SO, 4 - 56 PINS, 1.27MM PITCH, 2
| Part | Number of Positions | Package Accepted | Proto Board Type | Size / Dimension [y] | Size / Dimension [y] | Size / Dimension [x] | Size / Dimension [x] | Pitch [x] | Pitch [x] | 
|---|---|---|---|---|---|---|---|---|---|
Schmartboard, Inc.  | 56  | PSSOP  QSOP  SO  SOP  TSSOP  | SMD to Plated Through Hole Board  | 2 in  | 50.8 mm  | 50.8 mm  | 2 in  | 0.05 in  | 1.27 mm  |