BUSINESS COMBINATIONS On January 9, 2012 , the Company acquired Advanced Analogic Technologies Inc. ("AATI"). The Company acquired all of the outstanding shares of AATI in exchange for an aggregate purchase price of $277.3 million , substantially comprised of cash consideration. AATI is an analog semiconductor company focused on enabling energy-efficient power management devices for consumer electronics, computing and communications markets. The acquisition expands the Company's product portfolio across new vertical markets with highly complementary analog semiconductor products including battery chargers, DC/DC converters, voltage regulators and LED drivers. The allocation of the purchase price to the assets and liabilities recognized in the Company s acquisition of AATI was not finalized at the time of filing this quarterly report on Form 10-Q. The preliminary allocation of the purchase price reflected in the accompanying financial statements is based upon estimates and assumptions which are subject to change within the measurement period (up to one year from the acquisition date as prescribed in the Financial Accounting Standards Board ("FASB") Accounting Standards Codification ("ASC") 805 - Business Combinations ). The preliminary allocation of the purchase price is based on the estimated fair values of the assets acquired and liabilities assumed by major class related to the AATI acquisition and are reflected, as of the acquisition date, in the accompanying financial statements as follows (in thousands): As of Estimated fair value of assets acquired January 9, 2012 Cash $ 42,605 Short-term investments 20,900 Accounts receivable 10,962 Inventory 15,470 Deferred tax assets 18,358 Property, plant and equipment 3,693 Other assets 2,139 Identifiable intangible assets 40,240 Goodwill 138,742 Total assets acquired 293,109 Liabilities assumed (15,765 ) Estimated fair value of assets acquired $ 277,344 The preliminary amount of the AATI purchase price allocated to goodwill of $138.7 million (including immaterial meas