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SN75LBC777DWR PDF预览

SN75LBC777DWR

更新时间： 2024-11-05 19:02:47
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输出元件接口集成电路驱动器
页数 文件大小 规格书
15页 272K
描述
DUAL LINE TRANSCEIVER, PDSO20, GREEN, PLASTIC, SOIC-20

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SN75LBC777DWR 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP, SOP20,.4
针数：20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.83其他特性：ONE DIFFERENTIAL OUTPUT DRIVER ALSO AVAILABLE
差分输出：NO驱动器位数：1
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; EIA-232; APPLETALKJESD-30 代码：R-PDSO-G20
JESD-609代码：e4长度：12.8 mm
功能数量：2端子数量：20
最高工作温度：70 °C最低工作温度：
最小输出摆幅：4 V最大输出低电流：0.002 A
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP20,.4封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：NOT SPECIFIED
电源：5 V认证状态：Not Qualified
最大接收延迟：75 ns接收器位数：1
座面最大高度：2.65 mm子类别：Line Driver or Receivers
最大压摆率：15 mA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端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
最大传输延迟：75 ns宽度：7.5 mm
Base Number Matches：1

SN75LBC777DWR 数据手册

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Obsolete Device  
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SLLS227 − SEPTEMBER 1996  
DW PACKAGE  
(TOP VIEW)  
D
D
D
D
D
Single-Chip Interface Solution for the 9-Pin  
GeoPortPeripheral Data Circuit-  
Terminating Equipment (DCE) for the  
Intelligent Network Port  
1
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
DA1  
GND  
2
3
4
5
6
7
8
9
V
V
EE  
CC  
Designed to Operate up to 4-Mbits/s Full  
Duplex  
C−  
C+  
SHDN  
DZ2  
DY2  
GND  
DEN  
DA2  
DY1  
DY3  
DA3  
RB2  
RY2  
RB1  
RA1  
RY1  
Single 5-V Supply Operation  
10-kV ESD Protection on Bus Terminals  
Backward Compatible with AppleTalkand  
LocalTalkLANs  
Combines Multiple Components into a  
Single Chip Solution  
10  
D
D
Complements the SN75LBC776 9-Terminal  
GeoPort Host Data Terminal Equipment  
(DTE) Interface Device  
logic diagram (positive logic)  
D
LinBiCMOSProcess Technology  
description  
7
DY2  
DZ2  
10  
The SN75LBC777 is a low-power LinBiCMOS  
DA2  
6
device that incorporate the drivers and receivers  
for a 9-pin GeoPort peripheral 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  
9
DEN  
12  
13  
RA1  
RB1  
11  
RY1  
1
18  
17  
DY1  
DY3  
DA1  
real-time  
data  
transfer  
capability.  
The  
SN75LBC777 provides point-to-point connec-  
tions between GeoPort-compatible devices with  
data transmission rates up to 4-Mbit/s full duplex  
over a 4-foot cable. Applications include connec-  
tion to telephone, integrated services digital  
network (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 LANs.  
16  
DA3  
14  
RY2  
15  
RB2  
5
SHDN  
19  
While the SN75LBC777 is powered off (V  
= 0)  
V
CC  
CC  
2
Charge Pump  
8
V
EE  
the outputs are in a high-impedance state. When  
the shutdown (SHDN) terminal is high, the charge  
pump is powered down and the outputs are in a  
high-impedance state. When high, the driver  
enable (DEN) terminal puts the outputs of the  
differential driver into a high-impedance state.  
GND  
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.  
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Copyright 1996, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443  
1234567...15

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