74AC245

更新时间： 2024-11-22 04:28:43

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安森美 - ONSEMI		/
页数	文件大小	规格书
10页	112K
描述
Octal Bidirectional Transceiver with 3−State Inputs/Outputs

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74AC245 数据手册

MC74AC245, MC74ACT245

Octal Bidirectional

Transceiver with 3−State

Inputs/Outputs

The MC74AC245/74ACT245 contains eight non−inverting

bidirectional buffers with 3−state outputs and is intended for

bus−oriented applications. Current sinking capability is 24 mA at both

the A and B ports. The Transmit/Receive (T/R) input determines the

direction of data flow through the bidirectional transceiver. Transmit

(active−HIGH) enables data from A ports to B ports; Receive

(active−LOW) enables data from B ports to A ports. The Output

Enable input, when HIGH, disables both A and B ports by placing

them in a High Z condition.

http://onsemi.com

PDIP−20

N SUFFIX

CASE 738

Features

• Noninverting Buffers

SOIC−20W

DW SUFFIX

CASE 751D

• Bidirectional Data Path

• A and B Outputs Source/Sink 24 mA

• ′ACT245 has TTL Compatible Inputs

• Pb−Free Packages are Available

PIN ASSIGNMENT

TSSOP−20

DT SUFFIX

CASE 948E

T/R

FUNCTION

Output Enable Input

Transmit/Receive Input

A −A

Side A 3−State Inputs or 3−State Outputs

Side B 3−State Inputs or 3−State Outputs

B −B

SOEIAJ−20

M SUFFIX

CASE 967

TRUTH TABLES

Inputs

Outputs

OE T/R

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 6 of this data sheet.

Bus B Data to Bus A

Bus A Data to Bus B

High Z State

DEVICE MARKING INFORMATION

See general marking information in the device marking

section on page 7 of this data sheet.

H = HIGH Voltage Level

L = LOW Voltage Level

X = Immaterial

T/R

GND

Figure 1.

Semiconductor Components Industries, LLC, 2006

Publication Order Number:

November, 2006 − Rev. 7

MC74AC245/D

12 3 4 5 6 7...10

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74AC245DB-T	NXP	获取价格	IC AC SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, Bus Driver/Transceiver
74AC245LCT	FAIRCHILD	获取价格	Bus Transceiver, AC Series, 1-Func, 8-Bit, True Output, CMOS, CQCC20, CERAMIC, LCC-20
74AC245LCX	FAIRCHILD	获取价格	Bus Transceiver, AC Series, 1-Func, 8-Bit, True Output, CMOS, CQCC20, CERAMIC, LCC-20
74AC245LCXR	FAIRCHILD	获取价格	Bus Transceiver, AC Series, 1-Func, 8-Bit, True Output, CMOS, CQCC20, CERAMIC, LCC-20
74AC245M	STMICROELECTRONICS	获取价格	OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS (NON INVERTED)