Exhibit 12.1

Analog Devices, Inc.
Ratio of Earnings to Fixed Charges

	Fiscal Year Ended
	November 3,		November 1,		October 31,		October 30,		October 29,
(In thousands, except ratios)	2007		2008		2009		2010		2011
Determination of earnings:
Income from continuing operations before provision for taxes on income	$	661,457	$	666,102	$	297,444	$	901,665	$	1,061,447
Amortization of Capitalized interest		982		982		982		440		54
Fixed charges		1,834		1,607		5,243		11,388		19,892
Total earnings as defined		664,273		668,691		303,669		913,493		1,081,393
Fixed Charges:
Interest and amortization expense		7		81		3,853		10,226		18,892
Interest portion of rent expense		1,827		1,526		1,390		1,162		1,000
Fixed charges		1,834		1,607		5,243		11,388		19,892
Capitalized interest		—		—
Total fixed charges	$	1,834	$	1,607	$	5,243	$	11,388	$	19,892
Ratio of earnings to fixed charges		362.2		416.1		57.9		80.2		54.4