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UCC5620MWPG4 PDF预览

UCC5620MWPG4

更新时间： 2024-09-20 20:00:07
品牌 Logo 应用领域
德州仪器 - TI 信息通信管理光电二极管接口集成电路
页数 文件大小 规格书
7页 200K
描述
27-LINE 110ohm SCSI BUS TERMINATOR, PDSO36, GREEN, PLASTIC, SSOP-36

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中文翻译

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UCC5620MWPG4 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：SSOP, SOP36,.4,32针数：36
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.77
差分输出：NO接口集成电路类型：SCSI BUS TERMINATOR
JESD-30 代码：R-PDSO-G36JESD-609代码：e4
长度：15.385 mm湿度敏感等级：1
功能数量：1信号线数量：27
端子数量：36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：SOP36,.4,32
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：260电源：4.75 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
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)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 mm
Base Number Matches：1

UCC5620MWPG4 数据手册

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UCC5620  
27-Line SCSI Terminator  
FEATURES  
DESCRIPTION  
• Complies with SCSI, SCSI-2, SCSI-3,  
UCC5620 provides 27 lines of active termination for a SCSI (Small Com-  
puter Systems Interface) parallel bus. The SCSI standard recommends  
active termination at both ends of the cable.  
SPI and FAST-20 (Ultra) Standards  
• 2.5pF Channel Capacitance during  
Disconnect  
The UCC5620 is ideal for high performance 5V SCSI systems. During  
disconnect the supply current is typically only 100µA, which makes the IC  
attractive for lower powered systems.  
• 100mA Supply Current in Disconnect  
Mode  
The UCC5620 is designed with a low channel capacitance of 2.5pF,  
which eliminates effects on signal integrity from disconnected terminators  
at interim points on the bus.  
• 4V To 7V Operation  
• 110 Termination  
The power amplifier output stage allows the UCC5620 to source full ter-  
mination current and sink active negation current when all termination  
lines are actively negated.  
• Completely Meets SCSI Hot Plugging  
• –900mA Sourcing Current for  
Termination  
The UCC5620, as with all Unitrode terminators, is completely hot plugga-  
ble and appears as high impedance at the teminating channels with  
VTRMPWR = 0V or open.  
• +500mA Sinking Current for Active  
Negation  
• Logic Command Disconnects all  
Internal circuit trimming is utilized, first to trim the 110 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  
SCSI operation.  
Termination Lines  
• Trimmed Impedance to 5%  
• Current Limit and Thermal Shutdown  
Protection  
Other features include thermal shutdown and current limit. This device is  
offered in low thermal resistance versions of the industry standard 36-Pin  
Wide Body QSOP (MWP).  
Consult QSOP-36 packaging diagram for exact dimensions.  
BLOCK DIAGRAM  
UDG-96109  
Circuit Design Patented  
SLUS287B - OCTOBER 1999 - REVISED APRIL 2002  
1234567

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