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參數(shù)資料
Philips Semiconductors
Product specification
74F191
Up/Down binary counter with reset and ripple clock
1995 Jul 17
8
AC SETUP REQUIREMENTS
LIMITS
T
amb
= +25
°
C
V
CC
= +5.0V
C
L
= 50pF, R
L
= 500
Min
Typ
T
amb
= 0
°
C to +70
°
C
V
CC
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
Min
SYMBOL
PARAMETER
TEST CONDITIONS
UNIT
Max
Max
t
s
(H)
t
s
(L)
t
h
(H)
t
h
(L)
t
s
(L)
t
h
(L)
t
s
(H)
t
s
(L)
t
h
(H)
t
h
(L)
t
w
(H)
t
w
(L)
t
w
(L)
t
rec
Setup time, High or Low
D
n
to PL
Hold time, High or Low
D
n
to PL
Setup time, Low CE
to
CP
Waveform 6
4.5
4.5
5.0
5.0
ns
ns
Waveform 6
2.0
2.0
2.0
2.0
ns
ns
Waveform 6
10.0
10.0
ns
Hold time, Low CE to CP
Waveform 6
0
0
ns
Setup time, High or Low
U/D to CP
Waveform 6
12.0
12.0
12.0
12.0
ns
ns
Hold time, High or Low
U/D to CP
Waveform 6
0
0
0
0
ns
ns
CP Pulse width, High or Low
Waveform 1
3.5
6.0
3.5
6.0
ns
ns
PL Pulse width, Low
Waveform 5
6.0
6.0
ns
Recovery time, PL to CP
Waveform 5
6.0
6.0
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74F191SC | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191SJ | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191PC | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F193 | Up/down binary counter with separate up/down clocks(帶分離加減時(shí)鐘的加減二進(jìn)制計(jì)數(shù)器) |
| 74F194 | 4-bit bidirectional universal shift register(4位雙向通用移位寄存器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F191_07 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191DC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Synchronous Up/Down Counter |
| 74F191DCQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191DCX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191DMQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
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