Digital Signal Processing Reference
In-Depth Information
g 7:4
s 11 a 11 b 11
s 10 a 10 b 10
s 9
a 9 b 9
s 8
a 8 b 8
s 7
a 7 b 7
s 6
a 6 b 6
s 5
a 5 b 5
s 4
a 4 b 4
s 3
a 3 b 3
s 2
a 2 b 2
s 1
a 1 b 1
s 0
a 0 b 0
c 0
c 12
c 11
c 10
c 9
c 8
c 7
c 6
c 5
c 4
c 3
c 2
c 1
FA
RFA
RFA
RFA
FA
RFA
RFA
RFA
FA
RFA
RFA
RFA
g 11
p 11
g 10
p 10
g 9
p 9
g 8
p 8
g 7
p 7
g 6
p 6
g 5
p 5
g 4
p 4
g 3
p 3
g 2
p 2
g 1
p 1
g 0
p 0
LOOKAHEAD LOGIC
LOOKAHEAD LOGIC
LOOKAHEAD LOGIC
Figure 5.13 A 12-bit hybrid ripple carry and carry look-ahead adder
 
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