hef4538b NXP Semiconductors, hef4538b Datasheet - Page 4

• Manufacturer Part Number: hef4538b
• Description: Dual Precision Monostable Multivibrator
• Manufacturer: NXP Semiconductors

Philips Semiconductors
FUNCTION TABLE
Notes
1. H = HIGH state (the more positive voltage)
DC CHARACTERISTICS
V
Note
1. Only one monostable is switching: current present during output pulse (output O is HIGH).
January 1995
Supply current
Input leakage
SS
Dual precision monostable multivibrator
active state
(see note)
current
(pins 2 and 14)
L = LOW state (the less positive voltage)
X = state is immaterial
= 0 V
I
H
X
0
= positive output pulse
= negative output pulse
= positive-going transition
= negative-going transition
INPUTS
I
X
L
1
C
H
H
L
D
V
10
15
15
V
DD
5
O
I
L
SYMBOL
D
OUTPUTS
I
IN
O
H
TYP.
4
40
MAX.
Fig.4
TYP.
150
220
55
Connection of the external timing
components R
25
300
T
MAX.
amb
( C)
TYP.
t
and C
Product specification
85
t
HEF4538B
.
MAX.
1000 nA
MSI
A
A
A