- SMD / SMT package: CLCC-6 ( 7.0 X 5.0 mm 2.54 mm pitch ) - Adapter board to DIP for breadboard prototyping. - PCB has a solder mask layer to minimise the formation of solder bridges during soldering. - For connectors with 0.1 inch pitch, not included. - A ground plane under the chip works a small heatsink.