Datasheet > SN54HC245_15

SN54HC245_15

更新时间： 2024-11-26 02:58:31

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德州仪器 - TI		/
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7页	108K
描述
Octal Bus Transceivers

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数据手册

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SN54HC245_15 数据手册

SN54HC245, SN74HC245

OCTAL BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCLS131B – DECEMBER 1982 – REVISED MAY 1997

SN54HC245 . . . J OR W PACKAGE

SN74HC245 . . . DB, DW, N, OR PW PACKAGE

(TOP VIEW)

High-Current 3-State Outputs Drive Bus

Lines Directly or up to 15 LSTTL Loads

Package Options Include Plastic

Small-Outline (DW), Shrink Small-Outline

(DB), Thin Shrink Small-Outline (PW), 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. The control-function implementation

minimizes external timing requirements.

GND

SN54HC245 . . . FK PACKAGE

(TOP VIEW)

The devices allow data transmission from the

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

depending on the logic level at the

direction-control (DIR) input. The output-enable

(OE) input can be used to disable the device so

that the buses are effectively isolated.

20 19

The SN54HC245 is characterized for operation

over the full military temperature range of –55°C

to 125°C. The SN74HC245 is characterized for

operation from –40°C to 85°C.

9 10 11 12 13

FUNCTION TABLE

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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与SN54HC245_15相关器件

型号	品牌	获取价格	描述	数据表
SN54HC245FK	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN54HC245FK-00	TI	获取价格	HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CQCC20
SN54HC245FKR	TI	获取价格	HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20
SN54HC245J	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN54HC245J-00	TI	获取价格	HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20
SN54HC245-SP	TI	获取价格	具有三态输出的八路总线收发器
SN54HC245W	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN54HC245WR	TI	获取价格	HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDFP20, CERAMIC, FP-20
SN54HC251	TI	获取价格	DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN54HC251FK	TI	获取价格	DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS