General Description

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

■ ICC reduced by 50

■ Compares two 8-bit words in 6.5 ns typ

■ Expandable to any word length

■ 20-pin package

■ Outputs source/sink 24 mA

■ ACT521 has TTL-compatible inputs