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M54HC423 数据表(PDF) 7 Page - STMicroelectronics

部件名 M54HC423
功能描述  DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
PDF  14 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M54HC423 数据表(HTML) 7 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns)
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
TA =25
oC
54HC and 74HC
-40 to 85
oC
74HC
-55 to 125
oC
54HC
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tTLH
tTHL
Output Transition
Time
2.0
30
75
95
ns
4.5
8
15
19
6.0
7
13
16
tPLH
tPHL
Propagation
Delay Time
(A, B - Q, Q)
2.0
102
210
265
ns
4.5
29
42
53
6.0
22
36
45
tPLH
tPHL
Propagation
Delay Time
(CLR - Q, Q)
2.0
68
160
200
ns
4.5
20
32
40
6.0
16
27
34
tWOUT
Output Pulse
Width
(for HC423)
2.0
CX = 100 pF
RX =10 K
Ω
1.3
µs
4.5
1.1
6.0
1
2.0
CX = 0.1
µF
RX = 100 K
Ω
4.8
ms
4.5
4.6
6.0
4.5
tWOUT
Output Pulse
Width
(for HC423A)
2.0
CX = 100 pF
RX =10 K
Ω
1.7
µs
4.5
1.4
6.0
1.3
2.0
CX = 0.1
µF
RX = 100 K
Ω
10
ms
4.5
9.5
6.0
9.5
∆tWOUT
Output Pulse
Width Error
Between Circuits
in Same Package
±1
%
tW(H)
tW(L)
Minimum Pulse
Width
2.0
75
95
ns
4.5
15
19
6.0
13
16
tW(L)
Minimum Pulse
Width
2.0
75
95
ns
4.5
15
19
6.0
13
16
trr
Minimum
Retrigger Time
2.0
CX = 100 pF
RX =1 K
Ω
325
ns
4.5
108
6.0
78
2.0
CX = 0.1
µF
RX = 100 K
Ω
5
µs
4.5
1.4
6.0
1.2
CIN
Input Capacitance
5
10
10
10
pF
CPD (*)
Power Dissipation
Capacitance
160
pF
(*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
(RefertoTestCircuit). Average operting current canbeobtained by the following equation. ICC(opr) =CPD
•VCC •fIN +ICC’ Duty/100 + IC/2(per monostable)
(ICC’: Active Supply Current) (Duty:%)
M54/M74HC423/423A
7/14



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