Exhibit 21.1

LIST OF REGISTRANT’S SUBSIDIARIES

	State of other jurisdiction of incorporation
Baccarat Silicon, Inc.	California
Bay Semiconductor, Inc.	California
Creative Electric, Inc.	New York
Integrated Circuit Systems, Inc.	Pennsylvania
ICST, Inc.	Pennsylvania
ICS Technologies, Inc.	Delaware
Integrated Circuit Systems Ltd.	United Kingdom
Integrated Device Technology Asia Limited	Hong Kong
IDT Asia, Limited	Hong Kong
IDT Design Australia Pty Ltd.	Australia
Integrated Device Technology Bermuda, Ltd.	Bermuda
IDT Europe Limited	United Kingdom
I.D.T. France S.A.R.L.	France
IDT Foreign Sales Corporation	Barbados
Integrated Device Technology International Holdings, Inc.	California
IDT Integrated Device Technology AB (Sweden)	Sweden
Integrated Device Technology GmbH	Germany
Integrated Device Technology Ireland Holding, Ltd. (Ireland)	Ireland
Integrated Device Technology (Israel) Ltd.	Israel
Integrated Device Technology S.r.l.	Italy
Integrated Device Technology Korea, Inc.	Korea
Integrated Device Technology (Malaysia) SDN. BHD	Malaysia
Integrated Device Technology Realty Holdings, Inc.	Philippines
Integrated Device Technology Holding, Inc.	Philippines
Integrated Device Technology (Philippines), Inc.	Philippines
IDT Singapore Pte. Ltd.	Singapore
Integrated Device Technology Singapore (1997) Pte Ltd	Singapore
Newave Semiconductor Corporation	California
Micro Networks Corporation	Delaware
MNC Worchester Corporation	Delaware
IDT- Newave Technology (Shanghai) Co. Ltd.	China
Nippon IDT K.K.	Japan
Integrated Device Technology (Philippines) Ltd.	Cayman Islands
IDT Canada Inc.	Canada
IDT Canada Holdings Inc.	Canada
ZettaCom, Inc.	Delaware