MAX16152/MAX16153/ nanoPower Supervisor and Watchdog Timer MAX16154/MAX16155 Electrical Characteristics (continued) ((VCC = 1.2V to 5.5V, TA = -40ºC to +125ºC. Limits over the operating temperature range and relevant supply voltage range are guaranteed by production test and/or characterization. Typical values are at TA = +25ºC and VCC = VTH + 150mV.)) PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS Manual Reset Input to t Reset Output Delay MRD 250 ns Manual Reset Internal 70 100 145 kΩ Pullup Resistor MR, WDI, WD_EN. Input connected GND Input Leakage Current -1 +1 µA or VCC Note 1: In addition to the specified tolerance, tRP has an uncertainty of ±4ms due to the power-up delay of internal blocks. www.maximintegrated.com Maxim Integrated | 5 Document Outline General Description Applications Benefits and Features Typical Application Circuit Absolute Maximum Ratings Package Information Electrical Characteristics Pin Configurations 6 WLP 6 SOT23 6 WLP 6 SOT23 Pin Description Functional Diagrams MAX16152/MAX16153 Block Diagram MAX16154/MAX16155 Block Diagram Detailed Description Input Threshold Watchdog Watchdog Startup Delay Watchdog Timeout Period Watchdog Enable Input (WD_EN) Watchdog Input Signal Reset Timeout Period Manual Reset Applications Information Power Supply Bypassing Watchdog Software Considerations Negative-Going VCC Transients Protection Selector Guide Ordering Information Revision History