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X1228

Part Number	X1228
Manufacturer	Xicor
Description	Real Time Clock/Calendar/CPU Supervisor with EEPROM
Published	Apr 17, 2005
Detailed Description	New Features Repetitive Alarms & Temperature Compensation 4K (512 x 8) X1228 2-Wire™ RTC Real Time Clock/Calendar/CP...
Datasheet	X1228 PDF File

Overview

New Features Repetitive Alarms & Temperature Compensation 4K (512 x 8) X1228 2-Wire™ RTC Real Time Clock/Calendar/CPU Supervisor with EEPROM FEATURES • Real Time Clock/Calendar — Tracks time in Hours, Minutes, and Seconds — Day of the Week, Day, Month, and Year • 2 Polled Alarms (Non-volatile) — Settable on the Second, Minute, Hour, Day of the Week, Day, or Month — Repeat Mode (periodic interrupts) • Oscillator Compensation on chip — Internal feedback resistor and compensation capacitors — 64 position Digitally Controlled Trim Capacitor — 6 digital frequency adjustment settings to ±30ppm • CPU Supervisor Functions — Power On Reset, Low Voltage Sense — Watchdog Timer (SW Selectable: 0.
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