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X1226 - Real Time Clock/Calendar

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

  • 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 S.

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Datasheet preview – X1226

Datasheet Details

Part number X1226
Manufacturer Intersil Corporation
File Size 398.17 KB
Description Real Time Clock/Calendar
Datasheet download datasheet X1226 Datasheet
Additional preview pages of the X1226 datasheet.

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Full PDF Text Transcription

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® X1226 4K (512 x 8), 2-Wire™ RTC Data Sheet May 8, 2006 FN8098.3 Real Time Clock/Calendar 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 • 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 www.DataSheet4U.
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