January 1995

2

Philips Semiconductors

Product specification

Hex D-type flip-flop

HEF40174B

MSI

DESCRIPTION

The HEF40174B is a hex edge-triggered D-type flip-flop

overriding asynchronous master reset input (MR), and six

CP if MR is HIGH. When LOW, MR resets all flip-flops

Fig.1 Functional diagram.

See Family Specifications

HEF40174BP(N): 16-lead DIL; plastic

(SOT38-1)

HEF40174BD(F):

16-lead DIL; ceramic (cerdip)

(SOT74)

HEF40174BT(D):

16-lead SO; plastic

(SOT109-1)

( ): Package Designator North America

Fig.2 Pinning diagram.

PINNING

FUNCTION TABLE

Notes

1. H = HIGH state (the more positive voltage)

L = LOW state (the less positive voltage)

X = state is immaterial

= positive-going transition

= negative-going transition

data inputs

CP

clock input (LOW to HIGH; edge-triggered)

MR

master reset input (active LOW)

buffered outputs

INPUTS

OUTPUT

CP

D

MR

O

HH

H

LH

L

X

H

no change

XX

L

L