SN54ALS243A

更新时间： 2024-11-08 23:06:11

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
5页	87K
描述
QUADRUPLE BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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SN54ALS243A 数据手册

SN54ALS243A, SN74ALS243A

QUADRUPLE BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SDAS069B – DECEMBER 1982 – REVISED DECEMBER 1994

SN54ALS243A . . . J PACKAGE

SN74ALS243A . . . D OR N PACKAGE

(TOP VIEW)

• Two-Way Asynchronous Communication

Between Data Buses

• pnp Inputs Reduce dc Loading

• Package Options Include Plastic

Small-Outline (D) Packages, Ceramic Chip

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

Ceramic (J) 300-mil DIPs

OEAB

OEBA

description

GND

These quadruple bus transceivers are designed

for asynchronous two-way communication

between data buses. The control-function

implementation allows for maximum flexibility in

timing. These devices allow data transmission

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

A bus depending upon the logic levels at the

output-enable (OEBA and OEAB) inputs. The

output-enable inputs can be used to disable the

device so that the buses are effectively isolated.

SN54ALS243A . . . FK PACKAGE

(TOP VIEW)

20 19

The dual-enable configuration gives the

quadruple bus transceivers the capability to store

data by simultaneously enabling OEBA and

OEAB. Each output reinforces its input in this

transceiver configuration. When both control

inputs are enabled and all other data sources to

the two sets of bus lines are at high impedance,

both sets of bus lines (eight in all) retain their

states. The 4-bit codes appearing on the two sets

of buses are identical.

9 10 11 12 13

NC – No internal connection

The SN54ALS243A is characterized for operation over the full military temperature range of –55°C to 125°C.

The SN74ALS243A is characterized for operation from 0°C to 70°C.

FUNCTION TABLE

INPUTS

FUNCTION

OEBA

OEAB

A to B

B to A

Isolation

Latch A and B

(A = B)

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

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与SN54ALS243A相关器件

型号	品牌	获取价格	描述	数据表
SN54ALS243A_15	TI	获取价格	QUADRUPLE BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN54ALS243AFH	ROCHESTER	获取价格	Bus Transceiver,
SN54ALS243AFH	TI	获取价格	IC,BUS TRANSCEIVER,SINGLE,4-BIT,ALS-TTL,LLCC,20PIN,CERAMIC
SN54ALS243AFH-00	TI	获取价格	ALS SERIES, 4-BIT TRANSCEIVER, TRUE OUTPUT, CQCC20
SN54ALS243AFK	TI	获取价格	QUADRUPLE BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN54ALS243AJ	TI	获取价格	QUADRUPLE BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN54ALS243FH	ROCHESTER	获取价格	Bus Transceiver,
SN54ALS243J	TI	获取价格	IC,BUS TRANSCEIVER,SINGLE,4-BIT,ALS-TTL,DIP,14PIN,CERAMIC
SN54ALS244B	TI	获取价格	OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
SN54ALS244BJ	TI	获取价格	ALS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CDIP20, 0.300 INCH, CERAMIC, DIP-20

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