X1227 - RTC Real TimeClock/Calendar/ CPU Supervisor

Intersil (now Renesas)

Datasheet Details

Part number	X1227
Manufacturer	Intersil (now Renesas)
File Size	431.45 KB
Description	RTC Real TimeClock/Calendar/ CPU Supervisor
Datasheet	X1227 Datasheet

General Description

The X1227 device is a Real Time Clock with clock/calendar, two polled alarms with integrated 512x8 EEPROM, oscillator compensation, CPU Supervisor (POR/LVS and WDT) and battery backup switch.

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

All compensation and trim components are integrated on the chip.

Overview

® D FO NDE E M S OM RE C SI G N NOT NEW DE 2027 I SL 1 Data Sheet SEE R X1227 May 8, 2006 FN8099.

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.

📁 Similar Datasheet

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	X1227	Real Time Clock/Calendar/CPU Supervisor with EEPROM	Xicor

More Datasheets from Intersil (now Renesas)

Part Number	Description
X1226	Real Time Clock/Calendar
X1228	Real Time Clock/Calendar/CPU Supervisor
X1286	Intersil Real Time Clock/Calendar/CPU Supervisor with EEPROM X1286
X1288	RTC Real Time Clock/Calendar/CPU Supervisor