<SEC-DOCUMENT>0000768251-14-000018-index.html : 20140613
<SEC-HEADER>0000768251-14-000018.hdr.sgml : 20140613
<ACCEPTANCE-DATETIME>20140507165420
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0000768251-14-000018
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20140507

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALTERA CORP
		CENTRAL INDEX KEY:			0000768251
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				770016691
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		101 INNOVATION DR
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134
		BUSINESS PHONE:		408.544.8790

	MAIL ADDRESS:	
		STREET 1:		101 INNOVATION DR
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134
</SEC-HEADER>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
Document 1 - file: filename1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>altera-logo.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: altera-logo.gif

</DOCUMENT>
</SEC-DOCUMENT>