The 74F521 is an expandable 8-bit comparator. It compares two words of up to eight bits each and provides a LOW output when the two words match bit for bit. The expansion input IA=B also serves as an active LOW enable input. Features s Compares two 8-bit words in 6.5 ns typ s Expandable to any word length s 20-pin package Ordering Code: Order Number 74F521SC 74F521SJ 74F521MSA 74F521PC Package Number M20B M20D MSA20 N20A Package Description 20-Lead Small Outline Integrated C.
