> On the MicroChip data sheet for the 16F876A there is an outline drawing > of the pin numbering scheme for the QFN version of the chip. It shows the > numbers running counter-clockwise Referring to DS39582A (could be out of date, it came with the PUM - what DS are you looking at that has a QFN package ? ) It shows PDIP, SOIC, SSOP, MLF, PLCC, QFP on pages 2, 3 and then again in Section 19. Because of the inclusion of a Pin 1 dimple and pin fold details in the diagrams, these would be views from the top -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist