71421SA4J8,IC SRAM
71421SA55J,IC SRAM 16KBIT PARALLEL 52PLCC
71421SA55J8,IC SRAM 16KBIT PARALLEL 52PLCC
71421SA55JI,IC SRAM 16KBIT PARALLEL 52PLCC
71421SA55JI8,IC SRAM 16KBIT PARALLEL 52PLCC
71421SA55PF,IC SRAM 16KBIT PARALLEL 64TQFP
71421SA55PF8,IC SRAM 16KBIT PARALLEL 64TQFP
71421SA5J,IC SRAM