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X1226 - Real Time Clock/Calendar with EEPROM

General 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.

Key Features

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

📥 Download Datasheet

Datasheet Details

Part number X1226
Manufacturer Xicor
File Size 420.99 KB
Description Real Time Clock/Calendar with EEPROM
Datasheet download datasheet X1226 Datasheet

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Other Datasheets by Xicor

Part Number Description
X1227 Real Time Clock/Calendar/CPU Supervisor with EEPROM
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X1205 Real Time Clock/Calendar
X1240 Real Time Clock/Calendar with EEPROM
X1243 Real Time Clock/Calendar/Alarm with EEPROM

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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