EXHIBIT 32.2

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Francis Barton, certify, pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual
Report of Atmel Corporation on Form 10-K for the fiscal year ended December 31,
2003 (i) fully complies with the requirements of Section 13(a) or 15(d) of the
Securities Exchange Act of 1934 and (ii) that information contained in such
Annual Report on Form 10-K fairly presents, in all material respects, the
financial condition and results of operations of Atmel Corporation.

MARCH 12, 2004                   By: /S/ FRANCIS BARTON
                                     -------------------
                                        Francis Barton
                                        Executive Vice President
                                        and Chief Financial Officer