DS1391U-3+,IC RTC W/CHARGER 10-USOP
DS1391U-3+T&R,IC RTC CLK/CALENDAR SPI 10UMAX
DS1391U-3+T&R,IC RTC W/CHARGER 10-USOP
DS1391U-33,实时时钟 Low-V SPI/3-Wire With Trickle Charger
DS1391U-33/T&R,实时时钟
DS1391U-33+,IC RTC W/CHARGER 10-USOP
DS1391U-33+T&R,IC RTC CLK/CALENDAR SPI 10UMAX
