DS1283 DS1283 Watchdog Timekeeper Chip FEATURES PIN ASSIGNMENT INTA X1 X2 NC A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 V CC WE INTB(INTB) V BAT • Keeps track of hundredths of seconds, seconds, minutes, hours, days, date of the month, months, and years; valid leap year compersation up to 2100 • Watchdog timer restarts an out–of–control processor • Alarm function provides notice of real time related occurrences RCLR SQW OE INTP CE DQ7 DQ6 DQ5 DQ4 DQ3 • Designed for battery operation www.
DataSheet4U.
com • Programmable interrupts and square wave outputs maintain 28–pin JEDEC footprint dress and data bus • All registers ar...

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