SN74ALS623ADW

更新时间： 2024-11-15 23:06:15

品牌	Logo	应用领域
德州仪器 - TI		总线收发器
页数	文件大小	规格书
15页	389K
描述
OCTAL BUS TRANSCEIVERS

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数据手册
替代型号

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SN74ALS623ADW 数据手册

SN74ALS620A, SN74ALS621A, SN74ALS623A, SN74AS623

OCTAL BUS TRANSCEIVERS

SDAS226A – DECEMBER 1982 – REVISED JANUARY 1995

DW OR N PACKAGE

(TOP VIEW)

• Local Bus-Latch Capability

• Choice of True or Inverting Logic

• Package Options Include Plastic

Small-Outline (DW) Packages and Standard

Plastic (N) 300-mil DIPs

OEAB

OEBA

GND

DEVICE

SN74ALS620A

OUTPUT

3 state

LOGIC

Inverting

True

SN74ALS621A

Open collector

3 state

13 B6

12 B7

SN74ALS623A, SN74AS623

True

description

These octal 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 (OEAB and OEBA) inputs.

The output-enable inputs disable the device so that the buses are effectively isolated. The dual-enable

configuration gives the transceivers the capability to store data by simultaneously enabling OEAB and OEBA.

Each output reinforces its input in this transceiver configuration. When both OEAB and OEBA are enabled and

all other data sources to the two sets of bus lines are in the high-impedance state, both sets of bus lines (16 total)

remain at their last states. The 8-bit codes appearing on the two sets of buses are identical for the

SN74ALS621A, SN74ALS623A, and SN74AS623 or complementary for the SN74ALS620A.

The -1 versions of the SN74ALS620A and SN74ALS621A are identical to the standard versions, except that

the recommended maximum I is increased to 48 mA in the -1 versions.

The SN74ALS620A, SN74ALS621A, SN74ALS623A, and SN74AS623 are characterized for operation from

0°C to 70°C.

FUNCTION TABLE

INPUTS

OPERATION

SN74ALS621A

OEAB

SN74ALS620A

SN74ALS623A

SN74AS623

OEBA

B data to A bus

A data to B bus

Isolation

B data to A bus

A data to B bus

Isolation

B data to A bus,

A data to B bus

B data to A bus,

A data to B bus

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...15

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SN74ALS623ADW 替代型号

型号	品牌	替代类型	描述	数据表
SN74ALS623ANSR	TI	完全替代	OCTAL BUS TRANSCEIVERS
SN74ALS623ANE4	TI	完全替代	OCTAL BUS TRANSCEIVERS
SN74ALS623ADWE4	TI	完全替代	OCTAL BUS TRANSCEIVERS

与SN74ALS623ADW相关器件

型号	品牌	获取价格	描述	数据表
SN74ALS623ADW3	TI	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,ALS-TTL,SOP,20PIN,PLASTIC
SN74ALS623ADWE4	TI	获取价格	OCTAL BUS TRANSCEIVERS
SN74ALS623ADWG4	TI	获取价格	ALS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, SOIC-20
SN74ALS623ADWR	TI	获取价格	OCTAL BUS TRANSCEIVERS
SN74ALS623ADWRE4	TI	获取价格	OCTAL BUS TRANSCEIVERS
SN74ALS623ADWRG4	TI	获取价格	ALS SERIES, 1-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, SOIC-20
SN74ALS623AFN	TI	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,ALS-TTL,LDCC,20PIN,PLASTIC
SN74ALS623AN	TI	获取价格	OCTAL BUS TRANSCEIVERS
SN74ALS623AN1	TI	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,ALS-TTL,DIP,20PIN,PLASTIC
SN74ALS623AN-10	TI	获取价格	ALS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20

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