1998 Jul 08

3

Philips Semiconductors

Product specification

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

74HC/HCT174

ORDERING INFORMATION

PIN DESCRIPTION

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

74HC174N;

74HCT174N

DIP16

plastic dual in-line package; 16 leads (300 mil); long body

SOT38-1

74HC174D;

74HCT174D

SO16

plastic small outline package; 16 leads; body width 3.9 mm

SOT109-1

74HC174DB;

74HCT174DB

SSOP16

plastic shrink small outline package; 16 leads; body width 5.3 mm

SOT338-1

74HC174PW;

74HCT174PW

TSSOP16

plastic thin shrink small outline package; 16 leads; body width 4.4 mm

SOT403-1

PIN NO.

SYMBOL

NAME AND FUNCTION

1

MR

asynchronous master reset (active LOW)

2, 5, 7, 10, 12, 15

flip-flop outputs

3, 4, 6, 11, 13, 14

data inputs

8

GND

ground (0 V)

9

CP

clock input (LOW-to-HIGH, edge-triggered)

16

positive supply voltage

Fig.1 Pin configuration.

Fig.2

Fig.3 IEC logic symbol.