIGH Current
Input LOW Current
Guaranteed Logic HIGH Level
Guaranteed Logic LOW Level
VCC = Max.
2.0
V
V
0.8
1
VIN = VCC
µA
µA
IIL
VCC = Max.
VIN = GND
–1
IOZH
IOZL
High Impedance
Output Current
VCC = Max.
VOUT = VCC
1
µA
µA
VOUT = GND
–1
II
Input HIGH Current
VCC = Max., VIN =VCC (Max.)
20
µA
V
VIK
IOS
VH
Clamp Diode Voltage VCC = Min., IIN = –18 mA
–0.7
–120
200
–1.2
–225
Short Circuit Current
Input Hysteresis
VCC = Max.(3), VOUT = GND
–60
mA
mV
VCC = 5 V
Capacitance (TA = 25°C, f = 1 MHz)
Parameters(4)
Description
Test Conditions
VIN = 0 V
Typ
6
Max.
Units
pF
CIN
Input Capacitance
Output Capacitance
10
12
COUT
VOUT = 0 V
8
pF
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 = 5.0, +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.
4. This parameter is determined by device characterization but is not production tested.
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PI49FCT805/2805T/806T
Fast CMOS Buffer/Clock Driver
Power Supply Characteristics
Parameters Description
Test Conditions(1)
Min. Typ(2) Max. Units
ICC
Quiescent Power
Supply Current
VCC = Max.
VIN = GND or VCC
3
30
µA
∆ICC
ICCD
Supply Current per
Input @ TTL HIGH
VCC = Max.
VIN = 3.4V(3)
0.5
2.0
mA
Supply Current per
Input per MHz(4)
VCC = Max.,
Outputs Open
VIN = VCC
VIN = GND
0.15
0.25
mA/
MHz
OEA = OEB = GND
Per Output Toggling
50% Duty Cycle
IC
Total Power Supply
Current(6)
VCC = Max.,
Outputs Open
fI = 10 MHZ
50% Duty Cycle
OEA = OEB = GND
Five Outputs Toggling
VIN = VCC
VIN = GND
7.7
8.0
14.0(5)
15.0(5)
mA
VIN = 3.4V
VIN = GND
VCC = Max.,
Outputs Open
fI = 2.5 MHZ
50% Duty Cycle
OEA = OEB = GND
Eleven Outputs
Toggling
VIN = VCC
VIN = GND
4.3
4.8
8.4(5)
VIN = 3.4V
VIN = GND
10.4(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 + ∆ICC DHNT + ICCD (fCP/2 + fINI)
ICC = Quiescent Current
∆ICC = 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.
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PI49FCT805/2805T/806T
Fast CMOS Buffer/Clock Driver
PI49FCT805/806T Switching Characteristics over Operating Range
805/2805/806T 805/2805/806AT 805/2805/806BT 805/2805/806CT
Com. Com. Com. Com.
Max Max Max Max
Parameters
Description
Conditions(1)
Min
Min
Min
Min
Unit
t
t
PLH
PHL
Propagation Delay
C
L
L
= 50 pF
= 500Ω
1.5
6.5
8.0
7.0
0.7
1.5
5.8
8.0
7.0
0.5
1.5
5.0
8.5
6.0
0.4
1.5
4.5
6.2
5.0
0.4
ns
IN
Output Enable Time
OE to OA , OE to OB
Output Disable Time(4)
OE to OA , OE to OB
A
to OA
N
, INB
to OB
N
R
t
t
PZH
PZL
1.5
1.5
—
1.5
1.5
—
1.5
1.5
—
1.5
1.5
—
ns
ns
ns
A
N
B
N
N
t
t
PHZ
PLZ
A
N
B
t
t
t
SKEW(o)(3)
SKEW(p)(3)
SKEW(t)(3)
Skew between two outputs
of same package
(same transition)
Skew between opposite
transitions (tPHL-tPLH) of
the same output
—
—
1.0
1.5
—
—
0.7
1.0
—
—
0.5
1.0
—
—
0.5
1.0
ns
ns
Skew between two outputs
of different package at
same temperature
(same transition)
Notes:
1. See test circuit and wave forms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. Skew measured at worse cast temperature (max. temp).
4. This parameter is guaranteed but not production tested.
(1)
Tests Circuits For All Outputs
Switch Position
Test
Switch
Closed
Open
V
CC
Open Drain
Disable LOW
Enable LOW
7.0V
All Other Inputs
500Ω
500Ω
VIN
VOUT
DEFINITIONS:
CL = Load capacitance: includes jig and
probe capacitance.
RT = Termination resistance: should be
equal to ZOUT of the Pulse Generator.
Pulse
Generator
D.U.T.
50pF
RT
CL
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PI49FCT805/2805T/806T
Fast CMOS Buffer/Clock Driver
Switching Waveforms
Output Skew – tSK(o)
Propagation Delay
Enable and Disable Times
Pulse Skew – tSK(p)
Package Skew – tSK(t)
Ordering Information
Ordering Code
Marking Code
PI49FCT805Tpx
PI49FCT2805Tpx
PI49FCT806Tpx
PI49FCT805xTp
PI49FCT2805xTp
PI49FCT806xTp
Note: x = Speed Grades: blank, A, B, C.
p = Package Type:
H = 209-mil SSOP
P = 300-mil DIP
Q = 150-mil SOIC
S = 300-mil SOIC
Example:
PI49FCT2805ATH = A grade, H pkg marked as
PI49FCT2805THA
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
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