Microsemi, a manufacturer of analog mixed-signal integrated circuits, high reliability semiconductors and RF subsystems, will acquire Actel for $20.88 per share through a cash tender offer. The total transaction value is approximately $430 million, net of Actel’s projected cash balance at closing.

Headquartered in Mountain View, California, Actel is a supplier of low-power, mixed-signal, and radiation-tolerant FPGAs serving the Mil/Aero, Industrial, Communication, and Consumer markets.

Microsemi`s net sales for fiscal year 2009 were $453.0 million. GAAP net loss for fiscal year 2009 was $26.8 million.

For the full fiscal year, Actel net revenues were $190.6 million. The company reported 2009 net loss of $ $46.2 million.