DS1683S+T&R,IC REAL TIME EVENT REC 8SOIC
DS1685-3,IC RTC 3V 64-BIT Y2KC 24-DIP
DS1685-3+,IC RTC 3V 64-BIT Y2KC 24-DIP
DS1685-5,实时时钟
DS1685-5+,IC RTC 5V 64-BIT Y2KC 24-DIP
DS1685-5-IND,IC RTC 5V 64-BIT Y2K 24-DIP
DS1685-5IND+,IC RTC 5V 64-BIT Y2KC 24-DIP
DS1685DIE-3/T&R,实时时钟