SN74HCT623

更新时间： 2024-11-25 23:03:15

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
6页	113K
描述
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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SN74HCT623 数据手册

SN54HCT623, SN74HCT623

OCTAL BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCLS016B – MARCH 1984 – REVISED MAY 1997

SN54HCT623 . . . J OR W PACKAGE

SN74HCT623 . . . DW OR N PACKAGE

(TOP VIEW)

Inputs Are TTL-Voltage Compatible

Lock Bus-Latch Capability

True Logic

OEAB

OEBA

High-Current 3-State Outputs Can Drive up

to 15 LSTTL Loads

GND

Package Options Include Plastic

Small-Outline (DW) and Ceramic Flat (W)

Packages, Ceramic Chip Carriers (FK), and

Standard Plastic (N) and Ceramic (J)

300-mil DIPs

13 B6

12 B7

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.

SN54HCT623 . . . FK PACKAGE

(TOP VIEW)

The ’HCT623 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.

20 19

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.

15 B4

9 10 11 12 13

The SN54HCT623 is characterized for operation over the full military temperature range of –55°C to 125°C. The

SN74HCT623 is characterized for operation from –40°C to 85°C.

FUNCTION TABLE

INPUTS

OPERATION

OEBA

OEAB

B data to A bus

A data to B bus

Isolation

B data to A bus,

A data to B bus

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

UNLESS OTHERWISE NOTED this document contains PRODUCTION

DATA information 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

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与SN74HCT623相关器件

型号	品牌	获取价格	描述	数据表
SN74HCT623DW	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74HCT623DW-00	TI	获取价格	HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
SN74HCT623DW3	TI	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,HCT-CMOS,SOP,20PIN,PLASTIC
SN74HCT623DWG4	TI	获取价格	HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, SOIC-20
SN74HCT623DWR	TI	获取价格	Octal Bus Transceivers With 3-State Outputs 20-SOIC -40 to 85
SN74HCT623DWR-00	TI	获取价格	HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
SN74HCT623FH	TI	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,HCT-CMOS,LLCC,20PIN,CERAMIC
SN74HCT623J	TI	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,HCT-CMOS,DIP,20PIN,CERAMIC
SN74HCT623J4	TI	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,HCT-CMOS,DIP,20PIN,CERAMIC
SN74HCT623JP4	TI	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,HCT-CMOS,DIP,20PIN,CERAMIC

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