18 位 SCSI 端接器

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概览

MCCS142236™ 是一款精确 18 位可开关有源 SCSI–2 总线端接器,带板上 2.85V 稳压器。根据下面的数据表,当断开引脚为低电平时,MCCS142236™ 提供上拉至 2.85V 参考的 110Ω +/- 5% 精确电阻,用于在 SCSI–2 标准总线系统接口中端接 18 位。当断开为高电平时,该器件输出在所有 18 位上均为高阻抗状态。稳压器也关断,大幅降低待机功耗。即使不应用任何 Termpwr,输出仍然保持高阻抗状态。

  • Complies With SCSI and SCSI-2 Standards
  • Pin Compatible With UC5601, UC5602 and UC5608
  • For Opposite Disconnect Polarity See ON Semiconductor’s MCCS142238
  • 18 Switchable 110W Terminating Resistors
  • 4pF Channel Capacitance During Disconnect
  • Fully Supports Active Negation (Sinks Minimum of 220mA)
  • Built-In 2.85V Regulator With Low Dropout Voltage
  • Very Low Supply Current When Resistors Are Disabled (30mA Max)
  • -650mA Source Current
  • Thermal Shutdown Protection
  • Thin Profile Surface Mount Package: 28–Lead SOIC

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