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X1226 - Real Time Clock/Calendar with EEPROM

Datasheet Summary

Description

The X1226 device is a Real Time Clock with clock/ calendar, two polled alarms with integrated 512x8 EEPROM, oscillator compensation, and battery backup switch.

The oscillator uses an external, low-cost 32.768kHz crystal.

All compensation and trim components are integrated on the chip.

Features

  • Repetitive Alarms & Temperature Compensation 4K (512 x 8) X1226 Real Time Clock/Calendar with EEPROM 2-Wire™ RTC.

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Datasheet preview – X1226

Datasheet Details

Part number X1226
Manufacturer Xicor
File Size 420.99 KB
Description Real Time Clock/Calendar with EEPROM
Datasheet download datasheet X1226 Datasheet
Additional preview pages of the X1226 datasheet.

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Full PDF Text Transcription

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New Features Repetitive Alarms & Temperature Compensation 4K (512 x 8) X1226 Real Time Clock/Calendar with EEPROM 2-Wire™ RTC 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 • Battery Switch or Super Cap Input • 512 x 8 Bits of EEPROM —64-Byte Page Write Mode —8 modes of Block Lock™ Protection —Single Byte Write Capability • High Reliability —Data Retention: 100 years —Endurance: 100,000 cycles
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