BOSTON, Jan. 7 -- Teradyne Inc. will lay off 320 employees and vacate a plant in California as part of an effort to cut expenses. The company will take an $11 million charge.

In an SEC filing today, Teradyne said it would terminate approximately 320 employees from its Connection Systems and Assembly Test divisions and vacate a facility leased by the company's Assembly Test division in Poway, CA.

The restructuring is expected to be completed during this quarter.