<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM MARCH 31,
1998 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          JUN-30-1998
<PERIOD-START>                             JUL-01-1997
<PERIOD-END>                               MAR-31-1998
<CASH>                                           9,620
<SECURITIES>                                    14,565
<RECEIVABLES>                                    9,643
<ALLOWANCES>                                     1,435
<INVENTORY>                                      8,039
<CURRENT-ASSETS>                                40,930
<PP&E>                                           7,973
<DEPRECIATION>                                   3,408
<TOTAL-ASSETS>                                  45,934
<CURRENT-LIABILITIES>                            9,153
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        24,116
<OTHER-SE>                                      12,477
<TOTAL-LIABILITY-AND-EQUITY>                    45,934
<SALES>                                         35,884
<TOTAL-REVENUES>                                35,884
<CGS>                                           21,397
<TOTAL-COSTS>                                   31,087
<OTHER-EXPENSES>                                   150
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  5,373
<INCOME-TAX>                                     1,773
<INCOME-CONTINUING>                              3,600
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     3,600
<EPS-PRIMARY>                                     0.56
<EPS-DILUTED>                                     0.39