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DS1345AB

1024k Nonvolatile SRAM with Battery Monitor

DESCRIPTION TheDS13451024kNVSRAMsare1,048,576-bit,fullystatic,NVSRAMsorganizedas131,072wordsby8bits.EachNVSRAMhasaself-containedlithiumenergysourceandcontrolcircuitrywhichconstantlymonitorsVCCforanout-of-tolerancecondition.Whensuchaconditionoccurs,theli

DS1345AB

1024k非易失SRAM，帶有電池監(jiān)測器; ·在沒有外部電源的情況下最少可以保存數(shù)據(jù)10年\n·掉電期間數(shù)據(jù)被自動保護\n·當VCC電壓跌落時，電源監(jiān)視器能夠復(fù)位處理器、并在VCC上升期間持續(xù)保持處理器的復(fù)位狀態(tài)\n·電池監(jiān)視器核查剩余電量\n·100ns的讀寫存取時間 \n·沒有寫次數(shù)限制\n·典型待機電流50μA\n·可升級128k x 8 SRAM、EEPROM或閃存\n·第一次上電前，鋰電池與電路斷開、維持保鮮狀態(tài)\n·±10% VCC工作范圍(DS1345Y)或±5% VCC工作范圍(DS1345AB)\n·可選的-40°C至+85°C工業(yè)級溫度范圍，指定為IND\n·PowerCap模塊(PCM)封裝\n·表面貼裝模塊\n·可更換的即時安裝PowerCap提供備份鋰電池 \n·所有NV SRAM器件提供標準引腳 \n·分離的PowerCap用常規(guī)的螺絲起子便可方便拆卸;

DS1345 1024k非易失(NV) SRAM為1,048,576位、全靜態(tài)非易失SRAM，按照8位、131,072字排列。每個NV SRAM均自帶鋰電池及控制電路，控制電路連續(xù)監(jiān)視VCC是否超出容差范圍，一旦超出容差范圍，鋰電池便自動切換至供電狀態(tài)、寫保護將無條件使能、防止數(shù)據(jù)被破壞。此外，DS1345器件具有監(jiān)視VCC狀態(tài)和內(nèi)部鋰電池狀態(tài)的專用電路。PowerCap模塊封裝的DS1345器件可以直接表面貼安裝、通常與DS9034PC PowerCap配合構(gòu)成一個完整的非易失SRAM模塊?？捎脕硖娲?28k x 8 SRAM、EEPROM或閃存器件。

DS1345AB-100

1024k Nonvolatile SRAM with Battery Monitor

DESCRIPTION TheDS13451024kNonvolatileSRAMsare1,048,576-bit,fullystatic,nonvolatileSRAMsorganizedas131,072wordsby8bits.EachNVSRAMhasaself-containedlithiumenergysourceandcontrolcircuitrywhichconstantlymonitorsVCCforanout-of-tolerancecondition.Whensuchacondit

DS1345AB-70

1024k Nonvolatile SRAM with Battery Monitor

DESCRIPTION TheDS13451024kNonvolatileSRAMsare1,048,576-bit,fullystatic,nonvolatileSRAMsorganizedas131,072wordsby8bits.EachNVSRAMhasaself-containedlithiumenergysourceandcontrolcircuitrywhichconstantlymonitorsVCCforanout-of-tolerancecondition.Whensuchacondit

DS1345ABA-100

1024k Nonvolatile SRAM with Battery Monitor

DESCRIPTION TheDS13451024kNVSRAMsare1,048,576-bit,fullystatic,NVSRAMsorganizedas131,072wordsby8bits.EachNVSRAMhasaself-containedlithiumenergysourceandcontrolcircuitrywhichconstantlymonitorsVCCforanout-of-tolerancecondition.Whensuchaconditionoccurs,theli

DS1345ABA-100-IND

1024k Nonvolatile SRAM with Battery Monitor

DESCRIPTION TheDS13451024kNVSRAMsare1,048,576-bit,fullystatic,NVSRAMsorganizedas131,072wordsby8bits.EachNVSRAMhasaself-containedlithiumenergysourceandcontrolcircuitrywhichconstantlymonitorsVCCforanout-of-tolerancecondition.Whensuchaconditionoccurs,theli

DS1345ABA-70

1024k Nonvolatile SRAM with Battery Monitor

DESCRIPTION TheDS13451024kNVSRAMsare1,048,576-bit,fullystatic,NVSRAMsorganizedas131,072wordsby8bits.EachNVSRAMhasaself-containedlithiumenergysourceandcontrolcircuitrywhichconstantlymonitorsVCCforanout-of-tolerancecondition.Whensuchaconditionoccurs,theli

DS1345ABA-70-IND

1024k Nonvolatile SRAM with Battery Monitor

DESCRIPTION TheDS13451024kNVSRAMsare1,048,576-bit,fullystatic,NVSRAMsorganizedas131,072wordsby8bits.EachNVSRAMhasaself-containedlithiumenergysourceandcontrolcircuitrywhichconstantlymonitorsVCCforanout-of-tolerancecondition.Whensuchaconditionoccurs,theli

DS1345ABB-100

1024k Nonvolatile SRAM with Battery Monitor

DESCRIPTION TheDS13451024kNVSRAMsare1,048,576-bit,fullystatic,NVSRAMsorganizedas131,072wordsby8bits.EachNVSRAMhasaself-containedlithiumenergysourceandcontrolcircuitrywhichconstantlymonitorsVCCforanout-of-tolerancecondition.Whensuchaconditionoccurs,theli

DS1345ABB-100-IND

1024k Nonvolatile SRAM with Battery Monitor

DESCRIPTION TheDS13451024kNVSRAMsare1,048,576-bit,fullystatic,NVSRAMsorganizedas131,072wordsby8bits.EachNVSRAMhasaself-containedlithiumenergysourceandcontrolcircuitrywhichconstantlymonitorsVCCforanout-of-tolerancecondition.Whensuchaconditionoccurs,theli