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UC5605Z PDF预览

UC5605Z

更新时间: 2024-11-08 20:04:11
品牌 Logo 应用领域
德州仪器 - TI 接口集成电路
页数 文件大小 规格书
5页 243K
描述
9-LINE 110ohm SCSI BUS TERMINATOR, PZIP16, POWER, ZIP-16

UC5605Z 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:ZIP
包装说明:ZIP, ZIP16,.11针数:16
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.92
差分输出:NO接口集成电路类型:SCSI BUS TERMINATOR
JESD-30 代码:R-PZIP-T16长度:19.5 mm
功能数量:1信号线数量:9
端子数量:16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:ZIP封装等效代码:ZIP16,.11
封装形状:RECTANGULAR封装形式:IN-LINE
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:7.5 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:NO
技术:BIPOLAR温度等级:COMMERCIAL
端子形式:THROUGH-HOLE端子节距:1.27 mm
端子位置:ZIG-ZAG处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:2.8 mmBase Number Matches:1

UC5605Z 数据手册

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UC5605  
9-Line Low Capacitance SCSI Active Terminator  
FEATURES  
DESCRIPTION  
Reverse Disconnect  
The UC5605 provides 9 lines of active termination for a SCSI (Small Computer  
Systems Interface) parallel bus. The SCSI standard recommends active termi-  
nation at both ends of the cable segment.  
Complies with SCSI, SCSI-2  
and SPI-2 Standards  
The only functional differences between the UC5603 and UC5605 is the ab-  
sence of the negative clamps on the output lines and the disconnect input must  
be at a logic-low for the terminating resistors to be disconnected. Parametri-  
cally, the UC5605 has a 5% tolerance on impedance and current compared to  
a 3% tolerance on the UC5603. Custom power packages are utilized to allow  
normal operation at full power (2 Watts).  
5pF Channel Capacitance  
during Disconnect  
Hot Plugging Capability  
400mA Sourcing Current for  
Termination  
The UC5605 provides a disconnect feature which, when driven low, discon-  
nects all terminating resistors, disables the regulator and greatly reduces  
standby power consumption. The output channels remain high impedance even  
without Termpwr applied. A low channel capacitance of 5pF allows interim  
points of the bus to have little to no effect on the signal integrity.  
+100mA Sinking Current for  
Active Negation  
1V Dropout Voltage Regulator  
100µA Supply Current in  
Internal circuit trimming is utilized, first to trim the impedance to a 5% tolerance,  
and then most importantly, to trim the output current to a 5% tolerance, as close  
to the maximum SCSI specification as possible. This maximizes the noise mar-  
gin in fast SCSI operation. Other features include thermal shutdown and cur-  
rent limit.  
Disconnect Mode  
Trimmed Termination Current  
to 5%  
Trimmed Impedance to 5%  
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.  
Low Thermal Resistance  
Surface Mount Packages  
BLOCK DIAGRAM  
UDG-94122  
Circuit Design Patented  
3/97  

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