HD74AC138AFP 데이터 시트보기 (PDF) - Renesas Electronics

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HD74AC138AFP

1-of-8 Decoder/Demultiplexer

Renesas Electronics 

HD74AC138/HD74ACT138

1-of-8 Decoder/Demultiplexer

REJ03D0248–0200Z

(Previous ADE-205-368 (Z))

Rev.2.00

Jul.16.2004

Description

The HD74AC138/HD74ACT138 is a high-speed 1-of-8 decoder/demultiplexer. This device is ideally suited for high-

speed bipolar memory chip select address decoding. The multiple input enables allow parallel expansion to a 1-of-24

decoder using just three HD74AC138/HD74ACT138 devices or a 1-of-32 decoder using four

HD74AC138/HD74ACT138 devices and one inverter.

Features

• Demultiplexing Capability

• Multiple Input Enable for Easy Expansion

• Active LOW Mutually Exclusive Outputs

• Outputs Source/Sink 24 mA

• HD74ACT138 has TTL-Compatible Inputs

• Ordering Information: Ex. HD74AC138

Part Name

Package Type Package Code Package Abbreviation Taping Abbreviation (Quantity)

HD74AC138AP DIP-16 pin

DP-16E, -16FV P

—

HD74AC138AFPEL SOP-16 pin (JEITA) FP-16DAV

FP

EL (2,000 pcs/reel)

HD74AC138ARPEL SOP-16 pin (JEDEC) FP-16DNV

RP

EL (2,500 pcs/reel)

HD74AC138TELL TSSOP-16 pin

TTP-16DAV

T

ELL(2,000 pcs/reel)

Notes: 1. Please consult the sales office for the above package availability.

2. The packages with lead-free pins are distinguished from the conventional products by adding V at the end of

the package code.

Pin Arrangement

A0 1

A1 2

A2 3

E1 4

E2 5

E3 6

O7 7

GND 8

(Top view)

16 VCC

15 O0

14 O1

13 O2

12 O3

11 O4

10 O5

9 O6

Rev.2.00, Jul.16.2004, page 1 of 9

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