DS1743W-150,IC RTC RAM Y2K 3.3V 120NS 28EDIP
DS1743W-150+,IC RTC RAM Y2K 3.3V 120NS 28EDIP
DS1743WP-120,IC RTC RAM Y2K 3.3V 120NS 34-PCM
DS1743WP-120+,IC RTC RAM Y2K 3.3V 120NS 34-PCM
DS1743WP-120IND,实时时钟
DS1743WP-120IND+,IC RTC RAM Y2K 3.3V 120NS 34-PCM
DS1743WP-150,实时时钟
DS1743WP-150+,IC RTC RAM Y2K 3.3V 150NS 34-PCM