Datasheet > 逻辑 > 总线驱动器/收发器> SNJ54ALS243AFK

SNJ54ALS243AFK

更新时间： 2024-09-16 11:07:59

品牌	Logo	应用领域
德州仪器 - TI		驱动总线驱动器总线收发器
页数	文件大小	规格书
5页	87K
描述
具有三态输出的四路总线收发器 \| FK \| 20 \| -55 to 125

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替代型号

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SNJ54ALS243AFK 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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SNJ54ALS243AFK 替代型号

型号	品牌	替代类型	描述	数据表
SN74ALS243ADG4	TI	类似代替	ALS SERIES, 4-BIT TRANSCEIVER, TRUE OUTPUT, PDSO14, GREEN, PLASTIC, MS-012AB, SOIC-14

与SNJ54ALS243AFK相关器件

型号	品牌	获取价格	描述	数据表
SNJ54ALS244AJ	TI	获取价格	Octal Buffer/Drivers With 3-State Outputs 20-CDIP -55 to 125
SNJ54ALS244CFK	TI	获取价格	OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
SNJ54ALS244CJ	TI	获取价格	OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
SNJ54ALS244CW	TI	获取价格	OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
SNJ54ALS245AFK	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SNJ54ALS245AJ	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SNJ54ALS245AW	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SNJ54ALS245FH	ROCHESTER	获取价格	Bus Transceiver,
SNJ54ALS245J	TI	获取价格	TRANSCEIVER, CERAMIC, DIP-20
SNJ54ALS251FK	TI	获取价格	1-OF-8 DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS

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