CONSOLIDATED BALANCE SHEETS

      March 31,
(In thousands except per share amounts) 1998 1997
ASSETS
CURRENT ASSETS:
   Cash and cash equivalents $166,861 $215,903
   Short-term investments 195,326 209,944
   Accounts receivable, net of allowance for doubtful accounts, pricing
      adjustments and customer returns of $8,408 and $5,734 in 1998
      and 1997, respectively		 60,912 72,248
   Inventories 55,289 62,367
   Deferred income taxes 38,694 36,420
   Advances for wafer purchases 72,267 --
   Other current assets 10,875 4,673
      Total current assets 600,224 601,555
Property, plant and equipment, at cost:
   Land 10,361 3,111
   Building 27,414 26,840
   Machinery and equipment 114,955 114,525
   Furniture and fixtures 10,902 9,967
163,632 154,443
   Accumulated depreciation and amortization (75,356) (67,863)
Net property, plant and equipment 88,276 86,580
Restricted investments 36,271 36,257
Investment in joint venture 90,872 35,286
Advances for wafer purchases 77,342 60,000
Developed technology and other assets 48,253 28,015
$941,238 $847,693
LIABILITIES AND STOCKHOLDERS' EQUITY
CURRENT LIABILITIES:
   Accounts payable $ 20,332 $ 16,758
   Accrued payroll and payroll related liabilities 15,318 13,769
   Interest payable 5,399 5,364
   Income tax payable 16,692 10,858
   Deferred income on shipments to distributors 55,898 36,355
   Other accrued liabilities 12,018 14,149
      Total current liabilities 125,657 97,253
Long-term debt 250,000 250,000
Deferred tax liabilities 15,406 9,760
Commitments and contingencies
STOCKHOLDERS' EQUITY:
Preferred stock, $.01 par value; 2,000 shares authorized; none issued
   and outstanding		 -- --
Common stock, $.01 par value; 300,000 shares authorized; 74,363
   and 73,383 shares issued; 72,913 and 73,342 shares outstanding at
   March 31, 1998 and 1997, respectively		 729 733
Additional paid-in capital 119,070 114,447
Retained earnings 504,468 377,881
Unrealized gain on available-for-sale securities, net of tax 102 83
Treasury stock, at cost (56,973) (1,847)
Cumulative translation adjustment (17,221) (617)
      Total stockholders' equity 550,175 490,680
$941,238 $847,693
See accompanying notes.

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