<ARTICLE>     5          
<MULTIPLIER>        1,000          
                         
                             
<PERIOD-TYPE>       3-MOS          
<FISCAL-YEAR-END>             DEC-31-1996
<PERIOD-END>                  MAR-31-1996
<CASH>                            10,487
<SECURITIES>                           37,638
<RECEIVABLES>                     28,188
<ALLOWANCES>                      0
<INVENTORY>                       29,527
<CURRENT-ASSETS>                  96,127
<PP&E>                            35,586
<DEPRECIATION>                    0
<TOTAL-ASSETS>                   164,599
<CURRENT-LIABILITIES>             21,684
<BONDS>                                0
<COMMON>                          11,601
<PREFERRED-MANDATORY>             0
<PREFERRED>                       0
<OTHER-SE>                       111,509
<TOTAL-LIABILITY-AND-EQUITY>          164,599
<SALES>                                56,108
<TOTAL-REVENUES>                  56,739
<CGS>                             16,678
<TOTAL-COSTS>                     16,678
<OTHER-EXPENSES>                  0
<LOSS-PROVISION>                252
<INTEREST-EXPENSE>                    10
<INCOME-PRETAX>               6,789
<INCOME-TAX>                       2,765
<INCOME-CONTINUING>           4,024
<DISCONTINUED>                    0
<EXTRAORDINARY>                   0
<CHANGES>                         0
<NET-INCOME>                       4,024
<EPS-PRIMARY>                       0.35
<EPS-DILUTED>                       0.35