DS1486 Datasheet (Dallas Semiconductor) - RAMified Watchdog Timekeeper

DS1486, RAMified Watchdog Timekeeper

* Interrupt Output A (open drain) INTB (INTB) * Interrupt Output B (open drain) A0 *A16 * Address Inputs DQ0 *DQ7 * Data Input/Output CE * Chip Enable OE * Output Enable WE * Write Enable VCC * +5 Volts GND * Groun

DS1486 Features

* 128 kbytes of user NV RAM Integrated NV SRAM, real-time clock, crystal, power-fail control circuit and lithium energy source

* Totally nonvolatile with over 10 years of operation in the absence of power

* Watchdog timer restarts an out-of-control processor

* Alarm function schedules real