SEC FORM 3

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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1. Name and Address of Reporting Person^*

MCGOVERN JOHN W

(Last)

(First)

(Middle)

(Street)

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
06/23/2003

3. Issuer Name and Ticker or Trading Symbol
SILICON LABORATORIES INC [ SLAB ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chief Financial Officer

5. If Amendment, Date of 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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, $0.0001 par value	76,200	D
Common Stock, $0.0001 par value	70,000	I	By JMAP Investments Ltd.⁽¹⁾

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Incentive Stock Option (right to buy)	06/23/1998⁽²⁾	06/23/2008	Common Stock, $0.0001 par value	32,000	0.25	D
Incentive Stock Option (right to buy)	07/20/1999⁽²⁾	07/20/2009	Common Stock, $0.0001 par value	18,000	1.75	D
Incentive Stock Option (right to buy)	01/28/2002⁽³⁾	09/20/2010	Common Stock, $0.0001 par value	6,137	48.88	D
Non-Qualified Stock Option (right to buy)	01/28/2002⁽³⁾	09/20/2010	Common Stock, $0.0001 par value	13,863	48.88	D
Non-Qualified Stock Option (right to buy)	04/16/2001⁽⁴⁾	03/16/2011	Common Stock, $0.0001 par value	20,000	15.44	D
Non-Qualified Stock Option (right to buy)	08/18/2001⁽⁵⁾	07/18/2011	Common Stock, $0.0001 par value	20,000	22.63	D
Non-Qualified Stock Option (right to buy)	01/28/2002⁽³⁾	09/21/2011	Common Stock, $0.0001 par value	20,000	15.1	D

Explanation of Responses:

1. JMAP Investments Ltd. is a limited partnership of which the reporting person and his wife are the sole general partners and of which the reporting person, his wife, and the McGovern Family Trust are the sole limited partners.

2. This option was immediately exercisable and vests in a series of thirty-six (36) equal monthly installments upon the optionee's completion of each additional month of service measured from December 28, 2001.

3. This option becomes exercisable and vests in a series of thirty-six (36) equal monthly installments upon the optionee's completion of each additional month of service measured from December 28, 2001.

4. This option becomes exercisable and vests in a series of sixty (60) equal monthly installments upon the optionee's completion of each additional month of service measured from March 16, 2001.

5. This option becomes exercisable and vests in a series of sixty (60) equal monthly installments upon the optionee's completion of each additional month of service measured from July 18, 2001.

	John W. McGovern	06/26/2003
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (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).
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