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MAX800

Microprocessor Supervisory Circuits

GeneralDescription TheMAX691A/MAX693A/MAX800L/MAX800Mmicroprocessor(μP)supervisorycircuitsarepin-compatibleupgradestotheMAX691,MAX693,andMAX695.Theyimproveperformancewith30μAsupplycurrent,200mstypresetactivedelayonpower-up,and6nschipenablepropagationdelay.Featu

MAX800

微處理器監(jiān)控電路; ? 200ms電源正常/復(fù)位超時周期\n\n? 1μA待機(jī)電流，30μA工作電流\n\n? 芯片使能信號板載選通，10ns（最大值）延遲\n\n? 與 MaxCap? 或 SuperCap 兼容\n\n? 低至 VCC = +1V 時確保低電平有效RESET置位\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? 電源故障精度高達(dá)±2% (MAX800L/M)\n\n? 采用16引腳窄體SO、塑料DIP和TSSOP封裝;

MAX691A/MAX693A/MAX800L/MAX800M微處理器(μP)監(jiān)控電路是MAX691、MAX693和MAX695的引腳兼容升級產(chǎn)品。其改進(jìn)的性能包括30μA電源電流、200ms（典型值）上電復(fù)位有效延遲和6ns芯片使能傳播延遲。主要特性包括CMOS RAM或EEPROM的寫保護(hù)、獨(dú)立的看門狗輸出、備用電池切換以及 VCC 低至1V時低電平有效RESET輸出有效。MAX691A/MAX800L的復(fù)位閾值電壓為4.65V（典型值），MAX693A/MAX800M的復(fù)位閾值電壓為4.4V（典型值）。MAX800L/MAX800M的電源故障精度高達(dá)±2%。\n\n ?\n\n

MAX800L

微處理器監(jiān)控電路; \n? 200ms Power-OK/Reset Timeout Period \n? 1μA Standby Current, 30μA Operating Current \n? On-Board Gating of Chip-Enable Signals, 10ns max Delay \n? MaxCap? or SuperCap Compatible \n? Guaranteed Active-Low RESET Assertion to VCC = +1V \n? Voltage Monitor for Power-Fail or Low-Battery Warning \n? Power-Fail Accuracy Guaranteed to ±2% (MAX800L/M) \n? Available in 16-Pin Narrow SO, Plastic DIP, and TSSOP Packages;

The MAX691A/MAX693A/MAX800L/MAX800M microprocessor (μP) supervisory circuits are pin-compatible upgrades to the MAX691, MAX693, and MAX695. They improve performance with 30μA supply current, 200ms typ reset active delay on power-up, and 6ns chip-enable propagation delay. Features include write protection of CMOS RAM or EEPROM, separate watchdog outputs, backup-battery switchover, and an active-low RESET output that is valid with VCC down to 1V. The MAX691A/MAX800L have a 4.65V typical reset-threshold voltage, and the MAX693A/MAX800M's reset threshold is 4.4V typical. The MAX800L/MAX800M guarantee power-fail accuracies to ±2%.

MAX800L

Microprocessor Supervisory Circuits

GeneralDescription TheMAX691A/MAX693A/MAX800L/MAX800Mmicroprocessor(μP)supervisorycircuitsarepin-compatibleupgradestotheMAX691,MAX693,andMAX695.Theyimproveperformancewith30μAsupplycurrent,200mstypresetactivedelayonpower-up,and6nschipenablepropagationdelay.Featu

MAX800LCPE

Microprocessor Supervisory Circuits

GeneralDescription TheMAX691A/MAX693A/MAX800L/MAX800Mmicroprocessor(μP)supervisorycircuitsarepin-compatibleupgradestotheMAX691,MAX693,andMAX695.Theyimproveperformancewith30μAsupplycurrent,200mstypresetactivedelayonpower-up,and6nschipenablepropagationdelay.Featu

MAX800LCSE

Microprocessor Supervisory Circuits

GeneralDescription TheMAX691A/MAX693A/MAX800L/MAX800Mmicroprocessor(μP)supervisorycircuitsarepin-compatibleupgradestotheMAX691,MAX693,andMAX695.Theyimproveperformancewith30μAsupplycurrent,200mstypresetactivedelayonpower-up,and6nschipenablepropagationdelay.Featu

MAX800LEPE

Microprocessor Supervisory Circuits

GeneralDescription TheMAX691A/MAX693A/MAX800L/MAX800Mmicroprocessor(μP)supervisorycircuitsarepin-compatibleupgradestotheMAX691,MAX693,andMAX695.Theyimproveperformancewith30μAsupplycurrent,200mstypresetactivedelayonpower-up,and6nschipenablepropagationdelay.Featu

MAX800LESE

Microprocessor Supervisory Circuits

GeneralDescription TheMAX691A/MAX693A/MAX800L/MAX800Mmicroprocessor(μP)supervisorycircuitsarepin-compatibleupgradestotheMAX691,MAX693,andMAX695.Theyimproveperformancewith30μAsupplycurrent,200mstypresetactivedelayonpower-up,and6nschipenablepropagationdelay.Featu

MAX800M

Microprocessor Supervisory Circuits

GeneralDescription TheMAX691A/MAX693A/MAX800L/MAX800Mmicroprocessor(μP)supervisorycircuitsarepin-compatibleupgradestotheMAX691,MAX693,andMAX695.Theyimproveperformancewith30μAsupplycurrent,200mstypresetactivedelayonpower-up,and6nschipenablepropagationdelay.Featu

MAX800M

微處理器監(jiān)控電路; \n? 200ms Power-OK/Reset Timeout Period \n? 1μA Standby Current, 30μA Operating Current \n? On-Board Gating of Chip-Enable Signals, 10ns max Delay \n? MaxCap? or SuperCap Compatible \n? Guaranteed Active-Low RESET Assertion to VCC = +1V \n? Voltage Monitor for Power-Fail or Low-Battery Warning \n? Power-Fail Accuracy Guaranteed to ±2% (MAX800L/M) \n? Available in 16-Pin Narrow SO, Plastic DIP, and TSSOP Packages;

The MAX691A/MAX693A/MAX800L/MAX800M microprocessor (μP) supervisory circuits are pin-compatible upgrades to the MAX691, MAX693, and MAX695. They improve performance with 30μA supply current, 200ms typ reset active delay on power-up, and 6ns chip-enable propagation delay. Features include write protection of CMOS RAM or EEPROM, separate watchdog outputs, backup-battery switchover, and an active-low RESET output that is valid with VCC down to 1V. The MAX691A/MAX800L have a 4.65V typical reset-threshold voltage, and the MAX693A/MAX800M's reset threshold is 4.4V typical. The MAX800L/MAX800M guarantee power-fail accuracies to ±2%.