1998 Jul 08

3

Philips Semiconductors

Product specification

8-bit synchronous binary down counter

74HC/HCT40103

ORDERING INFORMATION

PIN DESCRIPTION

TYPE NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

74HC40103N;

74HCT40103N

DIP16

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

SOT38-1

74HC40103D;

74HCT40103D

SO16

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

SOT109-1

74HC40103DB;

74HCT40103DB

SSOP16

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

SOT338-1

74HC40103PW;

TSSOP16 plastic thin shrink small outline package; 16 leads; body width 4.4 mm

SOT403-1

PIN NO.

SYMBOL

NAME AND FUNCTION

1

CP

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

2

MR

asynchronous master reset input (active LOW)

3

TE

terminal enable input

4, 5, 6, 7, 10, 11, 12, 13

jam inputs

8

GND

ground (0 V)

9

PL

asynchronous preset enable input (active LOW)

14

TC

terminal count output (active LOW)

15

PE

synchronous preset enable input (active LOW)

16

positive supply voltage

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.