2 layers135.1 × 85.8 mm

Winchester
yoonjustin/WinchesterPCB
Open source JAMMA supergun project. KiCAD PCB design files
89 parts10MIT
The BA7230LS is an uncategorised made by ROHM Semiconductor in a TH-24P package with 24 pins.
JLCPCB lists it (part C32222537). 2 open-source boards in 2 repositories on GitHub use it.
The library has no symbol for this part yet.
The library has no footprint for this part yet.

yoonjustin/WinchesterPCB
Open source JAMMA supergun project. KiCAD PCB design files

TH-24P, with 24 pins.
JLCPCB lists it as part C32222537, with 0 in stock; the sellers' links on this page open their listings.
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.