design guideline for QFN(Qual Flat non lead) JEDEC DESIGN STANDARD DESIGN REQUIREMENTS FOR OUTLINES OF SOLID STATE AND RELATED PRODUCTS JEDEC PUBLICATION 95 DESIGN GUIDE 4.19 QUAD NO-LEAD STAGGERED AND INLINE MULTI-ROW PACKAGES (WITH OPTIONAL THERMAL ENHANCEMENTS) (QFN) JEDEC SOLID STATE TECHNOLOGY ASSOCIATION Date: May 2007 Issue: D Item: 11.2-765(s) JEDEC Publication 95 Page 4.19-1/D PLASTIC QUAD NO-LEAD STAGGE……