微型实时时钟/日历，提供闹钟功能、电池切换、时间戳输入和I²C总线
High-Accuracy and Nano-Powered RTC IC
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The PCA8525TK/Q900 is a real-time clock (RTC) integrated circuit (IC) with integrated temperature compensation that improves timekeeping accuracy to ±30 ppm, delivering up to 5× better performance than current market offerings. It supports temperature ratings up to 85 °C and is available in an HVSON10 package option.
Features
- A wide supply range enables design flexibility
- VDD supply voltage: 1.2 V to 5.5 V
- VDD clock supply voltage: 0.9 V to 5.5 V
- Integrated temperature compensation enables up to 5x higher time keeping accuracy over the full temperature range
- IDD timekeeping: 64 nA typical
- Available in the Commercial temp range: -40 °C to +85 °C
- WLCSP12 (1.14 x 1.54 mm; 0.4 mm pitch)
- HVSON10 (3 x 3 mm; 0.5 mm pitch)
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