DS1270Y-100#,IC NVSRAM 16MBIT 100NS 36DIP
DS1270Y-70,IC NVSRAM 16MBIT 70NS 36DIP
DS1270Y-70#,IC NVSRAM 16MBIT 70NS 36DIP
DS1270Y-70IND,IC NVSRAM 16MBIT 70NS 36DIP
DS1270Y-70IND#,IC NVSRAM 16MBIT 70NS 36DIP
DS1283,实时时钟
DS1283N,实时时钟
DS1283S,实时时钟