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SN55121FK PDF预览

SN55121FK

更新时间： 2024-11-17 22:34:23
品牌 Logo 应用领域
德州仪器 - TI 线路驱动器或接收器驱动程序和接口接口集成电路
页数 文件大小 规格书
7页 120K
描述
DUAL LINE DRIVERS

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SN55121FK 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：QCCN, LCC20,.35SQReach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.91差分输出：NO
驱动器位数：2高电平输入电流最大值：0.00004 A
输入特性：GATED接口集成电路类型：LINE DRIVER
接口标准：GENERAL PURPOSEJESD-30 代码：S-CQCC-N20
长度：8.89 mm功能数量：2
端子数量：20最高工作温度：125 °C
最低工作温度：-55 °C最小输出摆幅：2.4 V
输出特性：OPEN-EMITTER输出极性：TRUE
封装主体材料：CERAMIC, METAL-SEALED COFIRED封装代码：QCCN
封装等效代码：LCC20,.35SQ封装形状：SQUARE
封装形式：CHIP CARRIER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：座面最大高度：2.03 mm
子类别：Line Driver or Receivers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：BIPOLAR
温度等级：MILITARY端子形式：NO LEAD
端子节距：1.27 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED最大传输延迟：50 ns
宽度：8.89 mmBase Number Matches：1

SN55121FK 数据手册

 浏览型号SN55121FK的Datasheet PDF文件第2页浏览型号SN55121FK的Datasheet PDF文件第3页浏览型号SN55121FK的Datasheet PDF文件第4页浏览型号SN55121FK的Datasheet PDF文件第5页浏览型号SN55121FK的Datasheet PDF文件第6页浏览型号SN55121FK的Datasheet PDF文件第7页 
SN55121, SN75121  
DUAL LINE DRIVERS  
SLLS074C – SEPTEMBER 1973 – REVISED MAY 1998  
SN55121 . . . J PACKAGE  
SN75121 . . . D OR N PACKAGE  
(TOP VIEW)  
Designed for Digital Data Transmission  
Over 50-Ω to 500-Ω Coaxial Cable, Strip  
Line, or Twisted Pair  
High Speed  
V
1A  
1B  
1
2
3
4
5
6
7
8
16  
15  
14  
CC  
t
= 20 ns Maximum at C = 15 pF  
2F  
2E  
pd  
L
1C  
TTL Compatible With Single 5-V Supply  
2.4-V Output at I = –75 mA  
13 2D  
12 2C  
1D  
OH  
1E  
Uncommitted Emitter-Follower Output  
Structure for Party-Line Operation  
11  
10  
9
2B  
2A  
2Y  
1F  
1Y  
Short-Circuit Protection  
GND  
AND-OR Logic Configuration  
Designed for Use With Triple Line  
Receivers SN55122, SN75122  
SN55121 . . . FK PACKAGE  
(TOP VIEW)  
Designed to Be Interchangeable With  
Signetics N8T13  
description  
3
2
1
20 19  
18  
1C  
1D  
NC  
1E  
1F  
2E  
2D  
NC  
2C  
2B  
4
5
6
7
8
The SN55121 and SN75121 dual line drivers are  
designed for digital data transmission over lines  
having impedances from 50 to 500 Ω. They are  
also compatible with standard TTL logic and  
supply-voltage levels.  
17  
16  
15  
14  
9 10 11 12 13  
The low-impedance emitter-follower outputs of  
the SN55121 and SN75121 can drive terminated  
lines such as coaxial cable or twisted pair. Having  
the outputs uncommitted allows wired-OR logic to  
be performed in party-line applications. Output  
short-circuit protection is provided by an internal  
clamping network that turns on when the output  
voltagedropsbelowapproximately1.5V. Allofthe  
inputs are in conventional TTL configuration and  
the gating can be used during power-up and  
power-down sequences to ensure that no noise is  
introduced to the line.  
NC–No internal connection  
THE SN75121 IS NOT  
RECOMMENDED FOR NEW DESIGNS  
The SN55121 is characterized for operation over  
the full military temperature range of –55°C to  
125°C. The SN75121 is characterized for  
operation from 0°C to 70°C.  
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.  
Copyright 1998, 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

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