X1288 Datasheet Text
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Data Sheet April 14, 2006 FN8102.3
2-Wire™ RTC Real Time Clock/Calendar/CPU Supervisor with EEPROM
Features
- Real Time Clock/Calendar
- Tracks time in Hours, Minutes, Seconds and Hundredths of a Second
- 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 setting 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
- 32K x 8 Bits of EEPROM ..
- 128-Byte Page Write Mode
- 8 modes of Block Lock™ Protection
- Single Byte Write Capability
- 2-Wire™ Interface interoperable with I2C-
- 400kHz data transfer rate
- Frequency Output (SW Selectable: Off, 1Hz, 100Hz, or 32.768kHz)
- Low Power CMOS
- 1.25µA Operating Current (Typical)
- Small Package Options
- 16-Lead SOIC and 14-Lead TSSOP
- Pb-Free Plus Anneal Available (RoHS pliant)...
