MC74AC521DW中文资料摩托罗拉数据手册PDF规格书

8-BIT IDENTITY COMPARATOR

The MC74AC521/74ACT521 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=Balso serves as an

active LOW enable input.

• 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