74AC521 comparator equivalent, 8-bit identity comparator.
s ICC reduced by 50% s Compares two 8-bit words in 6.5 ns typ s Expandable to any word length s 20-pin package s Outputs source/sink 24 mA s ACT521 has TTL-compatible inp.
Ripple Expansion
Parallel Expansion
www.fairchildsemi.com
2
74AC521
* 74ACT521
Absolute Maximum Ratings(Note 2).
The AC/ACT521 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 ICC reduce.
Image gallery
Download