Exhibit 21.1

MICROCHIP TECHNOLOGY INCORPORATED

LIST OF SIGNIFICANT SUBSIDIARIES

Entity Name	Jurisdiction of Incorporation
MBarb Malta Limited	Malta
Microchip Technology LLC	USA (Delaware)
Microsemi Corp. – Holding	Cayman Islands
Microsemi Corp. – Holding 2	Cayman Islands
Microsemi Corporation	USA (Delaware)
Microsemi SoC Corp.	USA (California)
Microchip Communications, LLC	USA (Delaware)
Microsemi Storage Solutions, Inc.	USA (Delaware)
Microchip Malta BMD Limited	Ireland
Microchip Technology Ireland Limited	Ireland
Microchip Technology Malta Limited	Ireland
Microchip Technology Caldicot Limited	United Kingdom
Microsemi IOM Limited	Isle of Mann
Microchip Technology (Thailand) Co. Ltd.	Thailand
Microsemi Solutions Sdn. Bhd.	Malaysia