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X1228 - Real Time Clock/Calendar/CPU Supervisor

General Description

X1.

The X1 pin is the input of an inverting amplifier.

Key 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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📁 Similar Datasheet

Part Number Description Manufacturer
X1228 Real Time Clock/Calendar/CPU Supervisor with EEPROM Xicor
X1226 Real Time Clock/Calendar with EEPROM Xicor
X1227 Real Time Clock/Calendar/CPU Supervisor with EEPROM Xicor
X1205 Real Time Clock/Calendar Xicor
X1240 Real Time Clock/Calendar with EEPROM Xicor

Other Datasheets by Intersil (now Renesas)

Part Number Description
X1226 Real Time Clock/Calendar
X1227 RTC Real TimeClock/Calendar/ CPU Supervisor
X1286 Intersil Real Time Clock/Calendar/CPU Supervisor with EEPROM X1286
X1288 RTC Real Time Clock/Calendar/CPU Supervisor

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.

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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.