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DS78LS120W/883 PDF预览

DS78LS120W/883

更新时间: 2024-01-06 10:01:44
品牌 Logo 应用领域
美国国家半导体 - NSC /
页数 文件大小 规格书
9页 609K
描述
Dual Differential Line Receiver (Noise Filtering and Fail-Safe)

DS78LS120W/883 技术参数

是否Rohs认证:不符合生命周期:Obsolete
包装说明:DFP, FL16,.3Reach Compliance Code:unknown
风险等级:5.92Is Samacsys:N
JESD-30 代码:R-XDFP-F16JESD-609代码:e0
端子数量:16最高工作温度:125 °C
最低工作温度:-55 °C最大输出低电流:0.004 A
封装主体材料:CERAMIC封装代码:DFP
封装等效代码:FL16,.3封装形状:RECTANGULAR
封装形式:FLATPACK电源:5 V
认证状态:Not Qualified最大接收延迟:60 ns
筛选级别:MIL-STD-883 Class C子类别:Line Driver or Receivers
最大压摆率:16 mA标称供电电压:5 V
表面贴装:YES技术:BIPOLAR
温度等级:MILITARY端子面层:Tin/Lead (Sn/Pb)
端子形式:FLAT端子节距:1.27 mm
端子位置:DUALBase Number Matches:1

DS78LS120W/883 数据手册

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September 1999  
DS78LS120  
Dual Differential Line Receiver (Noise Filtering and  
Fail-Safe)  
Input specifications meet or exceed those of the popular  
DS7820 line receiver.  
General Description  
The DS78LS120 is a high performance, dual differential, TTL  
compatible line receiver for both balanced and unbalanced  
digital data transmission. The inputs are compatible with  
EIA, Federal and MIL standards.  
Features  
n Meets EIA standards RS232-C, RS422 and RS423,  
Federal Standards 1020, 1030 and MIL-188-114  
n Input voltage range of 15V (differential or  
common-mode)  
The line receiver will discriminate a 200 mV input signal  
over a common-mode range of 10V and a 300 mV signal  
over a range of 15V.  
n Separate strobe input for each receiver  
n 5k typical input impedance  
n Optional 180termination resistor  
n 50mV input hysteresis  
n 200mV input threshold  
n Separate fail-safe mode  
Circuit features include hysteresis and response control for  
applications where controlled rise and fall times and/or high  
frequency noise rejection are desirable. Threshold offset  
control is provided for fail-safe detection, should the input be  
open or short. Each receiver includes an optional 180Ω  
terminating resistor and the output gate contains a logic  
strobe for time discrimination. The DS78LS120 is specified  
over a −55˚C to +125˚C temperature range.  
Connection Diagram  
Dual-In-Line-Package  
00749901  
Top View  
see RETS Data Sheet.  
Order Number DS78LS120J/883 or DS78LS120W/883  
See NS Package Number J16A or W16A  
© 2004 National Semiconductor Corporation  
DS007499  
www.national.com  

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