Xicor X1243
Real Time Clock/Calendar/Alarm with EEPROM
| Part No. | X1243 |
|---|---|
| Datasheet | X1243 Download |
| Manufacturer |  Xicor |
| Description | Real Time Clock/Calendar/Alarm with EEPROM |
| Buy | Stock & Price |
DESCRIPTION
2-Wire™ RTCFEATURES
● 2 Alarms—Interrupt Output —Settable on the Second, 10s of Seconds, Minute, 10s of Minutes, Hour, Day, Month, or Day of the Week —Repeat alarm for time base generation● 2 Wire Interface interoperable with I2C. —400kHz data transfer rate
● Secondary Power Supply Input with internal switch-over circuitry.
● Year 2000 Compliant
● 2K bytes of EEPROM —64 Byte Page Write Mode —3 bit Block Lock
● Low Power CMOS —<1µA Operating Current —<3mA Active Current during Program —<400µA Active Current during Data Read
● Single Byte Write Capability
● Typical Nonvolatile Write Cycle Time: 5ms
● High Reliability —100,000 Endurance Cycles —Guaranteed Data Retention: 100 Years
● Small Package Options —8-Lead SOIC Package, 8L TSSOP Package The X1243 is a Real Time Clock with clock/calendar circuits and two alarms. The dual port clock and alarm registers allow the clock to operate, without loss of accuracy, even during read and write operations. The clock/calendar provides functionality that is controllable and readable through a set of registers.
