Exhibit 21.1

MICROCHIP TECHNOLOGY INCORPORATED

LIST OF SIGNIFICANT SUBSIDIARIES

Entity Name						Jurisdiction of Incorporation
Atmel U.K. Holdings Limited						United Kingdom
Microchip Communications, LLC						USA (Delaware)
Microchip Storage Solutions LLC						USA (Delaware)
Microchip Technology (Thailand) Co. Ltd.						Thailand
Microchip Technology Ireland Limited						Ireland
Microchip Technology LLC						USA (Delaware)
Microchip Technology Malta Limited						Malta
Microsemi Corporation						USA (Delaware)
Microsemi SoC Corp.						USA (California)
Microsemi Solutions Sdn. Bhd.						Malaysia
Microsemi Solutions UK Limited						United Kingdom
Silicon Storage Technology Inc.						USA (California)