Datasheet

December 1990 8
Philips Semiconductors Product specification
4-bit magnitude comparator 74HC/HCT85
AC WAVEFORMS
APPLICATION INFORMATION
Fig.6 Waveforms showing the word A inputs (A
n
), word B inputs (B
n
) and expansion inputs (I
n
) to the outputs
(Q
n
) propagation delays and the output transition times.
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.7 Series cascading; comparing 12-bit words.