HEC40195BDB View Datasheet(PDF) - Philips Electronics

Part Name

Description

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HEC40195BDB

4-bit universal shift register

Philips Electronics 

Philips Semiconductors

4-bit universal shift register

Product specification

HEF40195B

MSI

PINNING

PE

P0 to P3

J

K

CP

MR

O0 to O3

O3

parallel enable input (active LOW)

parallel data inputs

first stage J-input (active HIGH)

first stage K-input (active LOW)

clock input (LOW to HIGH edge triggered)

master reset input (active LOW)

buffered parallel outputs

buffered inverted output from last stage

FUNCTION TABLE

OPERATING MODE

PE

H

H

shift mode

H

H

L

parallel entry mode

L

INPUTS (MR = HIGH)

OUTPUTS AT tn + 1

J

K

P0

P1

P2

P3

O0

O1

O2

O3

O3

L

L

X

X

X

X

L

O0

O1

O2

O2

L

H

X

X

X

X

O0

O0

O1

O2

O2

H

L

X

X

X

X

O0

O0

O1

O2

O2

H

H

X

X

X

X

H

O0

O1

O2

O2

X

X

L

L

L

L

L

L

L

L

H

X

X

H

H

H

H

HHH

H

L

Notes

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

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

3. X = state is immaterial

4. tn + 1 = state after next LOW to HIGH transition of CP

January 1995

4

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