X1240

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 Operati...