74AC245 查看數據表（PDF） - Fairchild Semiconductor

零件编号

产品描述 (功能)

生产厂家

74AC245

Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs

Fairchild Semiconductor 

Connection Diagram

Logic Symbols

IEEE/IEC

Pin Descriptions

Pin

Names

Description

OE

T/R

A0–A7

B0–B7

Output Enable Input

Transmit/Receive Input

Side A 3-STATE Inputs or 3-STATE Outputs

Side B 3-STATE Inputs or 3-STATE Outputs

Truth Table

Inputs

OE

T/R

L

L

L

H

H

X

H HIGH Voltage Level

L LOW Voltage Level

X Immaterial

Outputs

Bus B Data to Bus A

Bus A Data to Bus B

HIGH-Z State

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