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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1. Name and Address of Reporting Person * Tsai Chen Lung   2. Issuer Name and Ticker or Trading Symbol SILICON STORAGE TECHNOLOGY INC [SSTI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Sr. VP, WW Backend Opns. (Last) (First) (Middle) C/O SILICON STORAGE TECHNOLOGY, INC., 1020 KIFER ROAD 3. Date of Earliest Transaction (Month/Day/Year) 04/07/2010 (Street) SUNNYVALE, CA 94086 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 04/08/2010   D   102,705 D (1) 0 D

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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
Option (Right to Buy)	$ 3.25	04/07/2010		D(2)			39,175	(3)	06/01/2018	Common Stock	39,175	$ 0	0	D
Option (Right to Buy)	$ 6.26	04/07/2010		A(2)		39,175		(3)	06/01/2018	Common Stock	39,175	$ 0	39,175	D
Option (Right to Buy)	$ 6.26	04/08/2010		D			39,175	(1)	04/08/2010	Common Stock	39,175	$ 0	0	D
Option (Right to Buy)	$ 3.25	04/07/2010		D(2)			20,825	04/07/2010	06/01/2018	Common Stock	20,825	$ 0	0	D
Option (Right to Buy)	$ 6.26	04/07/2010		A(2)		20,825		04/07/2010	06/01/2018	Common Stock	20,825	$ 0	20,825	D
Option (Right to Buy)	$ 6.26	04/08/2010		D			20,825	(1)	04/08/2010	Common Stock	20,825	$ 0	0	D
Option (Right to Buy)	$ 3.65	04/07/2010		D(2)			10,010	04/07/2010	10/15/2012	Common Stock	10,010	$ 0	0	D
Option (Right to Buy)	$ 6.66	04/07/2010		A(2)		10,010		04/07/2010	10/15/2012	Common Stock	10,010	$ 0	10,010	D
Option (Right to Buy)	$ 6.66	04/08/2010		D			10,010	(1)	04/08/2010	Common Stock	10,010	$ 0	0	D
Option (Right to Buy)	$ 4.46	04/07/2010		D(2)			2,127	04/07/2010	10/01/2011	Common Stock	2,127	$ 0	0	D
Option (Right to Buy)	$ 7.47	04/07/2010		A(2)		2,127		04/07/2010	10/01/2011	Common Stock	2,127	$ 0	2,127	D
Option (Right to Buy)	$ 7.47	04/08/2010		D			2,127	(1)	04/08/2010	Common Stock	2,127	$ 0	0	D
Option (Right to Buy)	$ 4.46	04/07/2010		D(2)			11,794	04/07/2010	10/01/2011	Common Stock	11,794	$ 0	0	D
Option (Right to Buy)	$ 7.47	04/07/2010		A(2)		11,794		04/07/2010	10/01/2011	Common Stock	11,794	$ 0	11,794	D
Option (Right to Buy)	$ 7.47	04/08/2010		D			11,794	(1)	04/08/2010	Common Stock	11,794	$ 0	0	D
Option (Right to Buy)	$ 4.8	04/07/2010		D(2)			7,955	04/07/2010	10/16/2016	Common Stock	7,955	$ 0	0	D
Option (Right to Buy)	$ 7.81	04/07/2010		A(2)		7,955		04/07/2010	10/16/2016	Common Stock	7,955	$ 0	7,955	D
Option (Right to Buy)	$ 7.81	04/08/2010		D			7,955	(1)	04/08/2010	Common Stock	7,955	$ 0	0	D
Option (Right to Buy)	$ 5.02	04/07/2010		D(2)			9,548	04/07/2010	10/11/2015	Common Stock	9,548	$ 0	0	D
Option (Right to Buy)	$ 8.03	04/07/2010		A(2)			9,548	04/07/2010	10/11/2015	Common Stock	9,548	$ 0	9,548	D
Option (Right to Buy)	$ 8.03	04/08/2010		D			9,548	(1)	04/08/2010	Common Stock	9,548	$ 0	0	D
Option (Right to Buy)	$ 5.02	04/07/2010		D(2)			2,952	04/07/2010	10/11/2015	Common Stock	2,952	$ 0	0	D
Option (Right to Buy)	$ 8.03	04/07/2010		A(2)		2,952		04/07/2010	10/11/2015	Common Stock	2,952	$ 0	2,952	D
Option (Right to Buy)	$ 8.03	04/08/2010		D			2,952	(1)	04/08/2010	Common Stock	2,952	$ 0	0	D
Option (Right to Buy)	$ 5.02	04/07/2010		D(2)			6,771	04/07/2010	10/11/2015	Common Stock	6,771	$ 0	0	D
Option (Right to Buy)	$ 8.03	04/07/2010		A(2)		6,711		04/07/2010	10/11/2015	Common Stock	6,711	$ 0	6,711	D
Option (Right to Buy)	$ 8.03	04/08/2010		D			6,711	(1)	04/08/2010	Common Stock	6,711	$ 0	0	D
Option (Right to Buy)	$ 5.02	04/07/2010		D(2)			5,729	04/07/2010	10/11/2015	Common Stock	5,729	$ 0	0	D
Option (Right to Buy)	$ 8.03	04/07/2010		A(2)		5,729		04/07/2010	10/11/2015	Common Stock	5,729	$ 0	5,729	D
Option (Right to Buy)	$ 8.03	04/08/2010		D			5,729	(1)	04/08/2010	Common Stock	5,729	$ 0	0	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Tsai Chen Lung C/O SILICON STORAGE TECHNOLOGY, INC. 1020 KIFER ROAD SUNNYVALE, CA 94086			Sr. VP, WW Backend Opns.

Signatures

Chen Tsai		04/09/2010
**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)	Disposed of pursuant to the that certain Agreement and Plan of Merger dated February 2, 2010, by and among the Issuer, Microchip Technology Incorporated and Sun Acquisition Corporation, as amended.
(2)	The reported transaction involved an amendment of an outstanding option in connection with the settlement of certain shareholder derivative actions, resulting for purposes of Section 16 in the deemed cancellation of a portion of the "old" option and the grant of a replacement option. The amendment is solely for the purpose of increasing the exercise price of the portion of the option deemed to have been cancelled and replaced.
(3)	The shares subject to the option vest as to 25% on June 1, 2009 and 2.083% per month thereafter for three years.

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