DS1302ZN+T&R,IC RTC CLK/CALENDAR SER 8SOIC
DS1302ZN+T&R,IC TIMEKEEPER T-CHARGE IND 8SOIC
DS1305,IC RTC SERIAL ALARM 16-DIP
DS1305+,IC RTC SERIAL ALARM 16-DIP
DS1305E,IC RTC SERIAL ALARM 20-TSSOP
DS1305E/T&R,IC RTC CLK/CALENDAR SPI 20TSSOP
DS1305E/T&R,实时时钟
DS1305E+,IC RTC SERIAL ALARM 20-TSSOP
