m74hc4538 STMicroelectronics, m74hc4538 Datasheet - Page 8

• Manufacturer Part Number: m74hc4538
• Description: Dual Retriggerable Monostable Multivibrator
• Manufacturer: STMicroelectronics

Electrical characteristics
Table 7.
8/18
t
t
t
t
W(H)
Symbol
PLH
PLH
TLH
Δt
t
WOUT
t
t
WOUT
W(L)
REM
t
t
t
t
THL
PHL
PHL
W(L)
Output transition
time
Propagation
delay time
(A, B - Q, Q)
Propagation
delay time
(CD - Q, Q)
Output pulse
width
Output pulse
width error
between circuits
in same package
Minimum pulse
width
(A,B)
Minimum pulse
width
(CD)
Minimum clear
removal time
AC electrical characteristics (C
Parameter
V
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
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
(V)
CC
Test condition
Cx=0
Cx = 0.01 μF
Cx = 0.1 μF
Rx = 10 K
Rx = 10 K
Rx = 5 K
Rx = 1 K
Rx = 1 K
L
Ω
Ω
= 50 pF, Input t
Ω
Ω
Ω
0.67
0.67
0.67
Min
70
69
69
T
A
0.75
0.73
0.73
= 25°C
Typ
120
100
540
180
150
30
30
25
25
20
83
77
77
±1
30
30
8
7
8
7
8
7
0
0
0
r
= t
f
1200
Max
0.83
0.77
0.77
250
195
250
200
= 6 ns)
75
15
13
50
43
39
33
96
85
85
75
15
13
75
15
13
15
5
5
Value
-40 to 85°C
0.67
0.67
0.67
Min
70
69
69
1500
Max
0.83
0.77
0.77
315
245
320
260
95
19
16
63
54
49
42
96
85
85
95
19
16
95
19
16
15
5
5
0.67
0.67
0.67
Min
70
69
69
125°C
-55 to
M74HC4538
1800
Max
110
375
295
375
320
110
110
0.9
0.8
0.8
22
19
75
64
59
50
96
85
85
22
19
22
19
20
7
Unit
ms
ns
ns
ns
ns
μs
ns
ns
ns
%