<SEC-DOCUMENT>0001193125-17-014283-index.html : 20170120
<SEC-HEADER>0001193125-17-014283.hdr.sgml : 20170120
<ACCEPTANCE-DATETIME>20170120170100
ACCESSION NUMBER:		0001193125-17-014283
CONFORMED SUBMISSION TYPE:	PRER14A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20170120
DATE AS OF CHANGE:		20170120

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LATTICE SEMICONDUCTOR CORP
		CENTRAL INDEX KEY:			0000855658
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				930835214
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0102

	FILING VALUES:
		FORM TYPE:		PRER14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-18032
		FILM NUMBER:		17539116

	BUSINESS ADDRESS:	
		STREET 1:		111 SW 5TH AVE., SUITE 700
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97204
		BUSINESS PHONE:		5032688000

	MAIL ADDRESS:	
		STREET 1:		111 SW 5TH AVE., SUITE 700
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97204
</SEC-HEADER>
<DOCUMENT>
<TYPE>PRER14A
<SEQUENCE>1
<FILENAME>d268370dprer14a.htm
<DESCRIPTION>PRER14A
<TEXT>
Document 1 - file: d268370dprer14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g268370g11a41.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g268370g11a41.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g268370g25t14.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g268370g25t14.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g268370g26p01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g268370g26p01.jpg

</DOCUMENT>
</SEC-DOCUMENT>