MC74LCX2245

更新时间： 2023-12-18 00:00:00

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		/
页数	文件大小	规格书
8页	165K
描述
LOW-VOLTAGE CMOS OCTAL TRANSCEIVER

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中文翻译

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数据手册

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MC74LCX2245 数据手册

SEMICONDUCTOR TECHNICAL DATA

The MC74LCX2245 is a high performance, non–inverting octal

transceiver 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

OCTAL TRANSCEIVER

performance. A V specification of 5.5V allows MC74LCX2245 inputs to

be safely driven from 5V devices. The MC74LCX2245 is designed to

reduce output overshoot and undershoot and is suitable for memory

address driving and all TTL level bus oriented transceiver applications;

especially those requiring the very quiet outputs.

Current drive capability is 12mA at both A and B ports. The

Transmit/Receive (T/R) input determines the direction of data flow

through the bi–directional transceiver. Transmit (active–HIGH) enables

data from A ports to B ports; Receive (active–LOW) enables data from B

to A ports. The Output Enable input, when HIGH, disables both A and B

ports by placing them in a HIGH Z condition.

DW SUFFIX

20–LEAD PLASTIC SOIC

CASE 751D–04

M SUFFIX

20–LEAD PLASTIC SOIC EIAJ

CASE 967–01

• Designed for 2.7 to 3.6V V

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

• Supports Live Insertion and Withdrawal

Operation

• I

OFF

Specification Guarantees High Impedance When V

= 0V

• LVTTL Compatible

SD SUFFIX

20–LEADPLASTIC SSOP

CASE 940C–03

• LVCMOS Compatible

• 12mA Balanced Output Sink and Source Capability

• Near Zero Static Supply Current in All Three Logic States (10µA)

Substantially Reduces System Power Requirements

• Latchup Performance Exceeds 500mA

DT SUFFIX

20–LEAD PLASTIC TSSOP

CASE 948E–02

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

PIN NAMES

Pins

Function

T/R

A0–A7

Output Enable Input

Transmit/Receive Input

Side A 3–State Inputs or 3–State

Outputs

T/R

GND

B0–B7

Side B 3–State Inputs or 3–State

Outputs

Figure 1. 20–Lead Pinout

(Top View)

This document contains information on a product under development. Motorola reserves the right to change or

discontinue this product without notice.

1/97

REV 0

Motorola, Inc. 1997

12 3 4 5 6 7 8

中文翻译

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与MC74LCX2245相关器件

型号	品牌	获取价格	描述	数据表
MC74LCX2245DT	MOTOROLA	获取价格	LOW-VOLTAGE CMOS OCTAL TRANSCEIVER
MC74LCX2245DT	ONSEMI	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,LCX/LVC-CMOS,TSSOP,20PIN,PLASTIC
MC74LCX2245DW	MOTOROLA	获取价格	LOW-VOLTAGE CMOS OCTAL TRANSCEIVER
MC74LCX2245M	MOTOROLA	获取价格	LOW-VOLTAGE CMOS OCTAL TRANSCEIVER
MC74LCX2245M	ONSEMI	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,LCX/LVC-CMOS,SOP,20PIN,PLASTIC
MC74LCX2245SD	MOTOROLA	获取价格	LOW-VOLTAGE CMOS OCTAL TRANSCEIVER
MC74LCX240	ONSEMI	获取价格	LOW-VOLTAGE CMOS OCTAL BUFFER
MC74LCX240	MOTOROLA	获取价格	LOW-VOLTAGE CMOS OCTAL BUFFER
MC74LCX240_06	ONSEMI	获取价格	Low−Voltage CMOS Octal Buffer With 5 V−Tolerant Inputs and Outputs (3−St
MC74LCX240_12	ONSEMI	获取价格	Low-Voltage CMOS Octal Buffer

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