RTC-4543 series datasheets. Manufacturer: Seiko Epson Corporation.

RTC-4543SA Serial Interface Real Time Clock Module in 14-pin SOP package. Operational temperature range from -40°C to 85°C. Datasheet*) RTC-4543SB Serial Interface Real Time Clock Module in 18-pin SOP package. Operational temperature range from -40°C to 85°C. Datasheet*)

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