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SN75LBC771NS PDF预览

SN75LBC771NS

更新时间： 2024-09-13 19:52:03
品牌 Logo 应用领域
德州仪器 - TI 驱动信息通信管理光电二极管接口集成电路驱动器
页数 文件大小 规格书
13页 196K
描述
DUAL LINE TRANSCEIVER, PDSO20

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SN75LBC771NS 技术参数

生命周期：Obsolete包装说明：SOP,
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.71
差分输出：YES驱动器位数：2
输入特性：DIFFERENTIAL SCHMITT TRIGGER接口集成电路类型：LINE TRANSCEIVER
接口标准：EIA-422-B; EIA-423-B; APPLETALKJESD-30 代码：R-PDSO-G20
长度：12.6 mm标称负供电电压：-5 V
功能数量：2端子数量：20
最高工作温度：70 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
认证状态：Not Qualified最大接收延迟：75 ns
接收器位数：3座面最大高度：2 mm
最大供电电压：5.25 V最小供电电压：4.75 V
标称供电电压：5 V表面贴装：YES
技术：BICMOS温度等级：COMMERCIAL
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL最大传输延迟：75 ns
宽度：5.3 mmBase Number Matches：1

SN75LBC771NS 数据手册

 浏览型号SN75LBC771NS的Datasheet PDF文件第2页浏览型号SN75LBC771NS的Datasheet PDF文件第3页浏览型号SN75LBC771NS的Datasheet PDF文件第4页浏览型号SN75LBC771NS的Datasheet PDF文件第5页浏览型号SN75LBC771NS的Datasheet PDF文件第6页浏览型号SN75LBC771NS的Datasheet PDF文件第7页 
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  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
DA1  
GND  
V
V
EE  
CC  
±5 V Supply Operation  
NC  
NC  
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  
7
6
DY2  
DZ2  
10  
DA2  
description  
9
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  
12  
13  
RA1  
RB1  
11  
RY1  
1
18  
15  
DY1  
RA2  
DA1  
14  
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.  
17  
RY3  
16  
RB3  
5
SHDN  
WhiletheSN75LBC771ispoweredoff(V andV =0),theoutputsareinahigh-impedancestate.Also,when  
CC  
EE  
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.  
Copyright 1997, 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.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...13

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