The manual claims that \extracode could be ended by \endextracode so one may add more rows after some TeX-thing happens.
But this code does not compile. Seems like the function of & was not switched back.
\documentclass{article}
\usepackage{tikz-timing}
\begin{document}
\begin{tikztimingtable}
A & 10M \\
\extracode\endextracode
B & 20M \\
\end{tikztimingtable}
\end{document}
The log file is even more interesting:
Missing character: There is no B in font nullfont!
./Untitled-6.tex:7: Misplaced alignment tab character &.
l.7 B &
20M \
?
Actually I did not find any single piece of working example. I guess this is the expected syntax?
By the way, I am using MacTeX and I just updated my packages.
{tikztimingtable}environment and can only be used after the last table line (i.e. after a \). – Apr 02 '15 at 06:18