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參數(shù)資料
| 型號： | 933897000623 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 計(jì)數(shù)器 |
| 英文描述： | F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16 |
| 封裝： | 3.90 MM, PLASTIC, MS-012AC, SOT-109-1, SO-16 |
| 文件頁數(shù)： | 13/14頁 |
| 文件大?。?/td> | 104K |
| 代理商： | 933897000623 |
Philips Semiconductors
Product specification
74F191
Up/Down binary counter with reset and ripple clock
1995 Jul 17
8
AC SETUP REQUIREMENTS
LIMITS
Tamb= +25°C
Tamb = 0°C to +70°C
SYMBOL
PARAMETER
TEST CONDITIONS
VCC = +5.0V
VCC = +5.0V ± 10%
UNIT
CL = 50pF, RL = 500
Min
Typ
Max
Min
Max
ts(H)
ts(L)
Setup time, High or Low
Dn to PL
Waveform 6
4.5
5.0
ns
th(H)
th(L)
Hold time, High or Low
Dn to PL
Waveform 6
2.0
ns
ts(L)
Setup time, Low CE to CP
Waveform 6
10.0
ns
th(L)
Hold time, Low CE to CP
Waveform 6
0
ns
ts(H)
ts(L)
Setup time, High or Low
U/D to CP
Waveform 6
12.0
ns
th(H)
th(L)
Hold time, High or Low
U/D to CP
Waveform 6
0
ns
tw(H)
tw(L)
CP Pulse width, High or Low
Waveform 1
3.5
6.0
3.5
6.0
ns
tw(L)
PL Pulse width, Low
Waveform 5
6.0
ns
trec
Recovery time, PL to CP
Waveform 5
6.0
ns
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