MWE
\documentclass[border=2mm]{standalone}
\usepackage{tikz}
\usepackage{tikz-timing}
\begin{document}
\begin{tikztimingtable}[
scale=2.5,
timing/slope=0.1,
timing/rowdist=3ex,
]
\textnormal{Data} & U 2D{Start}2D{B0}2D{B1}2D{B2}2D{B3}2D{B4}2D{B5}2D{B6}2D{B7}2D{Parity}2D{Stop}2D{Stop}U{ } \\
\extracode
\begin{pgfonlayer}{background}
\vertlines[help lines,red]{0,1,3,5,7,9,11,13,15,17,19,21,23}
\end{pgfonlayer}
\tablegrid[green!25,step=1]
\end{tikztimingtable}
\end{document}
And that I want output

Is there a solution?
