MAX6323AUT29 MAXIM [Maxim Integrated Products], MAX6323AUT29 Datasheet
MAX6323AUT29
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MAX6323AUT29 Summary of contents
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Rev 5; 5/10 µP Supervisory Circuits with Windowed (Min/Max) Watchdog and Manual Reset General Description The MAX6323/MAX6324 microprocessor (µP) supervi- sory circuits monitor power supplies and µP activity in digital systems. A watchdog timer looks for activity out- side ...
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Supervisory Circuits with Windowed (Min/Max) Watchdog and Manual Reset ABSOLUTE MAXIMUM RATINGS Terminal Voltage (with respect to GND) V ..................................................................-0.3V to +6.0V CC MR, RESET (MAX6323), WDI................-0. WDPO, RESET (MAX6324) ..............................-0.3V to +6.0V , WDI, MR ..............................................20mA ...
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Supervisory Circuits with Windowed (Min/Max) Watchdog and Manual Reset ELECTRICAL CHARACTERISTICS (continued full range -40°C to +125°C, unless otherwise noted. Typical values are PARAMETER SYMBOL WATCHDOG INPUT AND OUTPUT Watchdog Timeout ...
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Supervisory Circuits with Windowed (Min/Max) Watchdog and Manual Reset (V = full range +25°C, unless otherwise noted SUPPLY CURRENT vs. TEMPERATURE 5. 3. ...
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Supervisory Circuits with Windowed (Min/Max) Watchdog and Manual Reset (V = full range +25°C, unless otherwise noted FAST WATCHDOG TIMEOUT PERIOD WDI WDPO 500µs/div PIN NAME Active-Low, Manual Reset Input. When MR is asserted low, ...
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Supervisory Circuits with Windowed (Min/Max) Watchdog and Manual Reset t (min) WD1 POSSIBLE STATES GUARANTEED TO ASSERT WDPO CONDITION 1 CONDITION 2 CONDITION 3 * UNDETERMINED STATES MAY OR MAY NOT GENERATE A FAULT CONDITION. Figure 1. Detailed Watchdog ...
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Supervisory Circuits with Windowed (Min/Max) Watchdog and Manual Reset RESET WDI WDPO Figure 2. Fast Fault Timing RESET WDI WDPO Figure 3. Slow Fault Timing RESET WDI H WDPO L Figure 4. Normal Operation, WDPO Not Asserted _______________________________________________________________________________________ t ...
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Supervisory Circuits with Windowed (Min/Max) Watchdog and Manual Reset V CC 100ms (min) RESET MR Figure 5. RESET Timing Relationship falls below the preset threshold or when the manual reset input (MR) is asserted. The RESET output remains asserted ...
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Supervisory Circuits with Windowed (Min/Max) Watchdog and Manual Reset MAX6323 RESET GND Figure 6. RESET Valid Ground Circuit CC Interfacing to µPs with Bidirectional Reset Pins Since the RESET output on the ...
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Supervisory Circuits with Windowed (Min/Max) Watchdog and Manual Reset START SET WDI LOW SUBROUTINE OR PROGRAM LOOP SET WDI HIGH RETURN END Figure 9. Watchdog Flow Diagram V CC 500pF *MAX6324 ONLY Figure 10. WDPO to MR Loopback Circuit ...
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... Supervisory Circuits with Windowed (Min/Max) Watchdog and Manual Reset Standard Versions MAX6323AUT29 MAX6323AUT46 MAX6323CUT29 MAX6323CUT46 MAX6323DUT29 MAX6323DUT46 MAX6323HUT29 MAX6323HUT46 Ordering Information (continued) TEMP PART RANGE MAX6324_UT_ _-T -40°C to +125°C MAX6324_UT_ _-T/V -40°C to +125° 6324_U T_ _+ T/V -40°C to +125°C *These devices are factory trimmed to one of eight watchdog- timeout windows and one of six reset voltage thresholds ...
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Supervisory Circuits with Windowed (Min/Max) Watchdog and Manual Reset V CC 500pF *MAX6324 ONLY For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS ...
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Supervisory Circuits with Windowed (Min/Max) Watchdog and Manual Reset REVISION REVISION NUMBER DATE 0 10/00 Initial release 5 5/10 Updated the Ordering Information and Absolute Maximum Ratings. Maxim cannot assume responsibility for use of any circuitry other than circuitry ...