MC74LCX138

更新时间： 2024-11-05 22:40:23

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		解码器解复用器
页数	文件大小	规格书
8页	166K
描述
Low-Voltage CMOS 1-of-8 Decoder/Demultiplexer With 5V-Tolerant Inputs

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中文翻译

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MC74LCX138 数据手册

SEMICONDUCTOR TECHNICAL DATA

The MC74LCX138 is a high performance, 1–of–8 decoder/

demultiplexer operating from a 2.7 to 3.6V supply. High impedance TTL

compatible inputs significantly reduce current loading to input drivers

while TTL compatible outputs offer improved switching noise

LOW–VOLTAGE CMOS

DECODER/DEMULTIPLEXER

performance. A V specification of 5.5V allows MC74LCX138 inputs to be

safely driven from 5V devices. The MC74LCX138 is suitable for memory

address decoding and other TTL level bus oriented applications.

The MC74LCX138 high–speed 1–of–8 decoder/demultiplexer accepts

three binary weighted inputs (A0, A1, A2) and, when enabled, provides

eight mutually exclusive active–LOW outputs (O0–O7). The LCX138

features three Enable inputs, two active–LOW (E1, E2) and one

active–HIGH (E3). All outputs will be HIGH unless E1 and E2 are LOW,

and E3 is HIGH. This multiple enabled function allows easy parallel

expansion of the device to a 1–of–32 (5 lines to 32 lines) decoder with just

four LCX138 devices and one inverter (See Figure 1). The LCX138 can

be used as an 8–output demultiplexer by using one of the active–LOW

Enable inputs as the data input and the other Enable inputs as strobes.

The Enable inputs which are not used must be permanently tied to their

appropriate active–HIGH or active–LOW state.

D SUFFIX

PLASTIC SOIC

CASE 751B–05

M SUFFIX

PLASTIC SOIC EIAJ

CASE 966–01

Current drive capability is 24mA at the outputs.

SD SUFFIX

PLASTIC SSOP

• Designed for 2.7 to 3.6V V

Operation

CASE 940B–03

• 5V Tolerant Inputs — Interface Capability With 5V TTL Logic

• LVTTL Compatible

DT SUFFIX

PLASTIC TSSOP

CASE 948F–01

• LVCMOS Compatible

• 24mA Balanced Output Sink and Source Capability

• Near Zero Static Supply Current (10µA) Substantially Reduces System

Power Requirements

• Latchup Performance Exceeds 500mA

• ESD Performance: Human Body Model >2000V; Machine Model >200V

Pinout: 16–Lead Plastic Package (Top View)

PIN NAMES

Pins

Function

A0–A2

E1–E2

Address Inputs

Enable Inputs

Enable Input

Outputs

O0–O7

GND

11/96

Motorola, Inc. 1996

REV 1

12 3 4 5 6 7 8

中文翻译

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与MC74LCX138相关器件

型号	品牌	获取价格	描述	数据表
MC74LCX138_05	ONSEMI	获取价格	Low-Voltage CMOS 3-to-8 Decoder/Demultiplexer With 5 V−Tolerant Inputs
MC74LCX138D	MOTOROLA	获取价格	Low-Voltage CMOS 1-of-8 Decoder/Demultiplexer With 5V-Tolerant Inputs
MC74LCX138D	ONSEMI	获取价格	LOW-VOLTAGE CMOS DECODER/DEMULTIPLEXER
MC74LCX138DR2	ONSEMI	获取价格	Dual Low-Voltage CMOS 2-to-4 Decoder/Demultiplexer
MC74LCX138DR2G	ONSEMI	获取价格	Dual Low-Voltage CMOS 2-to-4 Decoder/Demultiplexer
MC74LCX138DR2G	ROCHESTER	获取价格	LVC/LCX/Z SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16, LEAD FREE, SOIC-16
MC74LCX138DT	MOTOROLA	获取价格	Low-Voltage CMOS 1-of-8 Decoder/Demultiplexer With 5V-Tolerant Inputs
MC74LCX138DT	ONSEMI	获取价格	LOW-VOLTAGE CMOS DECODER/DEMULTIPLEXER
MC74LCX138DTG	ONSEMI	获取价格	Low-Voltage CMOS 3-to-8 Decoder/Demultiplexer
MC74LCX138DTG	ROCHESTER	获取价格	LVC/LCX/Z SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16, LEAD FREE, TSSOP-16

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