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UC5608DWP/81168 PDF预览

UC5608DWP/81168

更新时间: 2024-11-08 19:49:55
品牌 Logo 应用领域
德州仪器 - TI 光电二极管接口集成电路
页数 文件大小 规格书
5页 243K
描述
Lower Capacitance 18-Line 5V SE Terminator for SCSI and Fast SCSI 28-SOIC 0 to 70

UC5608DWP/81168 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP, SOP28,.4针数:28
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.73
差分输出:NO接口集成电路类型:SCSI BUS TERMINATOR
JESD-30 代码:R-PDSO-G28长度:17.9 mm
功能数量:1信号线数量:18
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:SOP封装等效代码:SOP28,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
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:2.65 mm子类别:Bus Terminators
最大供电电压:5.25 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:BIPOLAR温度等级:COMMERCIAL
端子形式:GULL WING端子节距:1.27 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

UC5608DWP/81168 数据手册

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UC5608  
18-Line Low Capacitance SCSI Active Terminator  
FEATURES  
DESCRIPTION  
Complies with SCSI, SCSI-2 and SPI-2  
Standards  
The UC5608 provides 18 lines of active termination for a SCSI (Small  
Computer Systems Interface) parallel bus. The SCSI standard recom-  
mends active termination at both ends of the bus cable.  
6pF Channel Capacitance during  
Disconnect  
The UC5608 is pin-for-pin compatible with its predecessors, the  
UC5601 and UC5602 - 18 Line Active Terminator. Parametrically the  
UC5608 has a 5% tolerance on impedance and current compared to a  
3% tolerance on the UC5601 and the sink current is increased from  
20 to 200mA. The low side clamps have been removed. Custom  
power packages are utilized to allow normal operation at full power  
conditions (2 Watts).  
100µA Supply Current in Disconnect  
Mode  
Meets SCSI Hot Plugging Capability  
650mA Sourcing Current for  
Termination  
When in disconnect mode the terminator will disconnect all terminat-  
ing resistors and disable the regulator, greatly reducing standby  
power. The output channels remain high impedance even without  
Termpwr applied.  
+200mA Sinking Current for Active  
Negation  
Provides Active Termination for 18 Lines  
Internal circuit trimming is utilized to trim the impedance to a 5% toler-  
ance and, most importantly, to trim the output current to a 5% toler-  
ance, as close to the max SCSI spec as possible, which maximizes  
noise margin in fast SCSI operation.  
Logic Command Disconnects all  
Termination Lines  
Trimmed Termination Current to 5%  
Trimmed Impedance to 5%  
Other features include 4.0 to 5.25V Termpwr, thermal shutdown and  
current limit.  
Current Limit and Thermal Shutdown  
Protection  
This device is offered in low thermal resistance versions of the indus-  
try standard 28 pin wide body SOIC, 28 pin wide body TSSOP, and 28  
pin PLCC, as well as 24 pin DIP.  
BLOCK DIAGRAM  
UDG-94047  
Circuit Design Patented  
3/97  

UC5608DWP/81168 替代型号

型号 品牌 替代类型 描述 数据表
UCC5614DP TI

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UC5601DWP TI

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