Datasheet

January 1995 8
Philips Semiconductors Product specification
Dual precision monostable multivibrator
HEF4538B
MSI
Fig.7 Typical normalized change in output pulse width as a function of ambient temperature; 0% at
V
DD
= 10 V and T
amb
=25°C.
(a) R
t
= 100 kΩ; C
t
= 100 nF.. (b) R
t
= 100 kΩ; C
t
= 2 nF.
Fig.8 Typical normalized change in output pulse
width as a function of the supply voltage at
T
amb
=25°C; 0% at
V
DD
=10V;R
t
= 100 kΩ.
Fig.9 Total supply current as a function of the
output duty factor; R
t
= 100 kΩ;
C
t
= 100 nF; C
L
= 50 pF. One monostable
multivibrator switching only.