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Exhibit 21.1

NATIONAL SEMICONDUCTOR CORPORATION
SUBSIDIARIES AND AFFILIATES OF THE REGISTRANT

The following table shows certain information with respect to our active subsidiaries and affiliates as of May 29, 2011, all of which are included in our consolidated financial statements.

SUBSIDIARIES AND AFFILIATES OF NATIONAL SEMICONDUCTOR CORPORATION

Name	State or Other Jurisdiction of Incorporation	Other Country In Which Subsidiary is Registered		Percent of Voting Securities Owned by National
ActSolar, Inc.	Delaware				100	%
Algorex Inc.	California				100	%
Energy Recommerce, Inc.	California				100	%
innoCOMM Wireless	California				100	%
Mediamatics, Inc.	California				100	%
National Acquisition Sub, Inc.	Delaware				100	%
National Semiconductor International, Inc.	Delaware				100	%
National Semiconductor (Maine), Inc.	Delaware				100	%
National Semiconductor Malaysia LLC	Delaware				100	%
ASIC II Limited	Hawaii				100	%
National Semiconductor Estonia Ou	Estonia				100	%
National Semiconductor Finland Oy	Finland				100	%
National Semiconductor France S.A.R.L.	France				100	%
National Semiconductor GmbH	Germany				100	%
National Semiconductor Germany AG	Germany				100	%
National Semiconductor (I.C.) Ltd.	Israel				100	%
National Semiconductor S.r.l.	Italy				100	%
National Semiconductor Aktiebolag	Sweden				100	%
National Semiconductor Sweden Aktiebolag	Sweden				100	%
National Semiconductor (U.K.) Ltd.	Great Britain		Finland/Spain		100	%
National Semiconductor (U.K.) Holdings Ltd.	Great Britain				100	%
National Semiconductor (U.K.) Pension Trust Company Ltd.	Great Britain				100	%
National Semiconductor Benelux B.V.	Netherlands				100	%
National Semiconductor B.V.	Netherlands				100	%
National Semiconductor International B.V.	Netherlands				100	%
Natsem India Designs Pvt. Ltd.	India				100	%
National Semiconductor Hong Kong Limited	Hong Kong		People's Republic of China		100	%
National Semiconductor (Far East) Limited	Hong Kong		Taiwan		100	%
National Semiconductor Hong Kong Sales Limited	Hong Kong				100	%
National Semiconductor Manufacturing Hong Kong Limited	Hong Kong				100	%
National Semiconductor International Hong Kong Limited	Hong Kong				100	%
National Semiconductor Japan Ltd.	Japan				100	%
National Semiconductor Korea Limited	Korea				100	%
National Semiconductor Labuan Ltd.	Malaysia				100	%
National Semiconductor SDN. BHD.	Malaysia				100	%
National Semiconductor Technology SDN. BHD.	Malaysia				100	%
National Semiconductor Services Malaysia SDN BHD	Malaysia				100	%
National Semiconductor Holding SDN BHD	Malaysia				100	%
National Semiconductor Pte. Ltd.	Singapore				100	%
National Semiconductor Asia Pacific Pte. Ltd.	Singapore				100	%

Name	State or Other Jurisdiction of Incorporation	Other Country In Which Subsidiary is Registered	Percent of Voting Securities Owned by National
National Semiconductor Manufacturer Singapore Pte. Ltd.	Singapore			100	%
National Semiconductor Management Shanghai Ltd.	People's Republic of China			100	%
National Semiconductor (Suzhou) Ltd.	People's Republic of China			100	%
National Semiconductor Manufacturing China Trust	People's Republic of China			100	%
National Semiconductor Canada, Inc.	Canada			100	%
National Semicondutores do Brasil Ltda.	Brazil			100	%
National Semicondutores da America do Sul Ltd.	Brazil			100	%
Electronica NSC de Mexico, S.A. de C.V.	Mexico			100	%
National Semiconductor Investments, Ltd.	British Virgin Islands			100	%
National Semiconductor Investments II, Ltd	British Virgin Islands			100	%

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Exhibit 21.1