The following content is an automatically extracted verbatim text
from the original manufacturer datasheet and is provided for reference purposes only.
View original datasheet 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.