EXHIBIT 21.1

LIST OF REGISTRANT’S SUBSIDIARIES

State or other jurisdiction of incorporation

Baccarat Silicon, Inc. Bay Semiconductor, Inc. Integrated Device Technology Asia Limited IDT Asia, Limited IDT Canada Inc. IDT Canada Holdings Inc. IDT Design Australia Pty Ltd. IDT Europe Limited I.D.T. France S.A.R.L. IDT Foreign Sales Corporation Integrated Device Technology International Holdings, Inc. Integrated Device Technology, Inc. Cayman Islands Corporation Integrated Device Technology (Philippines), Ltd. IDT Integrated Device Technology AB (Sweden) Integrated Device Technology GmbH Integrated Device Technology (Israel) Ltd. Integrated Device Technology S.r.l. Integrated Device Technology Korea, Inc. Integrated Device Technology (Malaysia) SDN. BHD Integrated Device Technology Realty Holdings, Inc. Integrated Device Technology Holding Inc. Integrated Device Technology (Philippines), Inc. Integrated Device Technology Singapore (1997) Pte Ltd Newave Semiconductor Corp. IDT-Newave Technology (Shanghai) Co., Ltd. Nippon IDT K.K.

California California Hong Kong Hong Kong Canada Canada Australia United Kingdom France Barbados California Cayman Islands Cayman Islands Sweden Germany Israel Italy Korea Malaysia Philippines Philippines Philippines Singapore California China Japan