UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

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Rule 13d-1(b)

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Rule 13d-1(c)

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Rule 13d-1(d)

CUSIP No.  826919 10 2

1.

Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only)
Jeffrey W. Scott

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

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(b)

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3.

SEC Use Only

4.

Citizenship or Place of Organization
United States of America

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
2,207,284

6.

Shared Voting Power 
0

7.

Sole Dispositive Power 
2,207,284

8.

Shared Dispositive Power
0

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
2,207,284

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

11.

Percent of Class Represented by Amount in Row (9)
4.2%(1)

12.

Type of Reporting Person (See Instructions)
IN

Item 1.

(a)

Name of Issuer
Silicon Laboratories Inc.

(b)

Address of Issuer’s Principal Executive Offices
4635 Boston Lane
Austin, TX 78735

Item 2.

(a)

Name of Person Filing
Jeffrey W. Scott

(b)

Address of Principal Business Office or, if none, Residence
4635  Boston Lane
Austin, TX 78735

(c)

Citizenship
United States of America

(d)

Title of Class of Securities
Common Stock, par value $0.0001 per share

(e)

CUSIP Number
826919 10 2

Item 3.

If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

(a)

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Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b)

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Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c)

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Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d)

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Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C 80a-8).

(e)

o

An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

(f)

o

An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

(g)

o

A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h)

o

A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i)

o

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j)

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Group, in accordance with §240.13d-1(b)(1)(ii)(J).

Item 4.

Ownership

The following information with respect to the ownership of the Common Stock of the issuer by the persons filing this Statement is provided as of December 31, 2004:

(a)

Amount beneficially owned:   

As of December 31, 2004, Jeffrey W. Scott is the record owner of 2,119,331 shares of Common Stock and is deemed to beneficially own an additional 87,953 shares of Common Stock which he may acquire within 60 days of December 31, 2004 through the exercise of stock options.  Therefore, Mr. Scott may be deemed to beneficially own an aggregate of 2,207,284 shares of Common Stock as of December 31, 2004.

(b)

Percent of class:   

4.2%

(c)

Number of shares as to which the person has:

(i)

Sole power to vote or to direct the vote   

2,207,284

(ii)

Shared power to vote or to direct the vote    

0

(iii)

Sole power to dispose or to direct the disposition of   

2,207,284

(iv)

Shared power to dispose or to direct the disposition of   

0

Item 5.

Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following   ý.

Item 6.

Ownership of More than Five Percent on Behalf of Another Person

Not Applicable.

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person

Not Applicable.

Item 8.

Identification and Classification of Members of the Group

Not Applicable.

Item 9.

Notice of Dissolution of Group

Not Applicable.

Item 10.

Certification

Not Applicable.

February 11, 2005

Date

/s/ Jeffrey W. Scott

Signature

Jeffrey W. Scott

Name/Title