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MAX681

5V to ?10V Voltage Converters

GeneralDescription TheMAX680/MAX681aremonolithic,CMOS,dualcharge-pumpvoltageconvertersthatprovide±10Voutputsfroma+5Vinputvoltage.TheMAX680/MAX681providebothapositivestep-upchargepumptodevelop+10Vfrom+5Vinputandaninvertingchargepumptogeneratethe-10Voutput

MAX6814

5引腳、看門狗定時(shí)器電路; ? 4μA工作電流\n? 超時(shí)周期為1.6s的看門狗定時(shí)器\n? 140ms (最小值) /WDO脈沖周期\n? 推挽式、/WDO\n? 工作于整個(gè)擴(kuò)展級(jí)溫度范圍\n? 無(wú)需外部元件;

MAX6814是低功耗看門狗電路，采用5引腳SC70封裝。該器件通過(guò)監(jiān)視系統(tǒng)軟件代碼的運(yùn)行錯(cuò)誤提高系統(tǒng)的可靠性。當(dāng)看門狗輸入檢測(cè)到一個(gè)瞬變沿時(shí)，內(nèi)部看門狗定時(shí)器被清零并重新啟動(dòng)，然后重新開(kāi)始計(jì)時(shí)。如果看門狗定時(shí)器超過(guò)了看門狗超時(shí)周期(1.6s典型值)，低電平有效、推挽式看門狗輸出將被觸發(fā)并維持一個(gè)看門狗脈沖周期(140ms最小值)，向系統(tǒng)發(fā)出故障警報(bào)。\n\n MAX6814僅消耗4μA電源電流，工作于擴(kuò)展級(jí)溫度范圍。\n\n \n\n

MAX6816

±15kV ESD保護(hù)、單/雙/八通道、CMOS開(kāi)關(guān)去抖器; ? 開(kāi)關(guān)去抖器集成簡(jiǎn)化了系統(tǒng)與機(jī)械開(kāi)關(guān)的接口\n? 單電源供電：+2.7V至+5.5V\n\n? 無(wú)需外部元件\n\n? 提供單通道(MAX6816)、雙通道(MAX6817)和八通道(MAX6818)版本\n\n? 電源電流：6μA\n\n\n\n\n? 內(nèi)置保護(hù)電路了提高系統(tǒng)可靠性\n? 輸入可以超過(guò)高達(dá)±25V的電源電壓\n\n? 輸入引腳提供ESD保護(hù)\n? ±15kV——人體模型\n\n? ±8kV——IEC 1000-4-2，接觸放電\n\n? ±15kV——IEC 1000-4-2，氣隙放電\n\n\n\n\n\n\n\n? 八通道版本(MAX6818)提供直接數(shù)據(jù)總線接口\n? 三態(tài)輸出支持直接與微處理器進(jìn)行接口(MAX6818)\n\n? 開(kāi)關(guān)狀態(tài)變化輸出簡(jiǎn)化了輪詢和中斷(MAX6818)\n\n? 與'LS573 (MAX6818)引腳兼容;

MAX6816/MAX6817/MAX6818是單通道、雙通道和八通道開(kāi)關(guān)去抖器，提供機(jī)械開(kāi)關(guān)與數(shù)字系統(tǒng)的干凈接口。它們接受來(lái)自機(jī)械開(kāi)關(guān)的一個(gè)或多個(gè)抖動(dòng)輸入，并在短暫的預(yù)設(shè)驗(yàn)證延遲后產(chǎn)生干凈的數(shù)字輸出。開(kāi)關(guān)打開(kāi)和關(guān)閉時(shí)產(chǎn)生的抖動(dòng)都可消除。穩(wěn)健的開(kāi)關(guān)輸入可處理±25V電平，并具有±15kV ESD保護(hù)功能，可用于惡劣的工業(yè)環(huán)境。它們采用+2.7V至+5.5V單電源供電。欠壓鎖定電路確保輸出在上電時(shí)處于正確狀態(tài)。\n\n 單通道MAX6816和雙通道MAX6817采用SOT封裝，無(wú)需外部元件。它們具有低電源電流，因此非常適合便攜式設(shè)備應(yīng)用。\n\n MAX6818八通道開(kāi)關(guān)去抖器可用于數(shù)據(jù)總線接口。MAX6818對(duì)開(kāi)關(guān)進(jìn)行監(jiān)控并提供開(kāi)關(guān)狀態(tài)變化輸出（低電平有效CH），簡(jiǎn)化了微處理器(μP)輪詢和中斷。此外，MAX6818具有由使能（低電平有效EN）引腳控制的三態(tài)輸出，并且與LS573八通道鎖存器引腳兼容（低電平有效CH引腳除外），可輕松與數(shù)字?jǐn)?shù)據(jù)總線進(jìn)行接口。\n\n ?\n\n

MAX6816

?15kV ESD-Protected, Single/Dual/Octal, CMOS Switch Debouncers

GeneralDescription TheMAX6816/MAX6817/MAX6818aresingle,dual,andoctalswitchdebouncersthatprovidecleaninterfacingofmechanicalswitchestodigitalsystems.Theyaccept oneormorebouncinginputsfromamechanicalswitchandproduceacleandigitaloutputafterashort,presetqualif

MAX6816EUS

PLASTIC ENCAPSULATED DEVICES

DeviceDescription General TheMAX6816isasingleswitchdebouncersthatprovidecleaninterfacingofmechanicalswitchestodigitalsystems.Itacceptsoneormorebouncinginputsfromamechanicalswitchandproduceacleandigitaloutputafterashort,presetqualificationdelay.Boththesw

MAX6816EUS-T

?15kV ESD-Protected, Single/Dual/Octal, CMOS Switch Debouncers

GeneralDescription TheMAX6816/MAX6817/MAX6818aresingle,dual,andoctalswitchdebouncersthatprovidecleaninterfacingofmechanicalswitchestodigitalsystems.Theyaccept oneormorebouncinginputsfromamechanicalswitchandproduceacleandigitaloutputafterashort,presetqualif

MAX6817

?15kV ESD-Protected, Single/Dual/Octal, CMOS Switch Debouncers

GeneralDescription TheMAX6816/MAX6817/MAX6818aresingle,dual,andoctalswitchdebouncersthatprovidecleaninterfacingofmechanicalswitchestodigitalsystems.Theyaccept oneormorebouncinginputsfromamechanicalswitchandproduceacleandigitaloutputafterashort,presetqualif

MAX6817EUT-T

?15kV ESD-Protected, Single/Dual/Octal, CMOS Switch Debouncers

GeneralDescription TheMAX6816/MAX6817/MAX6818aresingle,dual,andoctalswitchdebouncersthatprovidecleaninterfacingofmechanicalswitchestodigitalsystems.Theyaccept oneormorebouncinginputsfromamechanicalswitchandproduceacleandigitaloutputafterashort,presetqualif

MAX6818

?15kV ESD-Protected, Single/Dual/Octal, CMOS Switch Debouncers

GeneralDescription TheMAX6816/MAX6817/MAX6818aresingle,dual,andoctalswitchdebouncersthatprovidecleaninterfacingofmechanicalswitchestodigitalsystems.Theyaccept oneormorebouncinginputsfromamechanicalswitchandproduceacleandigitaloutputafterashort,presetqualif

MAX6818EAP

?15kV ESD-Protected, Single/Dual/Octal, CMOS Switch Debouncers

GeneralDescription TheMAX6816/MAX6817/MAX6818aresingle,dual,andoctalswitchdebouncersthatprovidecleaninterfacingofmechanicalswitchestodigitalsystems.Theyaccept oneormorebouncinginputsfromamechanicalswitchandproduceacleandigitaloutputafterashort,presetqualif