參數(shù)資料
型號(hào): IDT74FCT161ATQ8
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 計(jì)數(shù)器
英文描述: FCT SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16
封裝: QSOP-16
文件頁數(shù): 5/7頁
文件大小: 69K
代理商: IDT74FCT161ATQ8
INDUSTRIALTEMPERATURERANGE
IDT74FCT161AT/CT
FASTCMOSSYNCHRONOUSPRESETTABLEBINARYCOUNTER
5
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
IDT74FCT161AT
IDT74FCT161CT
Symbol
Parameter
Condition
(1)
Min.(2)
Max.
Min.(2)
Max.
Unit
tPLH
PropagationDelay
CL = 50pF
2
7.2
2
5.8
ns
tPHL
CP to Qx (
PE Input HIGH)
RL = 500
tPLH
PropagationDelay
2
6.2
2
5.8
ns
tPHL
CP to Qx (
PE Input LOW)
tPLH
PropagationDelay
2
9.8
2
7.4
ns
tPHL
CP to TC
tPLH
PropagationDelay
1.5
5.5
1.5
5.2
ns
tPHL
CET to TC
tPHL
PropagationDelay
2
8.5
2
6
ns
MR to Qx
tPHL
PropagationDelay
2
7.5
2
7
ns
MR to TC
tSU
Set-up Time, HIGH or LOW, Px to CP
4
4
ns
tH
Hold Time, HIGH or LOW, Px to CP
1.5
1.5
ns
tSU
Set-up Time, HIGH or LOW,
PE or SR to CP
9.5
9.5
ns
tH
Hold Time, HIGH or LOW,
PE or SR to CP
1.5
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
0
0
ns
tW
Clock Pulse, Width (Load) HIGH or LOW
4
(3)
—4
(3)
—ns
tW
Clock Pulse, Width (Count) HIGH or LOW
6
6
ns
tPHL
MR Pulse Width LOW
4
(3)
—4
(3)
—ns
tPHL
Recovery Time
MR to CP
5
5
ns
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.
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IDT74FCT161ATSO8 FCT SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16
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