HD146818 series datasheets. Manufacturer: Hitachi Semiconductor.

HD146818FP V(cc/in): -0.3 to +7.0V; RTC (real time clock plus RAM) in 24-pin QFP package. Operational temperature range from 0°C to 70°C. Datasheet*) HD146818P V(cc/in): -0.3 to +7.0V; RTC (real time clock plus RAM) in 24-pin PDIP package. Operational temperature range from 0°C to 70°C. Datasheet*) HD146818 RTC(REAL TIME CLOCK PLUS RAM) Datasheet*)

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