Santa Clara, Calif. -- Ciranova, a Santa Clara-based start-up developing layout technology used in chip design, said on Monday that it has raised $5.25 million in a new round of funding, led by Alloy Ventures. Synopsys, Mentor Graphics and previous investors US Venture Partners, Asiatech Management and Jim Solomon, the founder of Cadence, also participated. The company said that it will use the proceeds to further develop its interoperable analog and custom physical design technology. "We have been working very closely with Synopsys and Mentor Graphics to ensure interoperability of their tools," said Eric Filseth, the CEO of Ciranova. "We're excited to have them as investors."