X1227 Datasheet Text
New Features
Repetitive Alarms & Temperature pensation
4K (512 x 8)
APPLICATIONS
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- 2-Wire™ RTC
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 pensation on chip
- Internal feedback resistor and pensation 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, 1.75s, off)
- Battery Switch or Super Cap Input
- 4K x 8 Bits of EEPROM
- 64-Byte Page Write Mode...
