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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * PAPA GEORGE A   2. Issuer Name and Ticker or Trading Symbol ALTERA CORP [ALTR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) __X__ Other (specify below) Sr VP, Worldwide Sales / Sr VP, Worldwide Sales (Last) (First) (Middle) 101 INNOVATION DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 03/18/2008 (Street) SAN JOSE, CA 95134 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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 Common Stock 03/18/2008   A   40,000 (1) A (2) 79,993 D   Common Stock 04/30/2008   F   3,575 (3) D $ 21.28 77,272 (4) D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction 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 (Month/Day/Year)

7. Title and Amount of Underlying Securities (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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
PAPA GEORGE A 101 INNOVATION DRIVE SAN JOSE, CA 95134			Sr VP, Worldwide Sales	Sr VP, Worldwide Sales

Signatures

George A. Papa		05/02/2008
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The Board of Directors previously approved a grant on April 30, 2007 of RSUs to which vesting as to 100% of such RSUs would be contingent on the Company achieving net income from continuing operations as a percentage of net sales of 18% or greater for fiscal year 2007 (the "Performance Metric"). Upon the achievement of the Performance Metric, 25% of such RSUs shall vest in four equal annual installments beginning April 30, 2008. Effective March 18, 2008, the Board resolved that the Company achieved the Performance Metric for fiscal year 2007. Shares are subject to vesting over a period of time.
(2)	Each restricted stock unit represents a right to receive one share of the Issuer's common stock at no cost.
(3)	Shares withheld to cover taxes on RSU shares released April 30, 2008.
(4)	Includes 854 shares acquired under Altera Corporation 1987 Employee Stock Purchase Plan.

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