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参数资料
| 型号： | 74F191FCX |
| 厂商： | National Semiconductor Corporation |
| 元件分类： | 通用总线功能 |
| 英文描述： | Up/Down Binary Counter with Preset and Ripple Clock |
| 中文描述： | 向上/向下二进制计数器的预置和波纹时钟 |
| 文件页数： | 5/10页 |
| 文件大小： | 187K |
| 代理商： | 74F191FCX |
AC Electrical Characteristics
74F
54F
74F
T
A
e a
25
§
C
V
CC
e a
5.0V
C
L
e
50 pF
T
A
, V
CC
e
Mil
C
L
e
50 pF
T
A
, V
CC
e
Com
C
L
e
50 pF
Symbol
Parameter
Units
Min
Typ
Max
Min
Max
Min
Max
f
max
Maximum Count Frequency
100
125
75
90
MHz
t
PLH
t
PHL
Propagation Delay
CP to Q
n
3.0
5.0
5.5
8.5
7.5
11.0
3.0
5.0
9.5
13.5
3.0
5.0
8.5
12.0
ns
t
PLH
t
PHL
Propagation Delay
CP to TC
6.0
5.0
10.0
8.5
13.0
11.0
6.0
5.0
16.5
13.5
6.0
5.0
14.0
12.0
t
PLH
t
PHL
Propagation Delay
CP to RC
3.0
3.0
5.5
5.0
7.5
7.0
3.0
3.0
9.5
9.0
3.0
3.0
8.5
8.0
ns
t
PLH
t
PHL
Propagation Delay
CE to RC
3.0
3.0
5.0
5.5
7.0
7.0
3.0
3.0
9.0
9.0
3.0
3.0
8.0
8.0
t
PLH
t
PHL
Propagation Delay
U/D to RC
7.0
5.5
11.0
9.0
18.0
12.0
7.0
5.5
22.0
14.0
7.0
5.5
20.0
13.0
ns
t
PLH
t
PHL
Propagation Delay
U/D to TC
4.0
4.0
7.0
6.5
10.0
10.0
4.0
4.0
13.5
12.5
4.0
4.0
11.0
11.0
t
PLH
t
PHL
Propagation Delay
P
n
to Q
n
3.0
6.0
4.5
10.0
7.0
13.0
3.0
6.0
9.0
16.0
3.0
6.0
8.0
14.0
ns
t
PLH
t
PHL
Propagation Delay
PL to Q
n
5.0
5.5
8.5
9.0
11.0
12.0
5.0
5.5
13.0
14.5
5.0
5.5
12.0
13.0
ns
t
PLH
t
PHL
Propagation Delay
P
n
to TC
5.0
6.5
14.0
13.0
5.0
6.0
15.0
14.0
ns
t
PLH
t
PHL
Propagation Delay
P
n
to RC
6.5
6.0
19.0
14.0
6.5
6.0
20.0
15.0
ns
t
PLH
t
PHL
Propagation Delay
PL to TC
8.0
6.0
16.5
13.5
8.0
6.0
17.5
14.5
ns
t
PLH
t
PHL
Propagation Delay
PL to RC
10.0
9.0
20.0
15.5
10.0
9.0
21.0
16.0
ns
5
相关PDF资料 |
PDF描述 |
|---|---|
| 74F191FMQB | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191FMX | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191LCQB | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191LCX | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191LMQB | Up/Down Binary Counter with Preset and Ripple Clock |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 74F191FMQB | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191FMX | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191LCQB | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191LCX | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191LMQB | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Up/Down Binary Counter with Preset and Ripple Clock |
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