MAX704RC/D MAXIM [Maxim Integrated Products], MAX704RC/D Datasheet
MAX704RC/D
Related parts for MAX704RC/D
MAX704RC/D Summary of contents
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Rev 1; 9/94 3.0V/3.3V Microprocessor Supervisory Circuits _______________General Description These microprocessor (µP) supervisory circuits reduce the complexity and number of components required for power-supply monitoring and battery-control functions in µP systems. They significantly improve system relia- bility and accuracy ...
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Microprocessor Supervisory Circuits ABSOLUTE MAXIMUM RATINGS Terminal Voltage (with respect to GND) V .........................................................................-0.3V to 6.0V CC VBATT ....................................................................-0.3V to 6.0V All Other Inputs ...................-0.3V to the higher of V Continuous Input Current V ..................................................................................100mA CC VBATT ...............................................................................18mA GND ...
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Microprocessor Supervisory Circuits ELECTRICAL CHARACTERISTICS (continued 3.17V to 5.5V for the MAX690T/MAX704T/MAX80_T 5.5V for the MAX690R/MAX704R/MAX80_R; VBATT = 3.6V; T PARAMETER SYMBOL V in Battery-Backup Mode OUT Battery Switch Threshold, V Falling ...
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Microprocessor Supervisory Circuits ELECTRICAL CHARACTERISTICS (continued 3.17V to 5.5V for the MAX690T/MAX704T/MAX80_T 5.5V for the MAX690R/MAX704R/MAX80_R; VBATT = 3.6V; T PARAMETER SYMBOL V PFI Input Threshold V PFT V MAX690_C/E, MAX704_C/E, MAX80_ _C/E PFI Input ...
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Microprocessor Supervisory Circuits __________________________________________Typical Operating Characteristics (T = +25°C, unless otherwise noted -to-V ON-RESISTANCE CC OUT vs. TEMPERATURE 5 VBATT = ...
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Microprocessor Supervisory Circuits ______________________________________________________________Pin Description PIN NAME MAX690 MAX704 MAX804 MAX802 MAX806 MAX805 Supply Output for CMOS RAM. When connected to V OUT VBATT, VBATT connects Main Supply ...
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Microprocessor Supervisory Circuits V BATT BATTERY SWITCHOVER CIRCUITRY V CC BATTERY SWITCHOVER COMPARATOR MAX690T/S/R 1.237V MAX704T/S/R RESET MAX802T/S/R COMPARATOR MAX804T/S/R MAX805T/S/R MAX806T/S/R 1.237V * * RESET WATCHDOG WDI GENERATOR TIMER ** MR PFI POWER-FAIL COMPARATOR V PFT * MAX690T/S/R, ...
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Microprocessor Supervisory Circuits Backup-Battery Switchover In the event of a brownout or power failure, it may be necessary to preserve the contents of RAM. With a backup battery installed at VBATT, the devices auto- matically switch RAM to backup ...
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Microprocessor Supervisory Circuits 3.0V OR 3.3V MAX690T/S OUT MAX704T/S/R 1N4148 MAX802T/S/R MAX804T/S/R MAX805T/S/R VBATT RESET MAX806T/S/R (RESET) 0.47F GND ARE FOR MAX804T/S/R, MAX805T/S/R ONLY Figure 3. Using a SuperCap as a Backup Power ...
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Microprocessor Supervisory Circuits MAX690T/S/R PFI MAX704T/S/R MAX802T/S MAX804T/S/R MAX805T/S/R MAX806T/S/R C1* PFO GND TO P PFO TRIP ( ) ...
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Microprocessor Supervisory Circuits BUFFERED RESET TO OTHER SYSTEM COMPONENTS V CC MAX690T/S/R 4.7k MAX704T/S/R RESET MAX802T/S/R MAX806T/S/R GND Figure 6. Interfacing to µPs with Bidirectional Reset I/O 100 +25° ...
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Microprocessor Supervisory Circuits _Ordering Information (continued) PART** TEMP. RANGE MAX704_CPA 0°C to +70°C 8 Plastic DIP MAX704_CSA 0°C to +70° MAX704_C/D 0°C to +70°C Dice* MAX704_EPA -40°C to +85°C 8 Plastic DIP MAX704_ESA -40°C to +85°C 8 ...