Philips Semiconductors
3-to-8 line decoder/demultiplexer
AC WAVEFORMS
Product specification
74HC/HCT238
(1) HC : VM = 50%; VI = GND to VCC.
HCT: VM = 1.3 V; VI = GND to 3 V.
Fig.6 Waveforms showing the address input (An) and enable input (E3) to output (Yn) propagation delays and
the output transition times.
(1) HC : VM = 50%; VI = GND to VCC.
HCT: VM = 1.3 V; VI = GND to 3 V.
Fig.7 Waveforms showing the enable input (En) to output (Yn) propagation delays and the output transition
times.
PACKAGE OUTLINES
See “74HC/HCT/HCU/HCMOS Logic Package Outlines”.
December 1990
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