1998 Jul 08

4

Philips Semiconductors

Product specification

Hex D-type flip-flop with reset; positive-edge trigger

74HC/HCT174

FUNCTION TABLE

Note

1. H = HIGH voltage level

h = HIGH voltage level one set-up time prior to the LOW-to-HIGH CP transition

L = LOW voltage level

I = LOW voltage level one set-up time prior to the LOW-to-HIGH CP transition

X = don’t care

↑= LOW-to-HIGH CP transition

OPERATING MODES

INPUTS

OUTPUTS

MR

CP

reset (clear)

L

X

X

L

load “1”

H

↑

hH

load “0”

H

↑

IL

Fig.4 Functional diagram.

Fig.5 Logic diagram.