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DS8921MDA PDF预览

DS8921MDA

更新时间： 2024-01-16 17:44:18
品牌 Logo 应用领域
德州仪器 - TI 驱动器接口集成电路光电二极管
页数 文件大小 规格书
15页 938K
描述
LINE TRANSCEIVER, UUC8, DIE

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DS8921MDA 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：DIP, DIP8,.3Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.67Is Samacsys：N
差分输出：YES驱动器位数：1
高电平输入电流最大值：0.00002 A输入特性：DIFFERENTIAL SCHMITT TRIGGER
接口集成电路类型：LINE TRANSCEIVER接口标准：EIA-422
JESD-30 代码：R-PDIP-T8JESD-609代码：e0
长度：9.817 mm功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C最小输出摆幅：2.5 V
最大输出低电流：0.008 A封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装等效代码：DIP8,.3
封装形状：RECTANGULAR封装形式：IN-LINE
电源：5 V认证状态：Not Qualified
最大接收延迟：22.5 ns接收器位数：1
座面最大高度：5.08 mm子类别：Line Driver or Receivers
最大压摆率：35 mA最大供电电压：5.5 V
最小供电电压：4.5 V标称供电电压：5 V
表面贴装：NO技术：BIPOLAR
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUAL最大传输延迟：15 ns
宽度：7.62 mmBase Number Matches：1

DS8921MDA 数据手册

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DS8921, DS8921A, DS8921AT  
www.ti.com  
SNLS374C –MAY 1998–REVISED APRIL 2013  
DS8921/DS8921A/DS8921AT Differential Line Driver and Receiver Pair  
Check for Samples: DS8921, DS8921A, DS8921AT  
1
FEATURES  
DESCRIPTION  
The DS8921, DS8921A are Differential Line Driver  
2
•
•
•
12 ns Typical Propagation Delay  
Output Skew - 0.5 ns Typical  
and Receiver pairs designed specifically for  
applications meeting the ST506, ST412 and ESDI  
Disk Drive Standards. In addition, these devices meet  
the requirements of the EIA Standard RS-422.  
Meet the Requirements of EIA Standard RS-  
422  
•
•
Complementary Driver Outputs  
The DS8921, DS8921A receivers offer an input  
sensitivity of 200 mV over a ±7V common mode  
operating range. Hysteresis is incorporated (typically  
70 mV) to improve noise margin for slowly changing  
input waveforms.  
High Differential or Common-Mode Input  
Voltage Ranges of ±7V  
•
±0.2V Receiver Sensitivity over the Input  
Voltage Range  
The DS8921, DS8921A drivers are designed to  
provide unipolar differential drive to twisted pair or  
parallel wire transmission lines. Complementary  
outputs are logically ANDed and provide an output  
skew of 0.5 ns (typ.) with propagation delays of  
12 ns.  
•
•
Receiver Input Hysteresis-70 mV Typical  
DS8921AT Industrial Temperature Operation:  
(−40°C to +85°C)  
The DS8921, DS8921A are designed to be  
compatible with TTL and CMOS.  
Connection Diagram  
DS8921/DS8921A/DS8921AT  
See Package Number D (R-PDSO-G8) or P (R-PDIP-T8)  
Truth Table  
Receiver  
Driver  
Input  
VOUT  
Input  
VOUT  
VOUT  
V
ID ≥ VTH (MAX)  
ID ≤ VTH (MIN)  
1
0
1
1
0
1
0
0
1
V
Open  
1
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.  
2
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 1998–2013, Texas Instruments Incorporated  
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