Analog Devices DS1391U-18+ 实时时钟 低电压 SPI/3线 RTC 带涓流

Function: Alarm, Calendar, Clock, Trickle Charger

Date Format: YY-MM-DD-dd

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

Mounting Style: SMD/SMT

RTC Bus Interface: SPI

Supply Voltage - Max: 1.89 V

Supply Voltage - Min: 1.71 V

Battery Backup Switching: Backup Switching

Maximum Operating Temperature: + 85 C

Minimum Operating Temperature: - 40 C