
<TABLE> <S> <C>

<ARTICLE> 5
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUN-30-1998
<PERIOD-START>                             JUL-01-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                      13,946,000
<SECURITIES>                                27,182,000
<RECEIVABLES>                               20,322,000
<ALLOWANCES>                                   561,000
<INVENTORY>                                 13,985,000
<CURRENT-ASSETS>                            76,094,000
<PP&E>                                      10,462,000
<DEPRECIATION>                               4,892,000
<TOTAL-ASSETS>                              89,183,000
<CURRENT-LIABILITIES>                        7,237,000
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         9,000
<OTHER-SE>                                  81,937,000
<TOTAL-LIABILITY-AND-EQUITY>                89,183,000
<SALES>                                     28,331,000
<TOTAL-REVENUES>                            28,331,000
<CGS>                                       12,437,000
<TOTAL-COSTS>                               31,692,000
<OTHER-EXPENSES>                             6,750,000
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                          (1,095,000)
<INCOME-PRETAX>                             (9,016,000)
<INCOME-TAX>                                   413,000
<INCOME-CONTINUING>                         (9,429,000)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                (9,429,000)
<EPS-PRIMARY>                                    (1.03)
<EPS-DILUTED>                                    (1.03)
        

</TABLE>
