86 Family Question: Download Questions PDF
How to detect a sequence of "1101" arriving serially from a signal line?
Answer:
Use 4 D-bascules connected in serial, all synchronized with
the same CLK. Then connect all 4 outputs, & 2nd output must
reverse, of the D-bascule to an AND logic. The output of
the AND logic sould have '1' when it detectes "1101". This
technic oftenly use for glitch detection in the signal.
the same CLK. Then connect all 4 outputs, & 2nd output must
reverse, of the D-bascule to an AND logic. The output of
the AND logic sould have '1' when it detectes "1101". This
technic oftenly use for glitch detection in the signal.
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