IDT74FCT161CTQ 데이터 시트보기 (PDF) - Integrated Device Technology
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IDT74FCT161CTQ Datasheet PDF : 7 Pages
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IDT74FCT161AT/CT
FAST CMOS SYNCHRONOUS PRESETTABLE BINARY COUNTER
INDUSTRIAL TEMPERATURE RANGE
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
Symbol Parameter
Condition(1)
IDT74FCT161AT
Min.(2)
Max.
IDT74FCT161CT
Min.(2)
Max.
Unit
tPLH
Propagation Delay
tPHL
CP to Qx (PE Input HIGH)
tPLH
Propagation Delay
tPHL
CP to Qx (PE Input LOW)
CL = 50pF
2
7.2
RL = 500Ω
2
6.2
2
5.8
ns
2
5.8
ns
tPLH
Propagation Delay
tPHL
CP to TC
2
9.8
2
7.4
ns
tPLH
Propagation Delay
tPHL
CET to TC
1.5
5.5
1.5
5.2
ns
tPHL
Propagation Delay
MR to Qx
2
8.5
2
6
ns
tPHL
Propagation Delay
MR to TC
2
7.5
2
7
ns
tSU
Set-up Time, HIGH or LOW, Px to CP
4
—
4
—
ns
tH
Hold Time, HIGH or LOW, Px to CP
tSU
Set-up Time, HIGH or LOW, PE or SR to CP
tH
Hold Time, HIGH or LOW, PE or SR to CP
1.5
—
9.5
—
1.5
—
1.5
—
ns
9.5
—
ns
1.5
—
ns
tSU
Set-up Time, HIGH or LOW, CEP or CET to CP
9.5
—
9.5
—
ns
tH
Hold Time, HIGH or LOW, CEP or CET to CP
tW
Clock Pulse, Width (Load) HIGH or LOW
0
—
4(3)
—
0
—
ns
4(3)
—
ns
tW
Clock Pulse, Width (Count) HIGH or LOW
tPHL
MR Pulse Width LOW
tPHL
Recovery Time MR to CP
NOTES:
1. See test circuits and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. This limit is guaranteed but not tested.
6
—
4(3)
—
5
—
6
—
ns
4(3)
—
ns
5
—
ns
5
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