HCF4538 STMicroelectronics, HCF4538 Datasheet - Page 5

• Manufacturer Part Number: HCF4538
• Description: DUAL MONOSTABLE MULTIVIBRATOR
• Manufacturer: STMicroelectronics

DYNAMIC ELECTRICAL CHARACTERISTICS (T
typical temperature coefficent for all V
* Minimum R
Symbol
t
t
t
t
t
t
t
t
t
t
t
C
TLH
THL
PLH
PHL
PLH
PHL
WH
t
WL
WT
WT
WT
t
W
rr
IN
X
Transition Time
Propagation Delay Time
+TR or -TR to Q or Q
Propagation Delay Time
Reset to Q or Q
Minimum Input Pulse Width
+TR, -TR or Reset
Output Pulse Width - Q or Q
(C
Output Pulse Width - Q or Q
(C
Output Pulse Width - Q or Q
(C
Pulse Width Match Between
Circuits in Same Package:
(C
Minimum Retrigger Time
Input Capacitance
value = 4 K , minimum C
X
X
X
X
= 0.005 F, R
= 0.1 F, R
= 10 F, R
= 0.1 F, R
X
X
X
= 100 K )
Parameter
= 100 K )
= 100 K )
X
= 10 K
X
value = 500 pF
*)
100 T
T
DD
1
1
values is 03 %/
T
2
R
R
L
L
amb
= 1K
= 1K
Test Conditions
= 25
o
C, all input rise and fall times= 20 ns)
o
C, C
V
Input
DD
Any
10
15
10
15
10
15
10
15
10
15
10
15
10
15
10
15
10
15
L
5
5
5
5
5
5
5
5
5
(V)
= 50 pF, R
Min.
0.95
0.95
0.96
9.4
9.4
9.5
57
55
55
0
0
0
Value
10.00
L
Typ.
HCC/HCF4538B
60.6
58.9
59.1
9.97
9.95
1.00
1.00
1.00
100
300
150
100
250
125
50
40
95
80
40
30
5
= 200 K ,
1
1
1
Max.
64.5
63.0
63.5
10.5
10.6
10.6
1.06
1.06
1.07
200
100
600
300
220
500
250
190
140
7.5
80
80
60
Unit
pF
ns
ms
%
ns
ns
ns
ns
s
s
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