74F521 comparator equivalent, 8-bit identity comparator.
* Compares two 8-bit words in 6.5ns typical
* Expandable to any word length
DESCRIPTION
The 74F521 is an expandable 8-bit comparator. It compares two words of up.
A0 B0 A7 B7 A8 B8 A15 B15 A16 B16 A23 B23
ENABLE LOW
IA=B QA=B
IA=B QA=B
IA=B QA=B
RIPPLE EXPANSION
A0 B0 A7 B7 A8 .
The 74F521 is an expandable 8-bit comparator. It compares two words of up to 8 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. TYPICAL PROPAGATION DELAY 7.0.
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