CY74FCT646TQC
CY74FCT646TQCT
CY74FCT646TQCTE4
CY74FCT646TQCTG4
CY74FCT646TSOC
CY74FCT646TSOCE4
CY74FCT646TSOCG4
CY74FCT646TSOCT
CY74FCT646TSOCTE4
CY74FCT646TSOCTG4