DS1284Q/T&R/C07,实时时钟
DS1284Q+,IC TIMEKEEPER WATCHDOG 28-PLCC
DS1284Q+T&R,IC RTC CLK/CALENDAR PAR 28PLCC
DS1284Q+T&R,IC TIMEKEEPER WATCHDOG 28-PLCC
DS1284Q-C05/T&R/,实时时钟
DS1284QN,IC TIMEKEEPER WATCHDG IND 28PLCC
DS1284QN/T&R,IC RTC CLK/CALENDAR PAR 28PLCC
DS1284QN/T&R,实时时钟
