<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONSOLIDATED CONDENSED FINANCIAL STATEMENTS AS OF AND FOR THE
SIX-MONTH PERIOD ENDED JUNE 30, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO THE COMPANY'S QUARTERLY REPORT ON FORM 10-Q FOR THE SIX-MONTH
PERIOD ENDED JUNE 30, 1997.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                         313,409
<SECURITIES>                                 2,357,127
<RECEIVABLES>                                  478,448
<ALLOWANCES>                                 (118,549)
<INVENTORY>                                    479,816
<CURRENT-ASSETS>                             3,643,678
<PP&E>                                       1,303,845
<DEPRECIATION>                             (1,089,963)
<TOTAL-ASSETS>                               4,003,741
<CURRENT-LIABILITIES>                          687,223
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        13,425
<OTHER-SE>                                   3,303,093
<TOTAL-LIABILITY-AND-EQUITY>                 4,003,741
<SALES>                                        567,346
<TOTAL-REVENUES>                               567,346
<CGS>                                          443,246
<TOTAL-COSTS>                                  443,246
<OTHER-EXPENSES>                               546,866
<LOSS-PROVISION>                                95,627
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                            (1,445,596)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                        (1,445,596)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (1,445,596)
<EPS-PRIMARY>                                   (0.11)
<EPS-DILUTED>                                   (0.11)