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UC5603QP PDF预览

UC5603QP

更新时间： 2024-11-08 13:02:39
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
5页 257K
描述
9-LINE 110ohm SCSI BUS TERMINATOR, PQCC28, PLASTIC, LCC-28

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中文翻译

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UC5603QP 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：QCCJ, LDCC28,.5SQReach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：1 week风险等级：5.79
差分输出：NO接口集成电路类型：SCSI BUS TERMINATOR
JESD-30 代码：S-PQCC-J28长度：11.505 mm
功能数量：1信号线数量：9
端子数量：28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：QCCJ封装等效代码：LDCC28,.5SQ
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
标称上拉电阻：110 Ω认证状态：Not Qualified
座面最大高度：4.57 mm子类别：Bus Terminators
最大供电电压：5.25 V最小供电电压：3.8 V
标称供电电压：4.75 V表面贴装：YES
技术：BIPOLAR温度等级：COMMERCIAL
端子形式：J BEND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
宽度：11.505 mmBase Number Matches：1

UC5603QP 数据手册

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UC5603  
9-Line SCSI Active Terminator  
FEATURES  
DESCRIPTION  
•
•
•
Complies with SCSI, SCSI-2 and  
SPI-2 Standards  
The UC5603 provides 9 lines of active termination for a SCSI (Small Comput-  
ers Systems Interface) parallel bus. The SCSI standard recommends active  
termination at both ends of the cable segment.  
6pF Channel Capacitance during  
Disconnect  
The UC5603 provides a disconnect feature which, when opened or driven  
high, will disconnect all terminating resistors, and disables the regulator;  
greatly reducing standby power. The output channels remain high impedance  
even without Termpwr applied. A low channel capacitance of 6pF allows units  
at interim points of the bus to have little to no effect on the signal integrity.  
100µA Supply Current in  
Disconnect Mode  
•
•
Meets SCSI Hot Plugging  
Functionally the UC5603 is similar to its predecessor, the UC5601 - 18 line  
Active Terminator. Several electrical enhancements were incorporated in the  
UC5603, such as a sink/source regulator output stage to accommodate all  
signal lines at +5V, while the regulator remains at its nominal value, reduced  
channel capacitance to 6pF typical, and as with the UC5601, custom power  
packages are utilized to allow normal operation at full power conditions (1.2  
watts).  
-400mA Sourcing Current for  
Termination  
•
•
•
+400mA Sinking Current for  
Active Negation Drivers  
Logic Command Disconnects all  
Termination Lines  
Trimmed Termination Current to  
3%  
Internal circuit trimming is utilized, first to trim the impedance to a 3% toler-  
ance, and then most importantly, to trim the output current to a 3% tolerance,  
as close to the max SCSI spec as possible, which maximizes noise margin in  
fast SCSI operation.  
•
•
Trimmed Impedance to 3%  
Negative Clamping on all Signal  
Lines  
Other features include negative clamping on all signal lines to protect exter-  
nal circuitry from latch-up, thermal shutdown and current limit.  
•
Current Limit and Thermal  
Shutdown Protection  
This device is offered in low thermal resistance versions of the industry stand-  
ard 16 pin narrow body SOIC, 16 pin ZIP (zig-zag in line package) and 24 pin  
TSSOP.  
BLOCK DIAGRAM  
UDG-94049  
Circuit Design Patented  
3/97  
12345

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UC5603QP 替代型号

型号 品牌 替代类型 描述 数据表
UCC5614DP TI

功能相似

 9-LINE 3 TO 5 VOLT LOW CAPACITANCE SCSI ACTIVE TERMINATOR
UC5601QP TI

功能相似

 SCSI Active Terminator
UC5601DWP TI

功能相似

 SCSI Active Terminator

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UC5603QPTR TI

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 		9-LINE SCSI ACTIVE TERMINATOR
UC5603Z TI

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 		9-LINE 110ohm SCSI BUS TERMINATOR, PZIP16, ZIP-16
UC5604 TI

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 		9-Line Low Capacitance SCSI Active Terminator
UC5604DP TI

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 		Cost Reduced 9-Line 5V Terminator for SCSI and Fast SCSI 16-SOIC 0 to 70
UC5604DPTR TI

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 		Cost Reduced 9-Line 5V Terminator for SCSI and Fast SCSI 16-SOIC 0 to 70
UC5604J TI

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 		9-LINE 110ohm SCSI BUS TERMINATOR, CDIP16, CERAMIC, DIP-16
UC5604N TI

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 		Cost Reduced 9-Line 5V Terminator for SCSI and Fast SCSI 16-PDIP 0 to 70
UC5604PWP ETC

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 		Terminator
UC5604QP TI

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 		Cost Reduced 9-Line 5V Terminator for SCSI and Fast SCSI 28-PLCC 0 to 70
UC5604QPTR TI

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 		Cost Reduced 9-Line 5V Terminator for SCSI and Fast SCSI 28-PLCC 0 to 70

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