SN54F521J - 8-Bit Identity Comparators
These identity comparators perform comparisons on two 8-bit binary or BCD words.
They provide P = Q outputs.
The SN54F521 is characterized for operation over the full military temperature range of * 55°C to 125°C.
The SN74F521 is characterized for operation from 0°C to 70°C.
FUNCTION TABLE