Exhibit 32.1

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

In connection with the Annual Report of AMIS Holdings, Inc. (the "Company") on
Form 10-K/A (Amendment No. 1) for the fiscal year ended December 31, 2005 as
filed with the Securities and Exchange Commission on the date hereof (the
"Report"), I, Christine King, Chief Executive Officer of the Company, certify,
pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of
the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material
respects, the financial condition and results of operations of the Company.

/s/ CHRISTINE KING

Christine King
Chief Executive Officer
November 22, 2006

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