BQ4802LYPWR 3.6 V Clock Timer ICS , Define Integrated Circuit Clock Parallel RTC

BQ4802LYPWR Clock Timer ICS Real Time Clock Parallel RTC FEATURES Real-Time Clock Counts Seconds Through Centuries in BCD Format – bq4802Y: 5-V Operation – bq4802LY: 3.3-V Operation On-Chip Battery-Backup Switchover Circuit With Nonvolatile Control for External SRAM Less Than 500 nA of Clock Operation Current in Backup Mode Microprocessor Reset With Push-Button Override Independent Watchdog Timer With Programmable Time-Out Period Power-Fail Interrupt Warning Programmable