Adafruit smt breakout pcbs for soic or tssop adafruit 1206 the adafruit 20 pin soic or tssop surface mount breakout pcbs solve the problem that not all chips are available in breadboard friendly packages with tssop pinouts on one side and soic pinouts on the other the boards also have space for 01in pitch headers soldering the chip onto the correct side will require a decent soldering iron and a steady hand or a friend with a reflow oven if you go down the soldering iron route adafruit