SN54F623FKR

更新时间： 2024-01-09 12:01:11

品牌	Logo	应用领域
德州仪器 - TI		总线收发器输出元件
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5页	79K
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数据手册

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SN54F623FKR 数据手册

SN54F623, SN74F623

OCTAL BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SDFS087 – MARCH 1987 – REVISED OCTOBER 1993

SN54F623 . . . J PACKAGE

SN74F623 . . . DW OR N PACKAGE

(TOP VIEW)

• Local Bus-Latch Capability

• Noninverting Logic

• Package Options Include Plastic

Small-Outline Packages, Ceramic Chip

Carriers, and Standard Plastic and Ceramic

300-mil DIPs

OEAB

OEBA

GND

description

These octal bus transceivers are designed for

asynchronous communication between data

buses. Thecontrolfunctionimplementationallows

for maximum flexibility in timing.

11 B8

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.

SN54F623 . . . FK PACKAGE

(TOP VIEW)

The output-enable inputs can be used to disable

the device so that the buses are effectively

isolated. The dual-enable configuration gives the

transceivers the capability of storing data by

simultaneously enabling OEAB and OEBA. Each

output reinforces its input in this configuration.

When both OEAB and OEBA are enabled and all

other data sources to the two sets of bus lines are

at high impedance, both sets of bus lines (16 in all)

will remain at their last states.

20 19

17 B2

9 10 11 12 13

The SN54F623 is characterized for operation over

the full military temperature range of –55°C to

125°C. The SN74F623 is characterized for

operation from 0°C to 70°C.

FUNCTION TABLE

INPUTS

OPERATION

OEBA

OEAB

B data to A bus

B data to A bus,

A data to B bus

Isolation

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.

2–1

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5

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