Worldwide sales of semiconductors of $20.09 bln in February 2007 were 6.5% lower than January when sales were $21.48 bln, the Semiconductor Industry Association (SIA) reported. February 2007 sales increased by 4.2% from the $19.28 bln recorded in February 2006. Unit sales of microprocessors were up almost 8% while ASPs declined 15%, and NAND flash units grew by over 40% while experiencing a nearly 50% drop in ASPs. SIA noted that overall capacity utilization declined from 88.9% in Q3 2006 to 86.8% in Q4 2006. Most of the decline was in foundry utilization, which fell from 91.5% in Q3 2006 to 80.9% in Q4 2006.