Schematic
- Do NOT match IC pin outs to their physical layout. Instead, put power pins on top, ground on the bottom, inputs on the left and outputs on the right.
PCB
Pin 1 on all SMT footprints will have rectangular pads, all other pins will have rounded rectangular pads.
Pin 1 on all through-hole footprints will have square pads, all other pins will have circular pads.
All connectors should have pin 1 on the left