NXP has announced availability of real-time clock (RTC) chips with SPI bus interface, the PCF2123. Operating at a current of less than 100 NanoAmperes (0.15uW) on a 1.5-V power supply, the real-time ...
NXP Semiconductor’s PCF2123 real-time-clock has an operating current of less than 100 nA, or 0.15 μW, on a 1.5V power supply. The 3×3×1-mm package includes a freely programmable alarm-and-timer ...
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