SN74HC645

更新时间： 2024-11-22 23:03:15

品牌	Logo	应用领域
德州仪器 - TI		总线收发器输出元件
页数	文件大小	规格书
7页	107K
描述
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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数据手册
替代型号

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SN74HC645 数据手册

SN54HC645, SN74HC645

OCTAL BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCLS304A – JANUARY 1996 – REVISED MAY 1997

SN54HC645 . . . J OR W PACKAGE

SN74HC645 . . . DW OR N PACKAGE

(TOP VIEW)

True Logic

High-Current 3-State Outputs Can Drive up

to 15 LSTTL Loads

Package Options Include Plastic

Small-Outline (DW) and Ceramic Flat (W)

Packages, Ceramic Chip Carriers (FK), and

Standard Plastic (N) and Ceramic (J)

300-mil DIPs

DIR

description

These octal bus transceivers are designed for

asynchronous two-way communication between

data buses. These devices transmit data from the

A bus to the B bus or from the B bus to the A bus,

depending upon the level at the direction-control

(DIR) input. The output-enable (OE) input can be

used to disable the device so the buses are

effectively isolated.

GND

SN54HC645 . . . FK PACKAGE

(TOP VIEW)

The SN54HC645 is characterized for operation

over the full military temperature range of –55°C

to 125°C. The SN74HC645 is characterized for

operation from –40°C to 85°C.

20 19

FUNCTION TABLE

9 10 11 12 13

INPUTS

OPERATION

DIR

B data to A bus

A data to B bus

Isolation

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7

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SN74HC645 替代型号

型号	品牌	替代类型	描述	数据表
SN54HC645	TI	功能相似	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

与SN74HC645相关器件

型号	品牌	获取价格	描述	数据表
SN74HC645DW	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74HC645DW-00	TI	获取价格	HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
SN74HC645DWE4	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74HC645DWG4	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74HC645DWR	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74HC645DWRE4	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74HC645DWRG4	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74HC645J	TI	获取价格	暂无描述
SN74HC645J4	TI	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,HC-CMOS,DIP,20PIN,CERAMIC
SN74HC645JP4	TI	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,HC-CMOS,DIP,20PIN,CERAMIC