HD74HC238RPEL datasheet(3/9 Pages) RENESAS

Part #	HD74HC238RPEL

Description	3-to-8-line Decoder/Demultiplexer

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Manufacturer	RENESAS [Renesas Technology Corp]

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3 / 9 page

Rev.2.00 Jan 31, 2006 page 1 of 6

HD74HC238

3-to-8-line Decoder/Demultiplexer

REJ03D0593–0200

(Previous ADE-205-470)

Rev.2.00

Jan 31, 2006

Description

The HD74HC238 has 3 binary select inputs (A, B and C). If the device is enabled these inputs determine which one of

the eight normally high outputs will go low. Two active low and one active high enables (

G

1, G2A and G2B) are

provided to ease the cascading of decoders.

Features

• High Speed Operation: t

pd (Data to Y) = 15 ns typ (CL = 50 pF)

• High Output Current: Fanout of 10 LSTTL Loads

• Wide Operating Voltage: V

CC = 2 to 6 V

• Low Input Current: 1 µA max

• Low Quiescent Supply Current: I

CC (static) = 4 µA max (Ta = 25°C)

• Ordering Information

Part Name

Package Type

Package Code

(Previous Code)

Package

Abbreviation

Taping Abbreviation

(Quantity)

HD74HC238P

DILP-16 pin

PRDP0016AE-B

(DP-16FV)

P

—

HD74HC238FPEL

SOP-16 pin (JEITA)

PRSP0016DH-B

(FP-16DAV)

FP

EL (2,000 pcs/reel)

HD74HC238RPEL

SOP-16 pin (JEDEC)

PRSP0016DG-A

(FP-16DNV)

RP

EL (2,500 pcs/reel)

Note:

Please consult the sales office for the above package availability.

Function Table

Inputs

Enable

Select

Outputs

G1

G

2A

G

2B

C

B

A

Y0

Y1

Y2

Y3

Y4

Y5

Y6

Y7

X

H

X

L

X

H

X

L

X

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

H :

High level

L :

Low level

X :

Irrelevant

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