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參數資料
| 型號： | MM54HC123A |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Dual Retriggerable Monostable Multivibrator(雙通道可再觸發的單穩態多諧振蕩器) |
| 中文描述： | 雙Retriggerable單穩態觸發器（雙通道可再觸發的單穩態多諧振蕩器） |
| 文件頁數： | 3/6頁 |
| 文件大小： | 198K |
| 代理商： | MM54HC123A |
AC Electrical Characteristics
V
CC
e
5V, T
A
e
25
§
C, C
L
e
15 pF, t
r
e
t
f
e
6 ns
Symbol
Parameter
Conditions
Typ
Limit
Units
t
PLH
Maximum Trigger Propagation Delay
A, B or Clear to Q
22
33
ns
t
PHL
Maximum Trigger Propagation Delay
A, B or Clear to Q
25
42
ns
t
PHL
t
PLH
t
W
t
REM
t
WQ(MIN)
Maximum Propagation Delay, Clear to Q
20
27
ns
Maximum Propagation Delay, Clear to Q
22
33
ns
Minimum Pulse Width, A, B or Clear
14
26
ns
Minimum Clear Removal Time
0
ns
Minimum Output Pulse Width
C
EXT
e
28 pF
R
EXT
e
2 k
X
C
EXT
e
1000 pF
R
EXT
e
10 k
X
400
ns
t
WQ
Output Pulse Width
10
m
s
AC Electrical Characteristics
C
L
e
50 pF t
r
e
t
f
e
6 ns (unless otherwise specified)
T
A
e
25
§
C
74HC
54HC
Symbol
Parameter
Conditions
V
CC
T
A
eb
40 to 85
§
C T
A
eb
55 to 125
§
CUnits
Guaranteed Limits
194
51
39
229
60
46
132
41
33
135
42
34
144
37
27
0
0
0
95
19
16
Typ
77
26
21
88
29
24
54
23
19
56
25
20
57
17
12
t
PLH
Maximum Trigger Propagation
Delay, A, B or Clear to Q
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V 1.5
4.5V 450
6.0V 380
5.0V
5.0V
169
42
32
197
48
38
114
34
28
116
36
29
123
30
21
0
0
0
75
15
13
210
57
44
250
67
51
143
45
36
147
46
37
157
42
30
0
0
0
110
22
19
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
m
s
ns
ns
ms
ms
pF
t
PHL
Maximum Trigger Propagation
Delay, A, B or Clear to Q
t
PHL
Maximum Propagation Delay
Clear to Q
t
PLH
Maximum Propagation Delay
Clear to Q
t
W
Minimum Pulse Width
A, B, Clear
t
REM
Minimum Clear
Removal Time
t
TLH
, t
THL
Maximum Output
Rise and Fall Time
30
8
7
t
WQ(MIN)
Minimum Output
Pulse Width
C
EXT
e
28 pF
R
EXT
e
2 k
X
R
EXT
e
6 k
X
(V
CC
e
2V)
C
EXT
e
0.1
m
F
R
EXT
e
10 k
X
t
WQ
Output Pulse Width
Min
Max
1
1
0.9
1.1
20
0.86
1.14
20
0.85
1.15
20
C
IN
Maximum Input
Capacitance (Pins 7 & 15)
Maximum Input
Capacitance (other inputs)
Power Dissipation
Capacitance
12
C
IN
6
10
10
10
pF
C
PD
(Note 5)
70
pF
Note 5:
C
PD
determines the no load dynamic power consumption, P
D
e
C
PD
V
CC2
f
a
I
CC
V
CC
, and the no load dynamic current consumption, I
S
e
C
PD
V
CC
f
a
I
CC
.
3
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MM54HC123AJ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual Retriggerable Monostable Multivibrator |
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