/ 155E 4&4
H w # Z gpLUT/0N5 ~ Mﬁr
13.50 . .
a) Everpparity circurt:
* = KBC+A§C+ABC+
b) PDN directly is: . D3 ,
[Think circuit is not “planar”, but has one “cross—
It uses 12 transistors. . _
‘ ‘ overf’ (x-x); it has no convenient dual]
PUN as t
ECEE—434, DIGITAL ELECTRONICS FALL 14-15
FINAL EXAMINATION NAME - -
For the circuit shown below, the input signals are A, B, C, D and the output is Y.
a) Write the logical expression for Y =Y (A, B, C, D)
b) How many logic stages does the circuit have?