DS1344D-33+,IC RTC SPI 3.3V 14TDFN-EP
DS1344D-33+T&R,IC RTC CLK/CALENDAR SPI 14TDFN
DS1344D-33+T&R,IC RTC SPI 3.3V 14TDFN-EP
DS1344E-18+,IC RTC SPI 1.8V 20TSSOP
DS1344E-18+T&R,IC RTC CLK/CALENDAR SPI 20TSSOP
DS1344E-18+T&R,IC RTC SPI 1.8V 20TSSOP
DS1344E-3+,IC RTC SPI 3.0V 20TSSOP