STMicroelectronics RTCchip, Can be used as a backup battery、calendar, QFNencapsulation, Serial I2Cbus, max_voltage4.4 V, surface mount installation, 16Pin
RTC, -40 TO 85DEG C, QFN-16; Date Format: Day; Date; Month; Year; Century; Clock Format: HH: MM: SS; Clock IC Type: RTC; Supply Voltage Min: 1.3V; Supply Voltage Max: 4.4V; Clock IC Case Style: QFN; No. of Pins: 16Pins; IC Interf