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实时时钟
LOW-CURRENT SPI/3-WIRE RTC
库存:
4096K NV SRAM & PHANTOM CLOCK
IC BATT CHG SPI RTC W/TRICKLE
DS1339 I2C SERIAL RTC
1024K NV SRAM & PHANTOM CLOCK
IC BATT CHG RTC W/TRICKLE
TRICKLE-CHARGE TIMEKEEPING CHIP
RTC, VOLATILE, 2 TIMER(S)