74F521 General Description
The 74F521 is an expandable 8-bit comparator. It com-pares 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.
74F521 Maximum Ratings
Storage Temperature -65°C to , 150°C
Ambient Temperature under Bias -55°C to , 125°C
Junction Temperature under Bias -55°C to , 150°C
VCC Pin Potential to Ground Pin -0.5V to , 7.0V
Input Voltage (Note 3) -0.5V to , 7.0V
Input Current (Note 3) -30 mA to , 5.0 mA
Voltage Applied to Output in HIGH State (with VCC = 0V)
Standard Output -0.5V to VCC
3-STATE Output -0.5V to,5.5V
Current Applied to Output in LOW State (Max) twice the rated IOL (mA)
74F521 Features
Compares two 8-bit words in 6.5 ns typ
Expandable to any word length
20-pin package
74F521 Connection Diagram
Map list: ABCDEFGHIJKLMNOPQRSTUVWXYZ 0123456789All