Microchip Technology Inc. on April 4 completed its acquisition of Atmel Corp. for a transaction value of $3.31 billion.

The company offered $8.15 per share for the stake.

In addition to general closing conditions, the deal required additional review for antitrust concerns.

JPMorgan Chase & Co. was the financial adviser for Microchip Technology, and Wilson Sonsini Goodrich & Rosati Professional Corp. was the legal adviser.

Qatalyst Partners LP was the financial adviser for Atmel, while Jones Day was the legal adviser.