2 Pin Diagrams Figure 2-1. 28-Pin SPDIP, SSOP, SOIC Figure 2-2. 28-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. 40-Pin PDIP Figure 2-4. 40-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 2-5. 44-Pin TQFP Figure 2-6. 48-Pin TQFP Figure 2-7. 48-Pin VQFN Figure 2-8. 64-Pin TQFP Figure 2-9. 64-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.