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UCC5618QP PDF预览

UCC5618QP

更新时间: 2024-11-19 12:05:55
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
9页 748K
描述
18-Line SCSI Terminator

UCC5618QP 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QLCC
包装说明:QCCJ, LDCC28,.5SQ针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:5.63差分输出:NO
接口集成电路类型:SCSI BUS TERMINATORJESD-30 代码:S-PQCC-J28
JESD-609代码:e4长度:11.5062 mm
湿度敏感等级:3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: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):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:4.57 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:BICMOS
温度等级:COMMERCIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
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:11.5062 mmBase Number Matches:1

UCC5618QP 数据手册

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UCC5618  
18-Line SCSI Terminator  
FEATURES  
DESCRIPTION  
Complies with SCSI, SCSI-2, SCSI-3, The UCC5618 provides 18 lines of active termination for a SCSI (Small  
SPI and FAST-20 Standards  
Computers Systems Interface) parallel bus. The SCSI standard recom-  
mends and Fast-20 (Ultra) requires active termination at both ends of the  
cable.  
2pF Channel Capacitance During  
Disconnect  
Pin for pin compatible with the UC5601 and UC5608, the UCC5618 is ideal  
for high performance 5V SCSI systems, Termpwr 4.0-5.25V. During discon-  
nect the supply current is only 50µA typical, which makes the IC attractive  
for lower powered systems.  
50µA Supply Current in Disconnect  
Mode  
110Termination  
SCSI Hot Plugging Compliant, 10nA  
Typical  
The UCC5618 is designed with a low channel capacitance of 2pF, which  
eliminates effects on signal integrity from disconnected terminators at in-  
terim points on the bus.  
+400mA Sinking Current for Active  
Negation  
The power amplifier output stage allows the UCC5618 to source full termi-  
nation current and sink active negation current when all termination lines  
are actively negated.  
–650mA Sourcing Current for  
Termination  
The UCC5618, as with all Unitrode terminators, is completely hot pluggable  
and appears as high impedance at the terminating channels with  
TRMPWR=0V or open.  
Trimmed Impedance to 5%  
Thermal Shutdown  
Current Limit  
Internal circuit trimming is utilized, first to trim the 110impedance, and  
then most importantly, to trim the output current as close to the max  
SCSI-3 spec as possible, which maximizes noise margin in fast SCSI op-  
eration.  
This device is offered in low thermal resistance versions of the industry  
standard 28 pin wide body SOIC, TSSOP and PLCC.  
BLOCK DIAGRAM  
UDG-96005-1  
Patented Circuit Design  
6/98  

UCC5618QP 替代型号

型号 品牌 替代类型 描述 数据表
UCC5618QPTR TI

完全替代

18-Line SCSI Terminator
UCC5618PWPTR TI

完全替代

18-Line SCSI Terminator
UCC5618PWP TI

完全替代

18-Line SCSI Terminator

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