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