Statement of Changes in Beneficial Ownership (4)

FORM 4

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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3235-0287

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * NELSON MARK JON	2. Issuer Name and Ticker or Trading Symbol LATTICE SEMICONDUCTOR CORP [ LSCC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) VP Corp, Sales
(Last)          (First)          (Middle) 5555 NE MOORE COURT	3. Date of Earliest Transaction (MM/DD/YYYY) 2/14/2020
(Street) HILLSBORO, OR 97124 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Performance Restricted Stock Unit (PRSU)	$0.0 (1)	2/14/2020		A		19411		2/14/2022 (2)	(3)	Common Stock	19411	$0.0 (4)	215632	D
Performance Restricted Stock Unit (PRSU)	$0.0 (1)	2/14/2020		A		19411		2/14/2023 (5)	(3)	Common Stock	19411	$0.0 (4)	235043	D
Restricted Stock Unit (RSU)	$0.0 (1)	2/14/2020		A		29116		2/14/2021 (6)	(3)	Common Stock	29116	$0.0 (4)	280908	D

Explanation of Responses:
(1)	Restricted Stock Units - no exercise price for this transaction.
(2)	Performance Restricted Stock Units (PRSUs) vest as follows: PRSUs will vest on the two year anniversary of the date of grant, subject to the achievement of certain performance conditions.
(3)	Not applicable.
(4)	Restricted Stock Units - no purchase price for this transaction.
(5)	Performance Restricted Stock Units (PRSUs) vest as follows: PRSUs will vest on the three year anniversary of the date of grant, subject to the achievement of certain performance conditions.
(6)	Grants of Restricted Stock Units (RSUs) vest as follows: 25% of the RSUs will vest on the first anniversary of the date of grant, and an additional 6.25% of the RSUs shall vest at the end of each three month period thereafter.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
NELSON MARK JON 5555 NE MOORE COURT HILLSBORO, OR 97124			VP Corp, Sales

Signatures
By: Byron W. Milstead, Attorney in Fact For: Mark J. Nelson		2/28/2020
**Signature of Reporting Person		Date