National Semi Acquires Xignal

National Semiconductor Corp. (NYSE: NSM) has acquired Xignal Technologies AG, a Germany-based provider of high-speed data converters. No financial terms were disclosed. Xignal raised around $18 million over two rounds of VC funding in 2001 and 2003, from firms like Benchmark Capital Europe, Atila Ventures, BayTech Venture Capital and STAR Ventures.