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參數(shù)資料
| 型號： | M74HC123 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR |
| 中文描述： | 雙RETRIGGERABLE單穩(wěn)態(tài)觸發(fā)器 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大小： | 503K |
| 代理商： | M74HC123 |
M74HC123
7/12
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, Input t
r
= t
f
= 6ns)
CAPACITIVE CHARACTERISTICS
1) C
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
CC(opr)
= C
PD
x V
CC
x f
IN
+ I
CC
’ Duty/100
+ Ic/2(per monostable) (I
cc
’ : Active Supply current) (Duty : %)
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
t
TLH
t
THL
Output Transition
Time
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
30
8
7
102
29
22
102
31
23
68
20
16
1.4
1.2
1.1
4.6
4.4
4.3
±1
75
15
13
210
42
36
235
47
40
160
32
27
95
19
16
265
53
45
295
59
50
200
40
34
110
22
19
315
63
54
355
71
60
240
48
41
ns
t
PLH
t
PHL
Propagation Delay
Time
(A, B - Q, Q)
t
PLH
t
PHL
Propagation Delay
Time(CLR
TRIGGER - Q, Q)
ns
ns
t
PLH
t
PHL
Propagation Delay
Time
(CLR - Q, Q)
t
WOUT
Output Pulse Width
ns
Cx = 100 pF
Rx = 10K
μ
s
Cx = 0.1
μ
F
Rx = 100K
ms
t
WOUT
Output Pulse Width
Error Between
Circuits in Same
Package
Minimum Pulse
Width
%
t
W(H)
t
W(L)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
75
15
13
75
15
13
95
19
16
95
19
16
110
22
19
110
22
19
ns
t
W(L)
Minimum Pulse
Width (CLR)
ns
t
rr
Minimum Retrigger
Time
Cx = 100 pF
Rx = 10K
325
108
78
5
1.4
1.2
ns
Cx = 0.1
μ
F
Rx = 100K
μ
s
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
C
IN
C
PD
Input Capacitance
Power Dissipation
Capacitance (note
1)
5.0
5
10
10
10
pF
5.0
162
pF
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