DS2120B

Ultra3 LVD SCSI端接器


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说明

Ultra3 LVD SCSI终端匹配电路DS2120是一款低电压差分(LVD)的端接器。如果设备仅连接到LVD总线上,则DS2120仅使用LVD终端匹配。如果任何单端(SE)或者高电压差分(HVD)器件连接到总线上,则DS2120从总线上断开连接。芯片内部通过检测SCSI总线上的DIFFSENS线电压来自动完成上述功能。

对于LVD终端匹配,DS2120集成了两路带有9个精密电阻串的电流源。对于宽SCSI总线,需要使用3片DS2120端接器。

关键特性

  • 完全符合Ultra3, Ultra160, Ultra320和Ultra2 (仅LVD)规范SCSI
  • 为9对信号线提供低电压差分(LVD)端接器
  • 零温度系数终端匹配电阻
  • 自动选择LVD终端匹配
  • 5%的LVD终端匹配电阻误差
  • 极低的3pF断电电容
  • 内置模式更改滤波/延时
  • 片内热关断电路
  • 热插拔兼容于SCSI总线
  • 应用

    • 网络存储(NAS)系统
    • RAID系统
    • SCSI线缆
    • SCSI主机总线适配器(HBA)卡
    • 服务器
    • 存储局域网(SAN)
    申请可靠性报告: DS2120B 
    型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

    备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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