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 :-

• Compares two 8-bit words in 6.5 ns typ
• Expandable to any word length
• 20-pin package

Specifications :-

• Supply voltage : +4.5V - +5.5V
• High-level input voltage : 2.0V
• Low-level input voltage : 0.8V
• Input Clamp Diode Voltage : -1.2V
• Input High Current : 5.0µA
• Input High Current Breakdown Test : 7.0µA
• Output High Leakage Current : 50µA
• Output Short-Circuit Current : -60 -150mA
• Power Supply Current : 32mA

Package Includes :-

1 X 74F521 8-Bit Identity Comparator IC (74521) DIP-20 Package