HEF40373BU データシートの表示（PDF） - Philips Electronics

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HEF40373BU

Octal transparent latch with 3-state outputs

Philips Electronics 

Philips Semiconductors

Octal transparent latch with 3-state outputs

Product specification

HEF40373B

MSI

FUNCTION TABLE

OPERATING MODES

enable & read register

latch & read register

latch register & disable outputs

INPUTS

EO

E

Dn

L

H

L

L

H

H

L

L

I

L

L

h

H

L

I

H

L

h

Notes

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

h = HIGH state (one set-up time prior to the HIGH-to-LOW enable transition)

L = LOW state (the less positive voltage)

I = LOW state (one set-up time prior to the HIGH-to-LOw enable transition)

Z = high impedance OFF-state

INTERNAL

REGISTER

L

H

L

H

L

H

OUTPUTS

O0 TO O7

L

H

L

H

Z

Z

January 1995

4

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