<s>
Conventional	O
static	B-Application
timing	I-Application
analysis	I-Application
(	O
STA	O
)	O
has	O
been	O
a	O
stock	O
analysis	O
algorithm	O
for	O
the	O
design	O
of	O
digital	O
circuits	O
over	O
the	O
last	O
30	O
years	O
.	O
</s>
<s>
This	O
has	O
led	O
to	O
considerable	O
research	O
into	O
statistical	B-Application
static	I-Application
timing	I-Application
analysis	I-Application
,	O
which	O
replaces	O
the	O
normal	O
deterministic	O
timing	O
of	O
gates	O
and	O
interconnects	O
with	O
probability	O
distributions	O
,	O
and	O
gives	O
a	O
distribution	O
of	O
possible	O
circuit	O
outcomes	O
rather	O
than	O
a	O
single	O
outcome	O
.	O
</s>
