Datasheet MAX16152, MAX16153, MAX16154, MAX16155 (Maxim) - 8

MAX16152/MAX16153/ nanoPower Supervisor and Watchdog Timer MAX16154/MAX16155
6 WLP
TOP VIEW MAX16154 1 2 3 A WDI GND VCC WDO WD_EN RST B
6 SOT23
TOP VIEW 1 VCC 6 RST MAX16155 GND 2 5 WD_EN 3 WDI 4 WDO
Pin Description PIN NAME FUNCTION MAX1615 MAX1615 MAX1615 MAX1615 2 3 4 5
Supply Voltage. V A3 1 A3 1 V CC is the power supply input and the CC monitoring input. Bypass with a 0.1μF capacitor to GND. A2 2 A2 2 GND Ground Watchdog Input. If WDI remains either high or low for the duration of the watchdog timeout period (tWD), WDO pulses low A1 3 A1 3 WDI for the watchdog output pulse width, tWDO. The internal watchdog timer clears whenever RST is de-asserted or whenever WDI sees a falling edge. www.maximintegrated.com Maxim Integrated | 8 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