HEF40163 View Datasheet(PDF) - Philips Electronics

Part Name

Description

MFG CO.

HEF40163

4-bit synchronous binary counter with synchronous reset

Philips Electronics 

Philips Semiconductors

4-bit synchronous binary counter with

synchronous reset

Product specification

HEF40163B

MSI

Fig.3 Pinning diagram.

PINNING

PE

P0 to P3

CEP

CET

CP

SR

O0 to O3

TC

parallel enable input

parallel data inputs

count enable parallel input

count enable trickle input

clock input (LOW to HIGH, edge-triggered)

synchronous reset input (active LOW)

parallel outputs

terminal count output

HEF40163BP(N): 16-lead DIL; plastic (SOT38-1)

HEF40163BD(F): 16-lead DIL; ceramic (cerdip) (SOT74)

HEF40163BT(D): 16-lead SO; plastic (SOT109-1)

( ): Package Designator North America

SYNCHRONOUS MODE SELECTION

TERMINAL COUNT GENERATION

SR PE CEP CET

MODE

CET

(O0 ⋅ O1 ⋅ O2 ⋅ O3)

TC

H

L

X

X preset

L

L

L

H

H

L

X no change

L

H

L

H

H

X

L no change

H

L

L

H

H

H

H count

H

H

H

L

X

X

X reset

Note

Notes

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

1. TC = CET ⋅ O0 ⋅ O1 ⋅ O2 ⋅ O3

2. L = LOW state (the less positive voltage)

3. X = state is immaterial

January 1995

Fig.4 State diagram.

4

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