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SN55138

更新时间： 2024-11-20 22:50:15

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
13页	245K
描述
QUADRUPLE BUS TRANSCEIVERS

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数据手册
替代型号

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SN55138 数据手册

SN55138, SN75138

QUADRUPLE BUS TRANSCEIVERS

SLLS079B – SEPTEMBER 1973 – REVISED MAY 1995

SN55138 . . . J OR W PACKAGE

SN75138 . . . D OR N PACKAGE

Single 5-V Supply

High-Input-Impedance, High-Threshold

Receivers

(TOP VIEW)

Common Driver Strobe

15 4B

GND

TTL-Compatible Driver and Strobe Inputs

With Clamp Diodes

High-Speed Operation

100-mA Open-Collector Driver Outputs

Four Independent Channels

TTL-Compatible Receiver Output

GND

description

SN55138 . . . FK PACKAGE

(TOP VIEW)

The SN55138 and SN75138 quadruple bus

transceivers are designed for two-way data

communication over single-ended transmission

lines. Each of the four identical channels consists

of a driver with TTL inputs and a receiver with a

TTL output. The driver open-collector output is

designed to handle loads up to 100-mA open

collector. The receiver input is internally

connected to the driver output, and has a high

impedance to minimize loading of the

transmission line. Because of the high driver-

output current and the high receiver-input

impedance, a very large number (typically

hundreds) of transceivers may be connected to a

single data bus.

20 19

9 10 11 12 13

NC – No internal connection

The receiver design also features a threshold of 2.3 V (typical), providing a wider noise margin than would be

possible with a receiver having the usual TTL threshold. A strobe turns off all drivers (high impedance) but does

not affect receiver operation. These circuits are designed for operation from a single 5-V supply and include a

provision to minimize loading of the data bus when the power-supply voltage is zero.

The SN55138 is characterized for operation over the full military temperature range of –55°C to 125°C. The

SN75138 is characterized for operation from 0°C to 70°C.

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.

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...13

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SN55138 替代型号

型号	品牌	替代类型	描述	数据表
SN75138	TI	功能相似	QUADRUPLE BUS TRANSCEIVERS

与SN55138相关器件

型号	品牌	获取价格	描述	数据表
SN55138_14	TI	获取价格	QUADRUPLE BUS TRANSCEIVERS
SN55138FK	TI	获取价格	QUADRUPLE BUS TRANSCEIVERS
SN55138FK-00	TI	获取价格	LINE TRANSCEIVER, CQCC20
SN55138J	TI	获取价格	QUADRUPLE BUS TRANSCEIVERS
SN55138J-00	TI	获取价格	QUAD LINE TRANSCEIVER, CDIP16
SN55138W	TI	获取价格	QUADRUPLE BUS TRANSCEIVERS
SN55150JG	TI	获取价格	IC,LINE DRIVER,2 DRIVER,BIPOLAR,DIP,8PIN,CERAMIC
SN55151J	TI	获取价格	IC,LINE DRIVER,4 DRIVER,LS-TTL,DIP,20PIN,CERAMIC
SN55152	TI	获取价格	DUAL LINE RECEIVERS
SN55152FK	TI	获取价格	IC,LINE RECEIVER,DUAL,BIPOLAR,DIFFERENTIAL,LLCC,20PIN,CERAMIC

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