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参数资料
| 型号： | MM54HC190 |
| 厂商： | National Semiconductor Corporation |
| 元件分类： | 通用总线功能 |
| 英文描述： | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| 中文描述： | MM54HC190/MM74HC190同步十年向上/向下计数器的模式控制MM54HC191/MM74HC191同步二进制加/减计数器的模式控制 |
| 文件页数： | 3/8页 |
| 文件大小： | 202K |
| 代理商： | MM54HC190 |
AC Electrical Characteristics
T
A
e
25
§
C, V
CC
e
5.0V, t
r
e
t
f
e
6 ns, C
L
e
15 pF (unless otherwise specified)
Symbol
Parameter
From
(Input)
To
Typ
Units
(Output)
f
MAX
Maximum Clock
Frequency
40
MHz
t
PLH
, t
PHL
Maximum Propagation Delay Time
Load
Q
A
, Q
B
Q
C
, Q
D
Q
A
, Q
B
Q
C
, Q
D
Ripple
Clock
30
ns
t
PLH
, t
PHL
Maximum Propagation Delay Time
Data A,
B, C, D
27
ns
t
PLH
, t
PHL
Maximum Propagation Delay Time
Clock
16
ns
t
PLH
, t
PHL
Maximum Propagation Delay Time
Clock
Q
A
, Q
B
Q
C
, Q
D
Max/Min
24
ns
t
PLH
, t
PHL
t
PLH
, t
PHL
Maximum Propagation Delay Time
Clock
30
ns
Maximum Propagation Delay Time
Down/Up
Ripple
Clock
29
ns
t
PLH
, t
PHL
t
PHL
, t
PLH
t
W
Maximum Propagation Delay Time
Down/Up
Max/Min
22
ns
Maximum Propagation Delay Time
Enable
Ripple Clock
22
ns
Minimum Clock, Clear or Load
Input Pulse Width
10
ns
AC Electrical Characteristics
V
CC
e
2.0V to 6.0V, C
L
e
50 pF, t
r
e
t
f
e
6 ns (unless otherwise specified)
From
(Input)
To
T
A
e
25
§
C
74HC
54HC
Symbol
Parameter
(Output)
V
CC
T
A
e b
40 to 85
§
C
Guaranteed Limits
T
A
eb
55 to 125
§
C
Units
Typ
f
MAX
Maximum Clock
Frequency
2.0V
4.5V
6.0V
9
4.0
20
24
3.5
16
19
2.6
13
15
MHz
MHz
MHz
30
36
t
PLH
, t
PHL
Maximum Propagation
Delay Time
Load
Q
A
, Q
B
Q
C
, Q
D
2.0V
4.5V
6.0V
80
27
21
220
44
37
275
55
47
330
66
56
ns
ns
ns
t
PLH
, t
PHL
Maximum Propagation
Delay Time
Data A,
B, C, D
Q
A
, Q
B
Q
C
, Q
D
2.0V
4.5V
6.0V
71
25
19
200
40
34
250
50
43
300
60
51
ns
ns
ns
t
PLH
, t
PHL
Maximum Propagation
Delay Time
Clock
Ripple
Clock
2.0V
4.5V
6.0V
44
25
14
125
25
21
155
31
26
190
38
32
ns
ns
ns
t
PLH
, t
PHL
Maximum Propagation
Delay Time
Clock
Q
A
, Q
B
Q
C
, Q
D
2.0V
4.5V
6.0V
83
29
22
215
43
37
270
54
46
325
65
55
ns
ns
ns
3
相关PDF资料 |
PDF描述 |
|---|---|
| MM54HC190J | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM54HC191 | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM54HC191J | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM74HC190 | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM74HC190J | MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MM54HC190J | 制造商:NSC 制造商全称:National Semiconductor 功能描述:MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM54HC191 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM54HC191J | 制造商:NSC 制造商全称:National Semiconductor 功能描述:MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control |
| MM54HC192 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Synchronous Decade Up/Down Counters Synchronous Binary Up/Down Counters |
| MM54HC193 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Synchronous Decade Up/Down Counters Synchronous Binary Up/Down Counters |
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