HEF4029BT View Datasheet(PDF) - Philips Electronics

Part Name

Description

MFG CO.

HEF4029BT

Synchronous up/down counter, binary/decade counter

Philips Electronics 

Philips Semiconductors

Synchronous up/down counter,

binary/decade counter

FUNCTION TABLE

PL

BIN/DEC

H

X

L

X

L

L

L

L

L

H

L

H

UP/DN

X

X

L

H

L

H

Notes

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

L = LOW state (the less positive voltage)

X = state is immaterial

= positive-going clock pulse edge

Product specification

HEF4029B

MSI

CE

CP

MODE

X

X

parallel load (Pn → On)

H

X

no change

L

count-down, decade

L

count-up, decade

L

count-down, binary

L

count-up, binary

Fig.5 State diagram; BIN/DEC = LOW.

January 1995

5

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