Microchip filed a notice with the state of Arizona on March 3 announcing intent to lay off 330 people from the Tempe facility. When the company announced the closure in December, the plant was not planned to close until September. The closure of the plant will save the company about $90 million annually, company officials said in the filing.

Microchip Technology Inc. will close its Tempe semiconductor wafer manufacturing ... Microchip filed a notice with the state of Arizona on March 3 announcing intent to lay off 330 people from ...