Texas Instruments BQ3285S-SB2 实时时钟 RTC 集成电路，带 114x8 非易失性 SRAM

Function: Alarm, Calendar, Clock, Timer Interrupt

Date Format: YY-MM-DD-dd

Time Format: HH:MM:SS:hh (12 hr, 24 hr)

Unit Weight: 620 mg

Mounting Style: SMD/SMT

RTC Memory Size: 114 B

RTC Bus Interface: Multiplexed

Supply Voltage - Max: 5.5 V

Supply Voltage - Min: 4.5 V

Battery Backup Switching: Backup Switching

Maximum Operating Temperature: + 70 C

Minimum Operating Temperature: 0 C