DS1251WP-C02,实时时钟 4096K NV SRAM w/Phantom Clock
DS1251WP-C02+,实时时钟 4096K NV SRAM w/Phantom Clock
DS1251Y-70,IC NVSRAM 4MBIT 70NS 32DIP
DS1251Y-70+,IC NVSRAM 4MBIT 70NS 32DIP
DS1251YP-70,IC NVSRAM 4MBIT 70NS 34PCM
DS1251YP-70+,IC NVSRAM 4MBIT 70NS 34PCM
DS1251YP-70IND,实时时钟
DS1251YP-70IND+,IC NVSRAM 4MBIT 70NS 34PCM
