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MC145423EJR2 PDF预览

MC145423EJR2

更新时间: 2024-10-02 07:23:55
品牌 Logo 应用领域
恩智浦 - NXP 电信光电二极管电信集成电路
页数 文件大小 规格书
30页 483K
描述
DATACOM, DIGITAL SLIC, PDSO28, TSSOP-28

MC145423EJR2 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SSOP包装说明:TSSOP,
针数:28Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.31.00.01
风险等级:5.11JESD-30 代码:R-PDSO-G28
长度:9.7 mm湿度敏感等级:3
功能数量:1端子数量:28
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.2 mm标称供电电压:5 V
表面贴装:YES技术:CMOS
电信集成电路类型:DIGITAL SLIC温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:4.4 mm

MC145423EJR2 数据手册

 浏览型号MC145423EJR2的Datasheet PDF文件第2页浏览型号MC145423EJR2的Datasheet PDF文件第3页浏览型号MC145423EJR2的Datasheet PDF文件第4页浏览型号MC145423EJR2的Datasheet PDF文件第5页浏览型号MC145423EJR2的Datasheet PDF文件第6页浏览型号MC145423EJR2的Datasheet PDF文件第7页 
MOTOROLA  
Semiconductor Products Sector  
MC145423  
Errata  
Universal Digital Loop Transceiver (UDLT-3)  
Pin Selectable Master/Slave  
Limited Distance Modem  
This errata applies only to the following:  
• Preproduction silicon marked “XCSAMPLE”.  
• When setup to operate in UDLT1 mode triangle wave output.  
Do to differences in device geometries and process, the LO1 and LO2 output impedance of the MC145423 is  
higher during non-burst time than the MC145422 and MC145426 devices it replaces. To compensate for this  
difference, the line interface requires a slight modification to optimize transmission performance.  
The following partial schematic highlights these differences by placing the modifications inside dashed boxes.  
These changes are:  
• R19 changes from 110 to 75 .  
• R21 changes from 110 to 75 .  
• R23 is an added component with a value of 1400 .  
For all other device configurations, the original interface as found in the datasheet (page 25, BASIC DIGITAL  
TELSET) can be used.  
V
DD  
75 D1  
LO1  
R19  
D2  
1400 Ω  
R23  
V
DD  
75 D3  
110 Ω  
See Note  
LO2  
LI  
R22  
D4  
R21  
To  
Twisted  
Pair  
To  
Battery  
1 µF  
V
DD  
See Note  
V
DD  
V
REF  
NOTE: Battery feed limiting resistors;  
value up to user discretion.  
© Motorola, Inc., 2000. All rights reserved.  

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