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X1228 - Real Time Clock/Calendar/CPU Supervisor

Datasheet Summary

Description

X1.

The X1 pin is the input of an inverting amplifier.

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 Adjus.

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Datasheet preview – X1228

Datasheet Details

Part number X1228
Manufacturer Intersil Corporation
File Size 447.20 KB
Description Real Time Clock/Calendar/CPU Supervisor
Datasheet download datasheet X1228 Datasheet
Additional preview pages of the X1228 datasheet.

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Full PDF Text Transcription

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® D FO NDE E M S OM RE C SI G N NOT NEW DE 2028 I SL 1 Data Sheet SEE R X1228 4K (512 x 8), 2-Wire™ RTC May 18, 2006 FN8100.4 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: 0.25s, 0.75s, 1.
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