<ARTICLE> 5
<CURRENCY> U.S. DOLLARS
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               JUN-30-1996
<EXCHANGE-RATE>                                      1
<CASH>                                          30,119
<SECURITIES>                                    10,800
<RECEIVABLES>                                   13,042
<ALLOWANCES>                                     (395)
<INVENTORY>                                      5,128
<CURRENT-ASSETS>                                64,122
<PP&E>                                          15,383
<DEPRECIATION>                                   4,250
<TOTAL-ASSETS>                                  85,312
<CURRENT-LIABILITIES>                           10,392
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             8
<OTHER-SE>                                      71,512
<TOTAL-LIABILITY-AND-EQUITY>                    71,520
<SALES>                                         26,025
<TOTAL-REVENUES>                                38,149
<CGS>                                           18,105
<TOTAL-COSTS>                                   11,485
<OTHER-EXPENSES>                                  (21)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               (168)
<INCOME-PRETAX>                                  9,245
<INCOME-TAX>                                     3,814
<INCOME-CONTINUING>                              5,431
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     5,431
<EPS-PRIMARY>                                     0.70
<EPS-DILUTED>                                     0.70