Datasheet > SN54ALS645A_16

SN54ALS645A_16

更新时间： 2024-01-05 01:12:49

品牌	Logo	应用领域
德州仪器 - TI		输出元件
页数	文件大小	规格书
9页	137K
描述
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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SN54ALS645A_16 数据手册

SN54ALS645A, SN54AS645, SN74ALS645A, SN74AS645

OCTAL BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SDAS278 – JANUARY 1995

SN54ALS645A, SN54AS645 . . . J PACKAGE

SN74ALS645A, SN74AS645 . . . DW OR N PACKAGE

(TOP VIEW)

• Bidirectional Bus Transceivers in

High-Density 20-Pin Packages

• True Logic

• 3-State Outputs

DIR

• Package Options Include Plastic

Small-Outline (DW) Packages, Ceramic

Chip Carriers (FK), and Standard Plastic (N)

and Ceramic (J) 300-mil DIPs

description

13 B6

12 B7

11 B8

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 on the 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.

GND 10

SN54ALS645A, SN54AS645 . . . FK PACKAGE

(TOP VIEW)

The -1 version of the SN74ALS645A is identical

to the standard version, except that the

20 19

recommended maximum I

is increased to

48 mA. There is no -1 version of the

SN54ALS645A.

The SN54ALS645A and SN54AS645 are

characterized for operation over the full military

temperature range of –55°C to 125°C. The

9 10 11 12 13

SN74ALS645A

and

SN74AS645

are

characterized for operation from 0°C to 70°C.

FUNCTION TABLE

INPUTS

OPERATION

DIR

B data to A bus

A data to B bus

Isolation

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...9

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与SN54ALS645A_16相关器件

型号	品牌	获取价格	描述	数据表
SN54ALS645AFK	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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SN54ALS646	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54ALS646_15	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54ALS646FH	TI	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,ALS-TTL,LLCC,28PIN,CERAMIC
SN54ALS646FK	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54ALS646JT	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54ALS647FH	TI	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,ALS-TTL,LLCC,28PIN,CERAMIC
SN54ALS647FH-00	TI	获取价格	ALS SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CQCC28