X1243 PDF 데이터시트 검색

16K X1243 Real Time Clock, Calendar, Alarm with EEPROM DESCRIPTION 2-Wire™ RTC FEATURES 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. 400kH- 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 <1