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MAX708S

監(jiān)視+3V電壓、低成本、微處理器監(jiān)控電路; ? μMAX封裝，小型8引腳SO封裝\n\n? 精密電源電壓監(jiān)控器\n? 2.63V（MAX706P/R、MAX706AP/AR和MAX708R）\n\n? 2.93V（MAX706S、MAX706AS和MAX708S）\n\n? 3.08V（MAX706T、MAX706AT和MAX708T）\n\n\n\n\n? 復(fù)位時間延遲：200ms\n\n? 去抖TTL/CMOS兼容手動復(fù)位輸入\n\n? 靜態(tài)電流：100μA\n\n? WDI禁用特性(MAX706AP/AR/AS/AT)\n\n? 看門狗定時器：1.6s超時\n\n? 復(fù)位輸出信號：\n? 僅高電平有效（MAX706P、MAX706AP）\n\n? 僅低電平有效（MAX706R/S/T、MAX706AR/AS/AT）\n\n? 高電平有效和低電平有效(MAX708R/S/T)\n\n\n\n\n? 電壓監(jiān)控器，監(jiān)控有無電源故障或低電池電量警告\n\n? 8引腳表貼封裝\n\n? 低至VCC = 1V時確保低電平有效RESET置位;

MAX706P/R/S/T、MAX706AP/AR/AS/AT和MAX708R/S/T微處理器(μP)監(jiān)控電路減少了監(jiān)控5V μP系統(tǒng)中的+3V至+3V電源電平所需的復(fù)雜性和元件數(shù)量。與單獨的IC或分立元件相比，這些器件顯著提高了系統(tǒng)的可靠性和準確性。\n\n MAX706P/R/S/T和MAX706AP/AR/AS/AT監(jiān)控電路提供以下四個功能：\n\n 1) 啟動、關(guān)斷和掉電情況下的復(fù)位輸出。 2) 如果看門狗輸入在1.6秒內(nèi)未觸發(fā)，則獨立看門狗輸出會變?yōu)榈碗娖健? 3) 1.25V閾值檢測器，用于電源故障警告、低電池電量檢測或用于監(jiān)控主電源以外的電源。 4) 一個低電平有效的手動復(fù)位輸入。 MAX706R/AR、MAX706S/AS和MAX706T/AT之間只有復(fù)位閾值電壓電平有所不同，分別為2.63V、2.93V和3.08V。所有器件都具有低電平有效復(fù)位輸出信號。除了復(fù)位輸出信號為高電平有效外，MAX706P/AP與MAX706R/AR相同。當WDI輸入懸空或連接到低漏電三態(tài)輸出的高阻態(tài)時，MAX706AP/AR/AS/AT的看門狗定時器功能禁用。\n\n MAX708R/S/T提供的功能與MAX706R/S/T和MAX706AR/AS/AT相同，只它們沒有看門狗定時器，而是提供低電平有效RESET和RESET輸出。與MAX706一樣，帶有R、S和T后綴的器件的復(fù)位閾值分別為2.63V、2.93V和3.08V。\n\n 這些器件采用8引腳SO、DIP和μMAX?封裝，并在整個溫度范圍內(nèi)提供額定性能。\n\n ?\n\n

MAX708S

3V Voltage Monitoring, Low-Cost uP Supervisory Circuits

MAX708SCPA

3V Voltage Monitoring, Low-Cost, 關(guān)P Supervisory Circuits

GeneralDescription TheMAX705–MAX708/MAX813Lmicroprocessor(μP)supervisorycircuitsreducethecomplexityandnumberofcomponentsrequiredtomonitorpower-supplyandbatteryfunctionsinμPsystems.ThesedevicessignifcantlyimprovesystemreliabilityandaccuracycomparedtoseparateICso

MAX708SCSA

3V Voltage Monitoring, Low-Cost, 關(guān)P Supervisory Circuits

GeneralDescription TheMAX705–MAX708/MAX813Lmicroprocessor(μP)supervisorycircuitsreducethecomplexityandnumberofcomponentsrequiredtomonitorpower-supplyandbatteryfunctionsinμPsystems.ThesedevicessignifcantlyimprovesystemreliabilityandaccuracycomparedtoseparateICso

MAX708SCUA

3V Voltage Monitoring, Low-Cost, 關(guān)P Supervisory Circuits

GeneralDescription TheMAX705–MAX708/MAX813Lmicroprocessor(μP)supervisorycircuitsreducethecomplexityandnumberofcomponentsrequiredtomonitorpower-supplyandbatteryfunctionsinμPsystems.ThesedevicessignifcantlyimprovesystemreliabilityandaccuracycomparedtoseparateICso

MAX708SCUA-T

UP Supervisory Circuits

TheMAX707/708arecost?effectivesystemsupervisorcircuitsdesignedtomonitorVCCindigitalsystemsandprovidearesetsignaltothehostprocessorwhennecessary.Noexternalcomponentsarerequired. Theresetoutputisdrivenactivewithin20secofVCCfallingthroughtheresetvoltageth

MAX708SCUA-TG

UP Supervisory Circuits

TheMAX707/708arecost?effectivesystemsupervisorcircuitsdesignedtomonitorVCCindigitalsystemsandprovidearesetsignaltothehostprocessorwhennecessary.Noexternalcomponentsarerequired. Theresetoutputisdrivenactivewithin20secofVCCfallingthroughtheresetvoltageth

MAX708SEPA

3V Voltage Monitoring, Low-Cost, 關(guān)P Supervisory Circuits

GeneralDescription TheMAX705–MAX708/MAX813Lmicroprocessor(μP)supervisorycircuitsreducethecomplexityandnumberofcomponentsrequiredtomonitorpower-supplyandbatteryfunctionsinμPsystems.ThesedevicessignifcantlyimprovesystemreliabilityandaccuracycomparedtoseparateICso

MAX708SESA

3V Voltage Monitoring, Low-Cost, 關(guān)P Supervisory Circuits

GeneralDescription TheMAX705–MAX708/MAX813Lmicroprocessor(μP)supervisorycircuitsreducethecomplexityandnumberofcomponentsrequiredtomonitorpower-supplyandbatteryfunctionsinμPsystems.ThesedevicessignifcantlyimprovesystemreliabilityandaccuracycomparedtoseparateICso

MAX708SESA-T

UP Supervisory Circuits

TheMAX707/708arecost?effectivesystemsupervisorcircuitsdesignedtomonitorVCCindigitalsystemsandprovidearesetsignaltothehostprocessorwhennecessary.Noexternalcomponentsarerequired. Theresetoutputisdrivenactivewithin20secofVCCfallingthroughtheresetvoltageth