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參數資料
| 型號： | 74F191PC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Up/Down Binary Counter with Preset and Ripple Clock |
| 中文描述： | F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-16 |
| 文件頁數： | 8/14頁 |
| 文件大小： | 104K |
| 代理商： | 74F191PC |
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
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PDF描述 |
|---|---|
| 74F191 | Up/Down Binary Counter with Preset and Ripple Clock |
| 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(帶分離加減時鐘的加減二進制計數器) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 74F191PC | 制造商:Fairchild Semiconductor Corporation 功能描述:Counter Logic IC |
| 74F191PC_Q | 功能描述:計數器 IC Up/Down Binary Ctr RoHS:否 制造商:NXP Semiconductors 計數器類型:Binary Counters 邏輯系列:74LV 位數:10 計數法: 計數順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| 74F191PCQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191PCX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191PMQB | 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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