<ARTICLE> 5
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<EXCHANGE-RATE>                                      1
<CASH>                                          55,405
<SECURITIES>                                    10,449
<RECEIVABLES>                                   19,080
<ALLOWANCES>                                       706
<INVENTORY>                                     15,678
<CURRENT-ASSETS>                               112,994
<PP&E>                                          17,415
<DEPRECIATION>                                   5,708
<TOTAL-ASSETS>                                 129,467
<CURRENT-LIABILITIES>                           28,251
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            14
<OTHER-SE>                                      98,806
<TOTAL-LIABILITY-AND-EQUITY>                   129,467
<SALES>                                         62,510
<TOTAL-REVENUES>                                64,995
<CGS>                                           35,583
<TOTAL-COSTS>                                   35,853
<OTHER-EXPENSES>                                21,528
<LOSS-PROVISION>                                   741
<INTEREST-EXPENSE>                                 467
<INCOME-PRETAX>                                  7,701
<INCOME-TAX>                                     1,191
<INCOME-CONTINUING>                              6,510
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     6,510
<EPS-PRIMARY>                                      .58
<EPS-DILUTED>                                      .56