DS1254YB2-100,实时时钟 2M X 8 NV SRAM w/Phantom Clock
DS1258AB-100,IC NVSRAM 2MBIT 100NS 40DIP
DS1258AB-100#,IC NVSRAM 2MBIT 100NS 40DIP
DS1258AB-70,IC NVSRAM 2MBIT 70NS 40DIP
DS1258AB-70#,IC NVSRAM 2MBIT 70NS 40DIP
DS1258AB-70IND,NVRAM
DS1258AB-70IND#,IC NVSRAM 2MBIT 70NS 40DIP
DS1258W-100,IC NVSRAM 2MBIT 100NS 40DIP