<ARTICLE>                                5
<LEGEND>                             
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONDENSED
CONSOLIDATED BALANCE SHEET AND CONDENSED  CONSOLIDATED  STATEMENT OF ARNINGS AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS
</LEGEND>                            
<MULTIPLIER>                                    1,000
                                          
                                        
<PERIOD-TYPE>                            6-MOS
<FISCAL-YEAR-END>                        DEC-31-1997
<PERIOD-END>                             JUN-30-1997

<CASH>                                         31,443
<SECURITIES>                                   57,028
<RECEIVABLES>                                  39,484
<ALLOWANCES>                                        0
<INVENTORY>                                    38,481
<CURRENT-ASSETS>                              169,331
<PP&E>                                         22,339
<DEPRECIATION>                                      0
<TOTAL-ASSETS>                                201,133
<CURRENT-LIABILITIES>                          40,413
<BONDS>                                             0
<PREFERRED-MANDATORY>                               0
<PREFERRED>                                         0
<COMMON>                                      127,104
<OTHER-SE>                                      2,827
<TOTAL-LIABILITY-AND-EQUITY>                  201,133
<SALES>                                       129,495
<TOTAL-REVENUES>                              129,495
<CGS>                                          61,300
<TOTAL-COSTS>                                  61,300
<OTHER-EXPENSES>                               62,090
<LOSS-PROVISION>                                    0
<INTEREST-EXPENSE>                                358
<INCOME-PRETAX>                                 6,617
<INCOME-TAX>                                    1,323
<INCOME-CONTINUING>                             5,294
<DISCONTINUED>                                      0
<EXTRAORDINARY>                                     0
<CHANGES>                                           0
<NET-INCOME>                                    5,294
<EPS-PRIMARY>                                       0.24
<EPS-DILUTED>                                       0.24