POWER OF ATTORNEY

The undersigned, as a Section 16 reporting person of Lattice
Semiconductor Corporation (the "Company"), hereby constitutes
and appoints Tracy Feanny and Sherri Luther, and
each of them, the undersigned's true and lawful attorney-in-
fact to:

1. complete and execute Forms 3, 4 and 5 and other forms and
all amendments thereto as such attorney-in-fact shall in his
or her discretion determine to be required or advisable
pursuant to Section 16 of the Securities and Exchange Act of
1934 (as amended) and the rules and regulations promulgated
thereunder, or any successor laws and regulations, as a
consequence of the undersigned's ownership, acquisition or
disposition of securities of the Company; and

2. do all acts necessary in order to file such forms with the
Securities and Exchange Commission, any securities exchange or
national association, the Company and such other person or
agency as the attorney-in-fact shall deem appropriate.

The undersigned hereby ratifies and confirms all that said
attorneys-in-fact and agents shall do or cause to be done by
virtue hereof.  The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at
the request of the undersigned, are not assuming, nor is the
Company assuming, any of the undersigned's responsibilities
to comply with Section 16 of the Securities Exchange Act of
1934 (as amended).

This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3,
4 and 5 with respect to the undersigned's holdings of and
transactions in securities issued by the Company, unless
earlier revoked by the undersigned in a signed writing
delivered to the Company and the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 16th Day of February 2022.

Signature:
Print Name: Glenn O'Rourke