Irvine-based Broadcom has acquired Octalica, a company that develops semiconductors for the Multimedia over Coax Alliance (MoCA) standard, the firm said this morning. The deal is worth $31M in cash, and is expected to close by June 30th. Massachusetts-based Octalica's products are used for distributing digital multimedia content to the home, and is used by cable, satellite, and telecommunications carriers. Octalica also maintains a design team in Tel Aviv, Israel, and has 27 employees.