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Description 31 day key wind movement for wall clocks and grandfather clocks We have several ranges to meet fferent size clocks, please feel free to contact let us if any requests, we will offer you our good qua...
...clocks B1 (15 day) / B2 (31 day ) Data list suitable for pendulum length Item No. F I L M N R L Size mm 1000 720 815 880 525 610 Note: L: means the distance from movement center to pendulum disco center We a...
...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 Cir...
...Chip Battery-Backup Switchover Circuit With Nonvolatile Control for External SRAM D Less Than 500 nA of Clock Operation Current in Backup Mode D Microprocessor Reset With Push-Button Override D Independent W...