<ARTICLE> 5
<MULTIPLIER> 1,000
<CURRENCY> US DOLLARS
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               JUN-30-1996
<EXCHANGE-RATE>                                      1
<CASH>                                          31,957
<SECURITIES>                                    15,883
<RECEIVABLES>                                    6,964
<ALLOWANCES>                                     (895)
<INVENTORY>                                      1,985
<CURRENT-ASSETS>                                57,934
<PP&E>                                           3,206
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                  61,274
<CURRENT-LIABILITIES>                            9,637
<BONDS>                                            387
<COMMON>                                           125
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                      51,125
<TOTAL-LIABILITY-AND-EQUITY>                    61,274
<SALES>                                         20,780
<TOTAL-REVENUES>                                20,780     
<CGS>                                            6,815
<TOTAL-COSTS>                                    6,815    
<OTHER-EXPENSES>                                 9,133
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  5,682
<INCOME-TAX>                                     1,534
<INCOME-CONTINUING>                              4,148
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     4,148
<EPS-PRIMARY>                                     0.31
<EPS-DILUTED>                                     0.31

<FN>
ADDITIONAL CURRENT ASSET DEFERRED TAXES AND OTHER  2,040
OTHER ASSETS, NET  134
INTEREST INCOME, NET  850
</FN>