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UCC5622MWPTR PDF预览

UCC5622MWPTR

更新时间： 2024-11-08 03:16:15
品牌 Logo 应用领域
德州仪器 - TI 总线通信驱动程序和接口接口集成电路光电二极管信息通信管理
页数 文件大小 规格书
5页 289K
描述
27 - Line SCSI Terminator With Split Disconnect

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中文翻译

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UCC5622MWPTR 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Obsolete零件包装代码：SSOP
包装说明：GREEN, PLASTIC, SSOP-28针数：44
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.73Is Samacsys：N
差分输出：NO接口集成电路类型：SCSI BUS TERMINATOR
JESD-30 代码：R-PDSO-G44长度：17.905 mm
功能数量：1信号线数量：27
端子数量：44最高工作温度：70 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装等效代码：SOP44,.4,32
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED电源：5 V
标称上拉电阻：110 Ω认证状态：Not Qualified
座面最大高度：2.64 mm子类别：Bus Terminators
最大供电电压：7 V最小供电电压：4 V
标称供电电压：4.75 V表面贴装：YES
技术：BICMOS温度等级：COMMERCIAL
端子形式：GULL WING端子节距：0.8 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7.5 mmBase Number Matches：1

UCC5622MWPTR 数据手册

 浏览型号UCC5622MWPTR的Datasheet PDF文件第2页浏览型号UCC5622MWPTR的Datasheet PDF文件第3页浏览型号UCC5622MWPTR的Datasheet PDF文件第4页浏览型号UCC5622MWPTR的Datasheet PDF文件第5页 
UCC5622  
27 - Line SCSI Terminator With Split Disconnect  
FEATURES  
DESCRIPTION  
• Complies with SCSI, SCSI-2, SCSI-3, The UCC5622 provides 27 lines of active termination for a SCSI (Small  
SPI and FAST-20 (Ultra) Standards  
Computer Systems Interface) parallel bus. The SCSI standard recom-  
mends active termination at both ends of the cable.  
• 2.5pF Channel Capacitance During  
Disconnect  
The UCC5622 is ideal for high performance 5V SCSI systems. During dis-  
connect the supply current is typically only 100µA, which makes the IC at-  
tractive for lower powered systems.  
• 100µA Supply Current in Disconnect  
Mode  
The UCC5622 features a split disconnect allowing the user to control termi-  
nation lines 10 to 27 with disconnect one, DISCNCT1, and control terminia-  
tion lines 1 to 9 with disconnect two, DISCNCT2.  
• 4V To 7V Operation  
• 110Ω Termination  
The UCC5622 is designed with a low channel capacitance of 2.5pF, which  
eliminates effects on signal integrity from disconnected terminators at in-  
terim points on the bus.  
• Completely Meets SCSI Hot Plugging  
• –900mA Sourcing Current for  
Termination  
The power amplifier output stage allows the UCC5622 to source full termi-  
nation current and sink active negation current when all termination lines  
are actively negated.  
• +500mA Sinking Current for Active  
Negation  
• Logic Command Disconnects all  
Termination Lines  
The UCC5622, as with all Unitrode terminators, is completely hot plugga-  
ble and appears as high impedance at the teminating channels with  
V
= 0V or open.  
TRMPWR  
• Split Disconnect Controls Lines 1 to 9  
and 10 to 27 Separately  
Internal circuit trimming is utilized, first to trim the 110Ω impedance, and  
then most importantly, to trim the output current as close to the maximum  
SCSI-3 specification as possible, which maximizes noise margin in FAST-  
20 SCSI operation.  
• Trimmed Impedance to 5%  
• Current Limit and Thermal Shutdown  
Protection  
(continued)  
BLOCK DIAGRAM  
UDG-96113  
Circuit Design Patented  
10/98  
12345

中文翻译

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UCC5622MWPTR 替代型号

型号 品牌 替代类型 描述 数据表
UCC5622MWP TI

完全替代

 27 - Line SCSI Terminator With Split Disconnect

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