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MAX707

Low-Cost, uP Supervisory Circuits

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

MAX707

UP Supervisory Circuits

TheMAX707/708arecost?effectivesystemsupervisorcircuitsdesignedtomonitorVCCindigitalsystemsandprovidearesetsignaltothehostprocessorwhennecessary.Noexternalcomponentsarerequired. Theresetoutputisdrivenactivewithin20secofVCCfallingthroughtheresetvoltageth

MAX707

低成本、微處理器監(jiān)控電路; ? 監(jiān)控功能集成顯著提高了系統(tǒng)可靠性，同時縮小了電路板空間\n? μMAX封裝\n\n? VCC = 1V 時確保低電平有效RESET有效\n? 復(fù)位脈沖寬度：200ms\n\n? 去抖TTL/CMOS兼容手動復(fù)位輸入\n\n? 高電平有效復(fù)位輸出(MAX707/MAX708/MAX813L)\n\n\n\n\n? 精密電源電壓監(jiān)控器\n? 4.65V (MAX705/MAX707/MAX813L)\n\n? 4.40V (MAX706/MAX708)\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;

MAX705–MAX708/MAX813L微處理器(μP)監(jiān)控電路減少了監(jiān)控μP系統(tǒng)中的電源和電池功能所需的復(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 MAX705/MAX706/MAX813L提供四種功能：\n\n啟動、關(guān)斷和掉電情況下的復(fù)位輸出。如果看門狗輸入在1.6秒內(nèi)未切換，則獨立看門狗輸出會變?yōu)榈碗娖健?.25V閾值檢測器，用于電源故障警告、低電池電量檢測或+5V以外電源的監(jiān)控。一個低電平有效手動復(fù)位輸入。 MAX707/MAX708將看門狗定時器替換為高電平有效復(fù)位，除此之外與MAX705/MAX706相同。MAX813L提供RESET而不是低電平有效RESET，除此之外與MAX705相同。 \n\n提供兩個電源電壓監(jiān)控電平：MAX705/MAX707/MAX813L在電源電壓降至4.65V以下時產(chǎn)生復(fù)位脈沖，而MAX706/MAX708在電源電壓降至4.40V以下時產(chǎn)生復(fù)位脈沖。所有四個器件均采用8引腳DIP、SO和 μMAX?封裝。 ?\n\n

MAX707

UP Supervisory Circuits;

MAX707

Low-Cost, μP Supervisory Circuits

MAX707C/D

Low-Cost, uP Supervisory Circuits

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

MAX707CPA

Low-Cost, uP Supervisory Circuits

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

MAX707CSA

Low-Cost, uP Supervisory Circuits

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

MAX707CSLASHD

Low-Cost, uP Supervisory Circuits

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

MAX707CUA

Low-Cost, uP Supervisory Circuits

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