WASHINGTON, D.C. 20549


                                   FORM 8 - K

                                 CURRENT REPORT

     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

        Date of Report (Date of earliest event reported): March 12, 2001

                              Data I/O Corporation
             (Exact name of registrant as specified in its charter)

                 (State of other jurisdiction of incorporation)

                               0-10394 91-0864123
           (Commission File Number) (IRS Employer Identification No.)

                 10525 Willows Road N.E., Redmond, WA 98073-9746
               (Address of principal executive offices) (Zip Code)

       Registrant's telephone number, including area code: (425) 881-6444

                                 Not Applicable
          (Former name or former address, if changed since last report)

                                Page 1 of 2 Pages

Item 8.   Change in Fiscal Year

Data I/O Corporation  has reported on a fifty-two, fifty-three  week basis.  The
last  reporting  period using this fiscal period was the year ended December 28,
2000. Data I/O Corporation's  Board of Directors  approved a resolution on March
12,  2001 to  change  the  Company's  reporting  period to a  calendar  year and
calendar  quarter basis effective for the current fiscal year. The first quarter
of 2001 shall cover the period  December  29, 2000 to March 31, 2001 and will be
reported on Form 10-Q.  No transition  report will be required.  The fiscal year
2001 shall cover the period  December  29, 2000 to December 31, 2001 and will be
reported on the Form 10-K.


Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.

                                    Data I/O Corporation

March 19, 2001                      By /s/Joel S. Hatlen
                                    Joel S. Hatlen
                                    Vice President - Finance
                                    Chief Financial Officer
                                    Secretary and Treasurer