Exhibit 21.1

MICROCHIP TECHNOLOGY INCORPORATED

LIST OF SIGNIFICANT SUBSIDIARIES

Entity Name						Jurisdiction of Incorporation
Atmel U.K. Holdings Limited						United Kingdom
MCHP Israel Holdings 2 Ltd						Israel
Microchip Communications, LLC						USA (Delaware)
Microchip Frequency Technology GmbH						Germany
Microchip Limited						United Kingdom
Microchip MCHP Technology Israel Ltd						Israel
Microchip Storage Solutions LLC						USA (Delaware)
Microchip Technology (India) Private Limited						India
Microchip Technology (Thailand) Co. Ltd.						Thailand
Microchip Technology (UK) Holdings Ltd						United Kingdom
Microchip Technology Caldicot Limited						United Kingdom
Microchip Technology Ireland Limited						Ireland
Microchip Technology LLC						USA (Delaware)
Microchip Technology Malta Limited						Malta
Microchip Technology Trading (Shanghai) Co. Ltd.						Peoples Republic of China
Microsemi Corp. - High Performance Timing						USA (Delaware)
Microsemi Corp. – Holding						Cayman Islands
Microsemi Corp. – Holding 2						Cayman Islands
Microsemi Corp. - Massachusetts						USA (Delaware)
Microsemi Corporation						USA (Delaware)
Microsemi Israel, Ltd.						Israel
Microsemi Semiconductor ULC						Canada (British Columbia)
Microsemi SoC Corp.						USA (California)
Microsemi Solutions Sdn. Bhd.						Malaysia
Microsemi Solutions UK Limited						United Kingdom
Microsemi Storage Solutions Ltd.						Canada (British Columbia)
Silicon Storage Technology Inc.						USA (California)