Applied Physics CSIE II: UNIT II: Logic Gates
Octet
karnaugh map or K map
An octet is a group of eight adjacent 1's.
The
karnaugh map uses Pairs, Quads and Octets to get simplified logic circuits.
OCTET
An
octet is a group of eight adjacent 1's as shown in Fig 2.21(A). An octet always
eliminates three variables and their complements. We shall write the octet as
two quads as shown in Fig. 2.21 (B).
The
Boolean equation for 1st quad [Fig. 2.21(B)] is Y = A
(Dropping
B, 
, D, 
)
The
Boolean equation for the 2nd quad [Fig. 2.21 (B)] is Y = AC
(Dropping
B, , D, )
∴ The Boolean equation
for the two quads is
Y
= A+ AC= A [+C]
Y = A
Thus,
in octet, theree variables and their complements i.e., B, , C, ,
D and are dropped
Applied Physics CSIE II: UNIT II: Logic Gates : Tag: Applied Physics : karnaugh map or K map - Octet
Applied Physics CSIE II: UNIT II: Logic Gates
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