DS1220Y-200IND+,IC NVSRAM 16KBIT 200NS 24DIP
DS1221,IC CTRLR/DECODER 4BIT 16-DIP
DS1221S,IC CTRLR/DECODER 4BIT 16-SOIC
DS1221S/T&R,NVRAM
DS1221SN,IC CTRLR/DECODER 4BIT IN 16-SOIC
DS1222,IC BANKSWITCH CMOS 14-DIP
DS1222+,IC BANKSWITCH CMOS 14-DIP
DS1222N,IC BANKSWITCH CMOS IND 14-DIP