STK12C68-C35,IC NVSRAM 64KBIT 35NS 28CDIP
STK12C68-C35I,IC NVSRAM 64KBIT 35NS 28CDIP
STK12C68-C45,IC NVSRAM 64KBIT 45NS 28CDIP
STK12C68-C45I,IC NVSRAM 64KBIT 45NS 28CDIP
STK12C68-L35,IC NVSRAM 64KBIT 35NS 28LCC
STK12C68-L35I,IC NVSRAM 64KBIT 35NS 28LCC
STK12C68-L45,IC NVSRAM 64KBIT 45NS 28LCC
STK12C68-L45I,IC NVSRAM 64KBIT 45NS 28LCC