Datasheet > 驱动程序和接口 > 线路驱动器或接收器> SN75LBC771

SN75LBC771

更新时间： 2024-09-12 22:53:31

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
13页	201K
描述
GEOPORTE TRANSCEIVER

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数据手册

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SN75LBC771 数据手册

SN75LBC771

GEOPORT TRANSCEIVER

SLLS226A – APRIL 1996 – REVISED NOVEMBER 1997

DW PACKAGE

(TOP VIEW)

Supports a 9-Pin GeoPort Host Interface

Standard for the Intelligent Network Port

Designed to Operate up to 4-Mbit/s Full

Duplex

DA1

GND

±5 V Supply Operation

DY1

RY3

RB3

RA2

RY2

RB1

RA1

RY1

Provides 6 kV ESD Protection

Has Driver Short-Circuit Protection

SHDN

DZ2

Includes Failsafe Mechanism for Open

Inputs

DY2

GND

DEN

DA2

Is Backward Compatible with AppleTalk

and LocalTalk

Combines Multiple Components into a

Single Chip Solution

Complements the SN75LBC772 9-Pin

GeoPort Peripheral (DCE) Interface Device

logic diagram (positive logic)

Uses LinBiCMOS Process Technology

DY2

DZ2

DA2

description

DEN

The SN75LBC771 is a low-power LinBiCMOS

device that incorporates the drivers and receivers

for a 9-pin GeoPort host interface. GeoPort

combines hybrid EIA/TIA-422-B and EIA/

TIA-423-B drivers and receivers to transmit data

up to four-Mbit/s full duplex. GeoPort is a serial

communications standard that is intended to

replace the RS-232, AppleTalk, and printer ports

all in one connector in addition to providing

RA1

RB1

RY1

DY1

RA2

DA1

RY2

real-time

data

transfer

capability.

The

SN75LBC771 provides point-to-point connec-

tions between GeoPort-compatible devices with

data transmission rates up to 4-Mbit/s full duplex

featuring a hot-plug capability. Applications

include connection to telephone, ISDN, digital

sound and imaging, fax-data modems, and other

traditional serial and parallel connections. The

GeoPort is backwardly compatible to both

LocalTalk and AppleTalk.

RY3

RB3

SHDN

WhiletheSN75LBC771ispoweredoff(V andV =0),theoutputsareinahigh-impedancestate.Also,when

the shutdown (SHDN) terminal is high, all outputs go into a high-impedance state. A logic high on the driver

enable (DEN) terminal places the outputs of the differential driver into a high-impedance state. All drivers and

receivers have fail-safe mechanisms that ensure a high output state when the inputs are left open.

The SN75LBC771 is characterized for operation over the 0°C to 70°C temperature range.

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.

GeoPort, LocalTalk, and AppleTalk are trademarks of Apple Computer, Incorporated.

LinBICMOS is a trademark of Texas Instruments Incorporated.

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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与SN75LBC771相关器件

型号	品牌	获取价格	描述	数据表
SN75LBC771CDW	TI	获取价格	LINE TRANSCEIVER, PDSO20
SN75LBC771DW	TI	获取价格	GEOPORTE TRANSCEIVER
SN75LBC771DWR	TI	获取价格	DUAL LINE TRANSCEIVER, PDSO20, GREEN, PLASTIC, SOIC-20
SN75LBC771NS	TI	获取价格	DUAL LINE TRANSCEIVER, PDSO20
SN75LBC773	TI	获取价格	GEOPORTE TRANSCEIVER
SN75LBC773_05	TI	获取价格	GEOPORT TRANSCEIVER
SN75LBC773DW	TI	获取价格	GEOPORTE TRANSCEIVER
SN75LBC773DW	ROCHESTER	获取价格	LINE TRANSCEIVER, PDSO20, PLASTIC, SOIC-20
SN75LBC773DWR	ROCHESTER	获取价格	LINE TRANSCEIVER, PDSO20, PLASTIC, SOIC-20
SN75LBC773DWR	TI	获取价格	GEOPORT TRANSCEIVER

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