DS1374 - 32-Bit Binary Counter Watchdog RTC
Rev 2; 9/05 U Binary Counter Watchdog RTC with I2C, 32-Bit 4 etTrickle Charger and Reset Input/Output The DS1374 is a 32-bit binary counter designed to continuously count time in seconds.
An additional counter generates a periodic alarm or serves as a watchdog timer.
If disabled, this counter can be used as 3 bytes of nonvolatile (NV) RAM.
Separate output pins are provided for an interrupt and a square wave at one of four selectable frequencies.
A precision temperature-compensated reference and
DS1374 Features
* 32-Bit Binary Counter
* Second Binary Counter Provides Time-of-Day Alarm, Watchdog Timer, or NV RAM
* Separate Square-Wave and Interrupt Output Pins
* I2C Serial Interface
* Automatic Power-Fail Detect and Switch Circuitry
* Single-Pin Pushbutton Res
