Description
The DS1384 watchdog timekeeping controller is a self-contained real-time clock, alarm, watchdog timer, and interval timer that provides control of up to 128k x 8 of external low-power CMOS static RAM in a 44-pin quad flat-pack package.
Features
- Keeps Track of Hundredths of Seconds, Seconds, Minutes, Hours, Days, Date of the Month, Months, and Years with Leap Year Compensation Valid Up to 2100
Watchdog Timer Restarts an Out-ofControl Processor
Alarm Function Schedules Real-Time Related Activities
Programmable Interrupts and SquareWave Outputs
Bytewide RAM-Like Access
50 Bytes of On-Board User RAM
Greater Than 10 Years Timekeeping and Data Retention in the Absence of Power with Small Lithium Coin Cells
Supports Up to 128k x 8 of External.
DS1384-Dallas.pdf