Boards in 1 GitHub repository, designed in KiCad, that use the 74LVC244AD by Nexperia (-40℃~+125℃ 1.2V~3.6V 2 2.9ns@3.3V,50pF 24mA 24mA 4 40uA 74LVC Schmitt trigger Tri-State Unidirectional SOIC-20-300mil Buffers, Drivers, Receivers, Transceivers ROHS). See how each wires it, with its parts, size, README and files; the 74LVC244AD’s symbol, footprint and pinout are on its own page.
calperxd/tangnano9k-kr260-hat
FPGA HAT for the AMD Kria KR260 based on the Tang Nano 9K (Gowin GW1NR-9, FT2232H, 16-bit parallel link on J21): KiCad 10 schematic, 4-layer PCB and JLCPCB production files