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