2 Pin Diagrams Figure 2-1. 14-Pin PDIP, SOIC, TSSOP Figure 2-2. 16-Pin VQFN Note: It is recommended that the exposed bottom pad be connected to VSS, however, it must not be the only VSS connection to the device. Figure 2-3. 20-Pin PDIP, SOIC, SSOP Figure 2-4. 20-Pin QFN Note: It is recommended that the exposed bottom pad be connected to VSS, however, it must not be the only VSS connection to the device.