m54hc4538k1 STMicroelectronics, m54hc4538k1 Datasheet - Page 7

• Manufacturer Part Number: m54hc4538k1
• Description: Dual Retriggerable Monostable Multivibrator
• Manufacturer: STMicroelectronics

Table 6: AC Electrical Characteristics (C
t
t
t
Symbol
PLH
PLH
TLH
t
WOUT
t
t
t
t
t
WOUT
W(H)
W(L)
W(L)
REM
t
rr
t
t
t
THL
PHL
PHL
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
Minimum Retrigger
Time
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
2.0
4.5
6.0
2.0
4.5
6.0
(V)
CC
Test Condition
Cx=0
Cx = 0.01 F
Cx = 0.01 F
Cx = 0.1 F
Cx = 0.1 F
Rx = 10K
Rx = 10K
Rx = 1K
Rx = 1K
Rx = 5K
Rx = 1K
Rx= 1K
L
= 50 pF, Input t
Min.
0.67
0.67
0.67
70
69
69
T
A
r
Typ.
0.75
0.73
0.73
= 25°C
120
100
540
180
150
380
= t
1.4
1.2
30
30
25
25
20
83
77
77
30
30
92
72
8
7
8
7
8
7
0
0
0
6
f
= 6ns)
Max.
1200
0.83
0.77
0.77
250
195
250
200
75
15
13
50
43
39
33
96
85
85
75
15
13
75
15
13
15
5
5
Value
-40 to 85°C
Min.
0.67
0.67
0.67
70
69
69
Max.
1500
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
-55 to 125°C
Min.
0.67
0.67
0.67
70
69
69
M54HC4538
Max.
1800
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
ns
ns
ns
ns
%
7/13
s
s