MAX6302CPA+ Maxim Integrated Products, MAX6302CPA+ Datasheet
MAX6302CPA+
Specifications of MAX6302CPA+
Related parts for MAX6302CPA+
MAX6302CPA+ Summary of contents
Page 1
... MAX6303 MAX6304 SWT 4 DIP/SO/µMAX ( ) ARE FOR MAX6302/MAX6304. µMAX is a registered trademark of Maxim Integrated Products, Inc. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. with Adjustable Reset/Watchdog ____________________________Features o Adjustable Reset Threshold ...
Page 2
Low-Power µP Supervisory Circuits with Adjustable Reset/Watchdog ABSOLUTE MAXIMUM RATINGS V CC .................................................................................... RESET IN, SWT, SRT ..................................-0. WDI, WDS..............................................................-0.3V to +7.0V RESET, RESET MAX6301… .......................................................-0.3V to +7.0V MAX6302/MAX6303/MAX6304...............-0. Input Current V ...............................................................................±20mA CC GND..............................................................................±20mA ...
Page 3
Low-Power µP Supervisory Circuits ELECTRICAL CHARACTERISTICS (continued +2V to +5.5V MIN MAX PARAMETER SYMBOL WATCHDOG TIMER WDI, WDS Input Threshold WDI Pulse Width WDI, WDS Leakage Current WDI Sink/Source Current ...
Page 4
Low-Power µP Supervisory Circuits with Adjustable Reset/Watchdog ____________________________Typical Operating Characteristics (continued 1500pF +25°C, unless otherwise noted.) SWT SRT A SUPPLY CURRENT vs. SUPPLY VOLTAGE 4.2 RESET DEASSERTED 4.0 NO LOAD 3.8 3.6 3.4 ...
Page 5
Low-Power µP Supervisory Circuits with Adjustable Reset/Watchdog PIN NAME Reset Input. High-impedance input to the reset comparator. Connect this pin to the center point RESET IN external resistor voltage-divider network to set the reset threshold voltage. ...
Page 6
Low-Power µP Supervisory Circuits with Adjustable Reset/Watchdog Detailed Description Reset Function/Output The reset output is typically connected to the reset input of a µP. A µP’s reset input starts or restarts the µ known state. The MAX6301–MAX6304 ...
Page 7
Low-Power µP Supervisory Circuits V CC WDI RESET 0V NORMAL MODE (WDS = GND) Figure 2a. Watchdog Timing Diagram, WDS = GND V CC WDI RESET 0V EXTENDED MODE (WDS = V ) ...
Page 8
Low-Power µP Supervisory Circuits with Adjustable Reset/Watchdog RESET MAX6301 MAX6302 MAX6303 MAX6304 Figure 4. Monitoring Votlages Other than V with and t in µs. C SRT RP SRT age ...
Page 9
Low-Power µP Supervisory Circuits V CC MAX6301 V CC 0.1µF 4.7kΩ GND RESET Figure 7. Interfacing to µPs with Bidirectional Reset I/O Pins Interfacing to µPs with Bidirectional Reset Pins Since RESET is open-drain, the MAX6301 interfaces easily with ...
Page 10
Low-Power µP Supervisory Circuits with Adjustable Reset/Watchdog V CC MAX6303 V CC RESET GND Figure 9. Ensuring RESET Valid those applications where RESET must be valid down to 0V, adding a pulldown resistor between RESET ...
Page 11
Low-Power µP Supervisory Circuits Ordering Information (continued) PART TEMP RANGE MAX6302CPA 0°C to +70°C MAX6302CSA 0°C to +70°C MAX6302CUA 0°C to +70°C MAX6302EPA -40°C to +85°C MAX6302ESA -40°C to +85°C MAX6303CPA 0°C to +70°C MAX6303CSA 0°C to +70°C MAX6303CUA ...
Page 12
... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2010 Maxim Integrated Products DESCRIPTION Maxim is a registered trademark of Maxim Integrated Products, Inc ...