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DS1384 Watchdog Timekeeping Controller
www.maxim-ic.com
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 Static RAM
All Timekeeping Registers and On-Board RAM are Individually Addressable via the Address and Data Bus
PIN CONFIGURATION
TOP VIEW
44
1 INTB/(INTB)
N.C.