74LCX245 데이터 시트보기 (PDF) - Fairchild Semiconductor

부품명

상세내역

일치하는 목록

74LCX245

Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs

Fairchild Semiconductor 

Logic Symbol

Connection Diagrams

Pin Assignments for SOIC,

SOP, SSOP, and TSSOP

Pin Descriptions

Pin Names

Description

OE

T/R

A0–A7

B0–B7

Output Enable Input

Transmit/Receive Input

Side A Inputs or 3-STATE Outputs

Side B Inputs or 3-STATE Outputs

Truth Table

Inputs

OE T/R

Outputs

L

L Bus B0 – B7 Data to Bus A0 – A7

L

H Bus A0 – A7 Data to Bus B0 – B7

H

X HIGH Z State on A0 – A7, B0 – B7 (Note 5)

H HIGH Voltage Level

L LOW Voltage Level

X Immaterial

Z High Impedance

Note 5: Unused bus terminals during HIGH Z State must be held

HIGH or LOW.

Logic Diagram

Pin Assignment for DQFN

(Top Through View)

www.fairchildsemi.com

2

Share Link: