General Description
The ’AC/’ACT520 are expandable 8-bit comparators. They compare two words of up to eight bits each and provide a LOW output when the two words match bit for bit. The expansion input IA = B also serves as an active LOW enable in put.

Features
Compares two 8-bit words in 6.5 ns typ
Expandable to any word length
20-pin package
Outputs source/sink 24 mA
’ACT520 has TTL-compatible inputs
Standard Microcircuit Drawing (SMD)
   54AC520: 5962-90916
   54ACT520: 5962-89793