MM74HCT688 comparator equivalent, 8-bit magnitude comparator.
Y TTL input compatible Y Typical propagation delay 20 ns Y Low quiescent current 80 mA maximum (74HCT Series) Y Large output current 4 mA Y Same as HCT521
Logic Diagrams.
where memory block enable signals must be generated from computer address information
The comparator combines the low po.
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