X1226 Datasheet | Xicor

Features Repetitive Alarms & Temperature pensation 4K (512 x 8) Real Time Clock/Calendar with EEPROM 2-Wire™ RTC 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 - Battery Switch or Super Cap Input - 512 x 8 Bits of EEPROM - 64-Byte Page Write Mode - 8 modes of Block Lock™ Protection - Single Byte Write Capability - High Reliability - Data Retention: 100 years - Endurance: 100,000 cycles per byte - 2-Wire™ Interface interoperable with I2C- - 400k Hz data transfer rate - Frequency Output (SW Selectable: Off, 1Hz, 4096Hz or 32.768k Hz) - Low Power CMOS - 1.25µA Operating Current (Typical) - Small Package Options - 8-Lead SOIC and 8-Lead TSSOP BLOCK DIAGRAM OSC pensation X1 Frequency Divider APPLICATIONS - - - - - - - - - - - -...