1 Exhibit 12.01 Fairchild Semiconductor Corporation Computation of Ratio of Earnings to Fixed Charges (Dollars in millions) Seven Months Year Ended Fiscal Year Ended May Ended December 26, December 31, 1996 1997 1998 1999 1999 2000 Earnings: Income (loss) before income taxes 72.3 19.3 32.8 (119.2) 26.3 270.7 Interest expense 0.0 11.2 56.5 72.3 56.5 81.3 Interest portion of rental expense 1.6 1.7 3.2 4.2 2.7 3.5 -------------------------------------------------------------------------------- Total earnings 73.9 32.2 92.5 (42.7) 85.5 355.5 ================================================================================ Fixed Charges: Interest expense 0.0 11.2 56.5 72.3 56.5 81.3 Interest portion of rental expense 1.6 1.7 3.2 4.2 2.7 3.5 -------------------------------------------------------------------------------- Total fixed charges 1.6 12.9 59.7 76.5 59.2 84.8 ================================================================================ Ratio of earnings to fixed charges 46.2 2.5 1.5 (1) 1.4 4.2 (1) Earnings were inadequate to cover fixed charges by $119.2 million for Fiscal 1999