74HC174 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

74HC174

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

Philips Electronics 

Philips Semiconductors

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

Product specification

74HC/HCT174

Fig.4 Functional diagram.

FUNCTION TABLE

OPERATING MODES

reset (clear)

load “1”

load “0”

INPUTS

MR

CP

Dn

L

X

X

H

↑

h

H

↑

I

OUTPUTS

Qn

L

H

L

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

1998 Jul 08

Fig.5 Logic diagram.

4

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