IDT74FCT521CTPYG
IDT74FCT521CTPYG8
IDT74FCT521CTQG
IDT74FCT521CTQG8
IDT74FCT521CTSOG
IDT74FCT521CTSOG8
IDT74FCT521SO
IDT74FCT540ATPYG
IDT74FCT540ATPYG8
IDT74FCT540ATQG
0755-83237632