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HEF4539B

Dual 4-input multiplexer

Philips Electronics 

Philips Semiconductors

Dual 4-input multiplexer

DESCRIPTION

The HEF4539B is a dual 4-input multiplexer with common

select logic. Each multiplexer has four multiplexer inputs

(I0 and I3), an active LOW enable input (E) and a

multiplexer output (O). When HIGH, E forces O of the

respective multiplexer LOW, independent of the select

inputs (S0 to S1) and I0 to I3. When E is LOW, S0 and

S1 determine which multiplexer input (I0 to I3) on each of

the multiplexers is routed to the respective multiplexer

output (O).

Product specification

HEF4539B

MSI

Fig.1 Functional diagram.

Fig.2 Pinning diagram.

HEF4539BP(N): 16-lead DIL; plastic

(SOT38-1)

HEF4539BD(F): 16-lead DIL; ceramic (cerdip)

(SOT74)

HEF4539BT(D): 16-lead SO; plastic

(SOT109-1)

( ): Package Designator North America

January 1995

PINNING

I0A, I1A, I2A, I3A

I0B, I1B, I2B, I3B

S0, S1

EA, EB

OA, OB

multiplexer inputs

multiplexer inputs

select inputs

enable inputs (active LOW)

multiplexer outputs

FAMILY DATA, IDD LIMITS category MSI

See Family Specifications

2

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