Datasheet > MC74HCT245A_07

MC74HCT245A_07

更新时间： 2024-11-01 05:09:55

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安森美 - ONSEMI		总线收发器
页数	文件大小	规格书
9页	118K
描述
Octal 3−State Noninverting Bus Transceiver with LSTTL Compatible Inputs

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MC74HCT245A_07 数据手册

MC74HCT245A

Octal 3−State Noninverting

Bus Transceiver with LSTTL

Compatible Inputs

High−Performance Silicon−Gate CMOS

The MC74HCT245A is identical in pinout to the LS245. This

device may be used as a level converter for interfacing TTL or NMOS

outputs to High Speed CMOS inputs.

http://onsemi.com

The MC74HCT245A is a 3−state noninverting transceiver that is

used for 2−way asynchronous communication between data buses.

The device has an active−low Output Enable pin, which is used to

place the I/O ports into high−impedance states. The Direction control

determines whether data flows from A to B or from B to A.

PDIP−20

N SUFFIX

CASE 738

Features

• Output Drive Capability: 15 LSTTL Loads

• TTL/NMOS Compatible Input Levels

• Outputs Directly Interface to CMOS, NMOS and TTL

• Operating Voltage Range: 4.5 V to 5.5 V

• Low Input Current: 1.0 mA

SOIC−20W

DW SUFFIX

CASE 751D

• In Compliance with the Requirements Defined by JEDEC Standard

No. 7A

TSSOP−20

DT SUFFIX

CASE 948E

• Chip Complexity: 304 FETs or 76 Equivalent Gates

• Pb−Free Packages are Available

SOEIAJ−20

F SUFFIX

CASE 967

DATA

PORT

DATA

PORT

PIN ASSIGNMENT

DIRECTION

PIN 20 = V

PIN 10 = GND

OUTPUT ENABLE

Figure 1. Logic Diagram

Design Criteria

Internal Gate Count*

Value

Units

Internal Gate Propagation Delay

Internal Gate Power Dissipation

1.0

5.0

Speed Power Product

0.005

*Equivalent to a two−input NAND gate.

FUNCTION TABLE

Control Inputs

GND 10

11 B8

Output Enable Direction

Operation

Data Transmitted from Bus B to Bus A

Data Transmitted from Bus A to Bus B

Buses Isolated (High−Impedance State)

ORDERING INFORMATION

See detailed ordering, shipping information, and marking

information in the package dimensions section on page 6 of

this data sheet.

X = Don’t Care

Semiconductor Components Industries, LLC, 2007

Publication Order Number:

January, 2007 − Rev. 10

MC74HCT245A/D

12 3 4 5 6 7...9

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与MC74HCT245A_07相关器件

型号	品牌	获取价格	描述	数据表
MC74HCT245ADT	MOTOROLA	获取价格	Octal 3-State Noninverting Bus Transceiver with LSTTL Compatible Inputs
MC74HCT245ADT	ONSEMI	获取价格	Octal 3-State Noninverting Bus Transceiver with LSTTL Compatible Inputs
MC74HCT245ADT	ROCHESTER	获取价格	HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, LEAD FREE, TSSOP-20
MC74HCT245ADTG	ONSEMI	获取价格	Octal 3−State Noninverting Bus Transceiver with LSTTL Compatible Inputs
MC74HCT245ADTR2	ONSEMI	获取价格	Octal 3-State Noninverting Bus Transceiver with LSTTL Compatible Inputs
MC74HCT245ADTR2	MOTOROLA	获取价格	Bus Transceiver, HCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, PLASTIC, TSSOP-20
MC74HCT245ADTR2G	ONSEMI	获取价格	Octal 3−State Noninverting Bus Transceiver with LSTTL Compatible Inputs
MC74HCT245ADW	ONSEMI	获取价格	Octal 3-State Noninverting Bus Transceiver with LSTTL Compatible Inputs
MC74HCT245ADW	MOTOROLA	获取价格	Octal 3-State Noninverting Bus Transceiver with LSTTL Compatible Inputs
MC74HCT245ADWG	ONSEMI	获取价格	Octal 3−State Noninverting Bus Transceiver with LSTTL Compatible Inputs

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