Minimum size 3-I/P NOR gate with 2 inverted inputs,
made from a 2-I/P NAND followed by a 2-I/P NOR.
The output P/N ratio is about 2, and the gain
from inputs <SPAN CLASS="boldred">a</SPAN> and
<SPAN CLASS="boldred">b</SPAN> is about 1.6.
