The latest family member of our TRB group: Trb5sc featuring a single ECP5 FPGA for up to 32 high-resolution TDC channels or 64 general purpose LVDS I/O. The form factor is new, including an "inline" AddOn board (here: a new "4conn" AddOn). Together with the AddOn the form factor is the same as a TRB3sc without AddOn and the boards fit into the same crates.