UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 10) CIRRUS LOGIC, INC. (Name of Issuer) COMMON STOCK (Title of Class of Securities) 172755100 (CUSIP Number) Alfred Teo Alpha Industries, Inc. Page & Schuyler Avenues P. O. Box 808 Lyndhurst, NJ 07071 (201) 933-6000 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) January 31, 2004 (Date of Event which Requires Filing of this Statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of 240.13d- 1(e), 240.13D-1(f) or 240.;13d-1(g), check the following box. [] CUSIP No. 172755100 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only): Alfred Teo; SSN: 052-46-2167 2. Check the Appropriate Box if a Member of a Group (see Instructions) (a)__________________________________________________ (b)XX________________________________________________ 3. SEC Use Only__________________________________________ 4. Source of Funds (See Instructions)____(PF) 5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)__________________________________________ 6. Citizenship or Place of Organization USA _________________________________________________ Number of 7. Sole Voting Power 277,800____________________________ Shares Beneficially 8. Shared Voting Power 5,266,093_____________________________ Owned by 9. Sole Dispositive Power 277,800_____________________________ Each Reporting 10. Shared Dispositive Power _5,266,093 Person With 11. Aggregate Amount Beneficially Owned by Each Reporting Person 5,543,893 12. Check of the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) 13. Percent of Class Represented by Amount in Row (11) 6.57% 14. Type of Reporting Person (See Instructions) ___IN CUSIP No. 172755100 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only): Alfred Teo and Annie Teo Joint Tenants with Right of Survivorship; Alfred Teo SSN: 062-46-2758; Annie Teo SSN: 062-46-2758 2. Check the Appropriate Box if a Member of a Group (see Instructions) (a)_____________________________________________ (b)XX___________________________________________ 3. SEC Use Only___________________________________ 4. Source of Funds (See Instructions) (PF)_________ 5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)____________________________________ 6. Citizenship or Place of Organization USA_______ Number of 7. Sole Voting Power 0__________ Shares Beneficially 8. Shared Voting Power 4,723,293__________ Owned by 9. Sole Dispositive Power 0_____________________ Each Reporting 10. Shared Dispositive Power 4,723,293 Person With 11. Aggregate Amount Beneficially Owned by Each Reporting Person 4,723,293 12. Check of the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) 13. Percent of Class Represented by Amount in Row (11) 5.60% 14. Type of Reporting Person (See Instructions) ___IN CUSIP No. 172755100 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only): Alpha Industries, Inc. Retirement Plan dated January 1, 1984, Alfred S. Teo, Trustee, Tax I.D. #22-2408251 2. Check the Appropriate Box if a Member of a Group (see Instructions) (a)____________________________________________ (b)XX__________________________________________ 3. SEC Use Only___________________________________ 4. Source of Funds (See Instructions)(OO)_________ 5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)____________________________________ 6. Citizenship or Place of Organization New Jersey, USA Number of 7. Sole Voting Power 134,700_______________________ Shares Beneficially 8. Shared Voting Power 0 Owned by 9. Sole Dispositive Power 134,700___ Each Reporting 10. Shared Dispositive Power 0 Person With 11. Aggregate Amount Beneficially Owned by Each Reporting Person 134,700 12. Check of the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) 13. Percent of Class Represented by Amount in Row (11) 0.16% 14. Type of Reporting Person (See Instructions) ___OO CUSIP No. 172755100 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only): Alfred S. Teo IRA Rollover Tax ID # 052-46-2167 2. Check the Appropriate Box if a Member of a Group see Instructions) (a)___________________________________________ (b)XX_________________________________________ 3. SEC Use Only__________________________________ 4. Source of Funds (See Instructions) (PF)_______ 5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)__________________________________ 6. Citizenship or Place of Organization New Jersey, USA____________ Number of 7. Sole Voting Power 143,100 Shares Beneficially 8. Shared Voting Power 0 Owned by 9. Sole Dispositive Power 143,100___________ Each Reporting 10. Shared Dispositive Power 0 Person With 11. Aggregate Amount Beneficially Owned by Each Reporting Person 143,100 12. Check of the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) 13. Percent of Class Represented by Amount in Row (11) 0.17% 14. Type of Reporting Person (See Instructions) ___OO CUSIP No. 172755100 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only): Lambda Financial Service Corp. IRS I.D. #22-2899749 2. Check the Appropriate Box if a Member of a Group (see Instructions) (a)__________________________________________ (b)XX________________________________________ 3. SEC Use Only_________________________________ 4. Source of Funds (See Instructions) _(WC)_____ 5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)________________________________ 6. Citizenship or Place of Organization New Jersey, USA____ Number of 7. Sole Voting Power 265,000 Shares Beneficially 8. Shared Voting Power 0____________ Owned by 9. Sole Dispositive Power 265,000______________ Each Reporting 10. Shared Dispositive Power 0 Person With 11. Aggregate Amount Beneficially Owned by Each Reporting Person 265,000 12. Check of the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) 13. Percent of Class Represented by Amount in Row (11) 0.31% 14. Type of Reporting Person (See Instructions) ___CO CUSIP No. 172755100 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only): Great Eastern Acquisition Corp. IRS I.D. #22-3452976 2. Check the Appropriate Box if a Member of a Group (see Instructions) (a)__________________________________________ (b)XX________________________________________ 3. SEC Use Only_________________________________ 4. Source of Funds (See Instructions) _(WC)_____ 5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)________________________________ 6. Citizenship or Place of Organization New Jersey, USA____ Number of 7. Sole Voting Power 373,000 Shares Beneficially 8. Shared Voting Power 0____________ Owned by 9. Sole Dispositive Power 373,000______________ Each Reporting 10. Shared Dispositive Power 0 Person With 11. Aggregate Amount Beneficially Owned by Each Reporting Person 373,000 12. Check of the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) 13. Percent of Class Represented by Amount in Row (11) 0.44% 14. Type of Reporting Person (See Instructions) ___CO CUSIP No. 172755100 Item 1. Security and Issuer No Par Value Common Stock Cirrus Logic, Inc. Scott Thomas General Counsel Cirrus Logic, Inc. 2901 Via Fortuna Austin, TX 78746 This Amendment No. 10 amends and supplements the Schedule 13D filed on April 11, 2001, as amended, related to the shares of Common Stock, par value $001 of Cirrus Logic, Inc., a Delaware corporation ("Issuer"). The address of the principal executive office of the Issuer is 4210 S. Industrial Drive, Austin, TX 78744. Pursuant to Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended (the "Act"), the undersigned hereby jointly file this amended statement on Schedule 13D ("Statement") on behalf of Alfred S. Teo, Alfred Teo and Annie Teo Joint Tenants with Right of Survivorship, Alpha Industries, Inc. Retirement Plan, Alfred S. Teo IRA Rollover, Lambda Financial Service Corp, and Great Eastern Acquisition Corp. The foregoing persons may be hereinafter referred to collectively as the "Reporting Persons. The Reporting Persons are making this single, joint filing to comply with the reporting requirements with respect to Common Stock of the Issuer that each beneficially owns. Item 2. Identity and Background I. ALFRED TEO INDIVIDUALLY AND ALFRED TEO AND ANNIE TEO, JOINT TENANTS WITH RIGHTS OF SURVIVORSHIP (a) Alfred Teo and Annie Teo, husband and wife (b) Residence: 783 West Shore Drive, Kinnelon, NJ 07405 (c) Annie Teo is a homemaker and interior decorator, being the Director, President and Treasurer of TUK Associates, Inc. of Kinnelon, New Jersey. Annie Teo is also a Building Manager, Annie Teo is the sole shareholder of Great Eastern Acquisition Corp. Alfred Teo is engaged in the manufacture and distribution of plastics and plastic products. Both Annie Teo and Alfred Teo have interests in various partnerships and other entities holding title to real property. Alfred Teo holds the below described offices in the following corporations, all of which are manufacturers and distributors of plastics and plastic products: CUSIP No. 172755100 Chairman, President and Director : Sigma Extruding Corp. Page & Schuyler Avenues, Lyndhurst, New Jersey 07071 Chairman and Director: Omega Extruding Corp. of California 9614 Lucas Ranch Road, Rancho Cucamonga, California 91730 Chairman and Director: Omega Plastic Corp. Page & Schuyler Avenues, Lyndhurst, New Jersey 07071 Chairman, President and Director: Beta Plastics Corp. 120 Amor Avenue, Carlstadt, New Jersey 07072 Chairman, Chief Executive Officer and Director: Alpha Industries, Inc. Page & Schuyler Avenues, Lyndhurst, New Jersey 07071 Alfred Teo also holds the offices of President and Director of Red Line Express Corp., Page & Schuyler Avenues, Lyndhurst, New Jersey. This corporation is in the business of intra-state and inter-state trucking. Alfred Teo also holds the offices of Secretary and Chairman of the Board of Directors of Discount Packaging Corp., 50 Grafton Avenue, Newark, New Jersey 07104. This corporation is in the packaging business. (d) During the last five (5) years, neither Alfred Teo nor Annie Teo have been convicted in a criminal proceeding. (e) During the last five (5) years, neither Alfred Teo nor Annie Teo have been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction as a result of which they were subject to a judgment, decree or final order enjoining future violations or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. (f) Alfred Teo and Annie Teo are United States citizens. CUSIP No. 172755100 II. ALPHA INDUSTRIES, INC. RETIREMENT PLAN (a) Alpha Industries, Inc. Retirement Plan dated January 1, 1984, Alfred Teo, Trustee (b) Place of Organization: Page & Schuyler Avenues, Lyndhurst, New Jersey 07071 (c) Principal business: Trust (d) During the last five (5) years, Alfred Teo has not been convicted in a criminal proceeding. (e) During the last five (5) years, Alfred Teo has not been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction as a result of which he was subject to a judgment, decree or final order enjoining future violations or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. (f) Alfred Teo is a U.S. citizen. III. ALFRED S. TEO IRA ROLLOVER (a) Alfred S. Teo IRA Rollover (b) Place of Organization: 783 W. Shore Dr. Kinnelon, New Jersey 074055 (c) Principal business: IRA (d) During the last five (5) years, Alfred Teo has not been convicted in a criminal proceeding. (e) During the last five (5) years, Alfred Teo has not been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction as a result of which he was subject to a judgment, decree or final order enjoining future violations or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. (f) Alfred Teo is a U.S. citizen. CUSIP No. 172755100 IV. LAMBDA FINANCIAL SERVICE CORP. (a) Lambda Financial Service Corp., Corporation of the State of New Jersey (b) Business Address: Page & Schuyler Avenues, Lyndhurst, New Jersey 07071 (c) Principal business: financial services (d) During the last five (5) years, the Corporation has not been convicted in a criminal proceeding. (e) During the last five (5) years, the Corporation has not been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction as a result of which it was subject to a judgment, decree or final order enjoining future violations or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. (f) Not applicable V. GREAT EASTERN ACQUISITION CORP. (a) Great Eastern Acquisition Corp., a corporation of the State of New Jersey. (b) Business Address: Page & Schuyler Avenues, Lyndhurst, New Jersey 07071 (c) Principal business: Acquisition of real estate and manufacturing entities. (d) During the last five (5) years, the Corporation has not been convicted in a criminal proceeding. (e) During the last five (5) years, the Corporation has not been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction as a result of which it was subject to a judgment, decree or final order enjoining future violations or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. (f) Not applicable. CUSIP No. 172755100 Item 3. Source and Amount of Funds or Other Consideration The source of funds used by Alfred Teo and Annie Teo in making all purchases of Common Stock was personal funds. The source of the funds for the Alfred S. Teo IRA Rollover was personal funds. The source of funds used by Alpha Industries, Inc. Retirement Plan was trust funds. The source of funds used by Lambda Financial Service Corp. and Great Eastern Acquisition Corp. was corporate funds. The aggregate amount of funds used in making purchases, excluding brokerage commissions and other costs of execution was as set forth in the following table: Alfred Teo, Individually $ 1,595,625 Alfred Teo and Annie Teo, Joint Tenants with Rights of Survivorship $27,158,935 Alpha Industries Retirement Plan $ 774,525 Alfred S. Teo IRA Rollover $ 822,825 Lambda Financial Service Corp. $ 1,523,750 Great Eastern Acquisition Corp. $ 1,305,500 _____________ Total $33,181,160 Item 4. Purpose of Transaction The acquisition of the securities of the issuer was made for the purpose of investment. (a) The reporting persons may acquire additional securities of the issuer or dispose of securities of the issuer from time to time; (b) The reporting persons have no plans or proposals which relate to or would result in an extraordinary corporate transaction, such as a merger, reorganization or liquidation, involving the issuer or any of its subsidiaries; (c) The reporting persons have no plans or proposals which relate to or would result in a sale or transfer of a material amount of assets of the issuer or any of its subsidiaries; (d) The reporting persons have no plans or proposals which relate to or would result in any change in the present board of directors or management of the issuer, including any plans or proposals to change the number or term of directors or to fill any existing vacancies on the board; CUSIP No. 172755100 (e) The reporting persons have no plans or proposals which relate to or would result in any material change in the present capitalization or dividend policy of the issuer; (f) The reporting persons have no plans or proposals which relate to or would result in any other material change in the issuer's business or corporate structure including but not limited to, if the issuer is a registered closed-end investment company, any plans or proposals to make any changes in its investment policy for which a vote is required by section 13 of the Investment Company Act of 1940; (g) The reporting persons have no plans or proposals which relate to or would result in any changes in the issuer's charter, bylaws or instruments corresponding thereto or other actions which may impede the acquisition of control of the issuer by any person; (h) The reporting persons have no plans or proposals which relate to or would result in causing a class of securities of the issuer to be delisted from a national securities exchange or to cease to be authorized to be quoted in any inter-dealer quotation system of a registered national securities association; (i) The reporting persons have no plans or proposals which relate to or would result in a class of equity securities of the issuer becoming eligible for termination of registration pursuant to Section 12(g)(4) of the Act; or (j) The reporting persons have no plans or proposals which relate to or would result in any action similar to any of those enumerated above. Item 5. Interest in Securities of the Issuer (a) As of the close of business on January 31, 2004, the aggregate number and percentage of the class of securities identified pursuant to Item 1 beneficially owned by each person named in Item 2 is as follows: Number Percentage Name of Shares of Class Alfred Teo, Individually 277,800 0.33 Alfred Teo and Annie Teo, Joint Tenants with Rights of Survivorship 4,723,293 5.60 Alpha Industries, Inc. Retirement Plan 134,700 0.16 CUSIP No. 172755100 Alfred S. Teo IRA Rollover 143,100 0.17 Lambda Financial Service Corp. 265,000 0.31 Great Eastern Acquisition Corp. 373,000 0.44 Total 5,916,893 7.01 Note: Percentage of Class is based on 84,358,979 shares believed to be outstanding as of January 23, 2004 as stated on the Issuer's 10 Q filed February 4, 2004. (b) 1. Alfred Teo has sole power to vote or direct the vote, dispose of or direct the disposition of the shares of the issuer held in his name. 2. Alfred Teo and Annie Teo hold the shares listed next to their names in paragraph (a) above as "joint tenants with rights of survivorship" and, as such, jointly share the power to vote or direct the vote, dispose of or direct the disposition of their shares. 3. Alfred Teo is the Trustee of the Alpha Industries, Inc. Retirement Plan dated January 1, 1984, and therefore has sole power to vote or direct the vote, dispose of or direct the disposition of the shares of the issuer held by this Retirement Plan. 4. Alfred Teo is the Alfred Teo of the Alfred Teo IRA. 5. Alfred Teo holds the controlling interest in Lambda Financial Service Corp. and therefore has sole power to vote or direct the vote, dispose of or direct the disposition of the shares of the issuer held by this Corporation. (c) Transactions in the class of securities reported that were effected in the last sixty (60) days are shown on Exhibit A attached hereto. All such transactions were effected by a broker- dealer which is a member of the New York stock exchange at the office of the broker-dealer. (d) Where an interest relates to more than five (5%) percent of the class, persons having the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of such securities are the same persons identified in paragraph (b) above. (e) Not applicable CUSIP No. 172755100 Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer Except as provided herein, there are no contracts arrangements, understandings or relationships (legal or otherwise) among the persons named in Item 2 and between such persons and any person with respect to any securities of the issuer, including but not limited to transfer or voting of any of the securities, finder's fees, joint ventures, loan or option arrangements, puts or calls, guarantees or profits, division of profits or loss, or the giving or withholding of proxies. 1,033,900 shares of the issuer are held by M.A.A.A. Trust FBO Mark, Andrew, Alan, and Alfred Teo, Jr., Teren Seto Handelman, Trustee. Alfred Teo acts as an investment advisor to the Trustee. This Trust is not a part of the group consisting of the reporting persons. Accordingly, the reporting persons disclaim beneficial ownership of the shares of the Issuer held by this Trust. Item 7. Material to be Filed as Exhibits. There are no written agreements relating to the filing of joint acquisition statements as required by Rule 13d-1(f) (Section 240.13d-1(f)) and no written agreements, contracts, arrangements, understandings, plans or proposals relating to (1) the borrowing of funds to finance the acquisition as disclosed in Item 3; (2) the acquisition of issuer control, liquidation, sale of assets, merger, or change in business or corporate structure or any other mater as disclosed in Item 4; and (3) the transfer or voting of the securities, finder's fees, joint ventures, options, puts, calls, guarantees of loans, guarantees against loss or of profit, or the giving or withholding of any proxy as disclosed in Item 6. CUSIP No. 172755100 Signature After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Dated as of , 2004 _______________________________ Alfred Teo, Individually ________________________________ Annie Teo, Individually ALPHA INDUSTRIES, INC. RETIREMENT PLAN By____________________________ Alfred Teo, Trustee ALFRED S. TEO IRA ROLLOVER By:______________________________ Alfred Teo, Individually LAMBDA FINANCIAL SERVICE CORP. By:______________________________ Alfred Teo, Chairman of the Board of Directors President of Lambda Financial Service Corp. GREAT EASTERN ACQUISITION CORP. By:_______________________________ Mark Teo, President EXHIBIT A CUSIP No. 172755100 A/C: LAMBDA FINANCIAL SERVICES CORP. DATE TRANS QUANTITY TRD PRC AMT/PRIN 12/05/03 BUY 50000 7.364 368200.00 12/05/03 BUY 50000 7.568 378400.00 1/29/04 BUY 10000 7.47995 74799.50 01/30/04 BUY 5000 7.5799 37899.50 CUSIP No. 172755100 A/C: ALFRED S. TEO & ANNIE TEO JT. TEN DATE TRANS QUANTITY TRD PRC AMT/PRIN 12/03/03 BUY 30000 8.5526 256578.00 12/04/03 BUY 20000 8.12 162400.00 12/04/03 BUY 9140 8.25 75405.00 12/09/03 BUY 50000 7.0828 354140.00 12/10/03 BUY 30000 6.75 202500.00 12/11/03 SOLD 30000 7.25 217500.00 12/18/03 BUY 250 7.18 1795.00 12/22/03 BUY 20000 7.4225 148450.00 12/31/03 BUY 20000 7.775 155500.00 01/13/04 BUY 27500 8.1807 224969.25 01/13/04 BUY 10000 8.185 81850.00 01/14/04 BUY 35000 8.142 284970.00 01/14/04 BUY 10000 8.145 81450.00 01/15/04 BUY 20000 8.125 162500.00 01/15/04 BUY 13000 8.0962 105250.60 01/22/04 BUY 38829 8.0089 310977.58 01/23/04 BUY 50000 7.6311 381555.00 01/23/04 BUY 8500 7.60 64600.00 01/23/04 BUY 50000 7.6162 380810.00 01/28/04 BUY 10000 7.51087 75108.79 01/29/04 BUY 10000 7.4797 74797.00 01/30/04 BUY 5000 7.5795 37897.50 CUSIP No. 172755100 A/C: ALPHA INDUSTRIES, INC. RETIREMENT PLAN NO TRADES IN THE LAST 60 DAYS CUSIP No. 172755100 A/C: ALFRED S. TEO IRA ROLLOVER NO TRADES IN THE LAST 60 DAYS CUSIP NO. 172755100 A/C: GREAT EASTERN ACQUISITION CORP. NO TRADES IN THE LAST 60 DAYS.