Click to expand full text
Preliminary Information 16K
X1240
Real Time Clock/Calendar with EEPROM
DESCRIPTION
2-Wire RTC
FEATURES • 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 —1,000,000 Endurance Cycles —Guaranteed Data Retention: 100 Years • Small Package Options —8-Lead SOIC Package, 8L TSSOP Package
The X1240 is a Real Time Clock with clock/calendar circuits.