CIRRUS LOGIC INC
SC 13D/A, 2001-01-10
SEMICONDUCTORS & RELATED DEVICES
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C.  20549

                                  SCHEDULE 13D


                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                                (AMENDMENT NO. 7)



                                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, N.J.  07071
                                 (201) 933-6000
--------------------------------------------------------------------------------
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)



                                December 4, 2000
--------------------------------------------------------------------------------
             (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  Sec.Sec.240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check
the  following  box.  [  ]


<PAGE>

CUSIP  No.  172755100
            ---------

--------------------------------------------------------------------------------
   1.   Names of  Reporting  Person I.R.S.  Identification Nos. of above persons
        (entities only).   Alfred Teo; SSN: ###-##-####
                         -------------------------------------------------------
--------------------------------------------------------------------------------
   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      111,000
Shares                                      ------------------------------------
Beneficially     ---------------------------------------------------------------
Owned            8.     Shared Voting Power       6,562,100
By                                          ------------------------------------
Each             ---------------------------------------------------------------
Reporting        9.     Sole Dispositive Power      111,000
Person                                         ---------------------------------
With             ---------------------------------------------------------------
                 10.    Shared Dispositive Power     6,562,100
                                                 -------------------------------
--------------------------------------------------------------------------------
   11.  Aggregate Amount Owned by Each Reporting Person    6,673,100
                                                        ------------------------
--------------------------------------------------------------------------------
   12.  Check  if  the  Aggregate  Amount  in  Row (11) Excludes  Certain Shares
        (See Instructions)
                           ---------------------
--------------------------------------------------------------------------------
   13.  Percent  of  Class  Represented  by  Amount in Row (11)   8.4% (1)
                                                                ------------
--------------------------------------------------------------------------------
   14.  Type  of  Reporting  Person  (See Instructions)    IN
--------------------------------------------------------------------------------


---------------------
(1)  Based on 79,022,442 shares outstanding as of December 30, 2000 according to
     the Issuer's  Transfer  Agent.


                                      -2-
<PAGE>
CUSIP  No.  172755100
            ---------

--------------------------------------------------------------------------------
   1.   Names of  Reporting  Person I.R.S.  Identification Nos. of above persons
        (entities only).   Annie Teo; SSN: ###-##-####
                         -------------------------------------------------------
--------------------------------------------------------------------------------
   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     ---------------------------------------------------------------
Owned            8.     Shared Voting Power       6,562,100
By                                          ------------------------------------
Each             ---------------------------------------------------------------
Reporting        9.     Sole Dispositive Power      0
Person                                         ---------------------------------
With             ---------------------------------------------------------------
                 10.    Shared Dispositive Power     6,562,100
                                                 -------------------------------
--------------------------------------------------------------------------------
   11.  Aggregate Amount Owned by Each Reporting Person
        6,673,100 (2)
        -------------
--------------------------------------------------------------------------------
   12.  Check  if  the  Aggregate  Amount  in  Row (11) Excludes  Certain Shares
        (See Instructions)
                           -----------------------------------------------------
--------------------------------------------------------------------------------
   13.  Percent  of  Class  Represented  by  Amount in Row (11)   8.4% (3)
                                                                ------------
--------------------------------------------------------------------------------
   14.  Type  of  Reporting  Person  (See Instructions)    IN
--------------------------------------------------------------------------------


---------------------
(2)  This  includes  111,000  shares of Common Stock of the Issuer held by Alpha
     Industries,  Inc.  Retirement  Plan Trust of which Alfred S. Teo is trustee
     and 21,283 shares of Common Stock of  the  Issuer issuable upon exercise of
     the options  to  purchase  Common  Stock that he holds that are exercisable
     within 60 days  of  the date hereof.  Because Mr. Teo is the spouse of Mrs.
     Teo, such  shares  may  be  deemed  to  be  beneficially owned by Mrs. Teo.
     Nevertheless, Mrs. Teo disclaims  beneficial  ownership  of  such  shares.


                                      -3-
<PAGE>



---------------------
(... continued)

(3)  Based on 79,022,442 shares outstanding as of December 30, 2000 according to
     the Issuer's  Transfer  Agent.


                                      -4-
<PAGE>
CUSIP  No.  172755100
            ---------

--------------------------------------------------------------------------------
   1.   Names of  Reporting  Person 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        111,000
Shares                                      ------------------------------------
Beneficially     ---------------------------------------------------------------
Owned            8.     Shared Voting Power        0
By                                          ------------------------------------
Each             ---------------------------------------------------------------
Reporting        9.     Sole Dispositive Power     111,000
Person                                         ---------------------------------
With             ---------------------------------------------------------------
                 10.    Shared Dispositive Power   0
                                                 -------------------------------
--------------------------------------------------------------------------------
   11.  Aggregate Amount Owned by Each Reporting Person    111,000
                                                        ------------------------
--------------------------------------------------------------------------------
   12.  Check  if  the  Aggregate  Amount  in  Row (11) Excludes  Certain Shares
        (See Instructions)
                           -----------------------------------------------------
--------------------------------------------------------------------------------
   13.  Percent  of  Class  Represented  by  Amount in Row (11)   0% (4)
                                                                ------------
--------------------------------------------------------------------------------
   14.  Type  of  Reporting  Person  (See Instructions)    OO
--------------------------------------------------------------------------------


---------------------
(4)  Based on 79,022,442 shares outstanding as of December 30, 2000 according to
     the Issuer's  Transfer  Agent.


                                      -5-
<PAGE>
CUSIP  No.  172755100
            ---------

--------------------------------------------------------------------------------
   1.   Names of  Reporting  Person I.R.S.  Identification Nos. of above persons
        (entities only).   Alpha Technologies, Inc.
                         -------------------------------------------------------
                           Tax I.D. #22-301576
        ------------------------------------------------------------------------
--------------------------------------------------------------------------------
   2.   Check the Appropriate Box if a Member of a Group (See Instructions)
        (a)
           ---------------------------------------------------------------------
        (b)
           ---------------------------------------------------------------------
--------------------------------------------------------------------------------
   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        0
Shares                                      ------------------------------------
Beneficially     ---------------------------------------------------------------
Owned            8.     Shared Voting Power        0
By                                          ------------------------------------
Each             ---------------------------------------------------------------
Reporting        9.     Sole Dispositive Power     0
Person                                         ---------------------------------
With             ---------------------------------------------------------------
                 10.    Shared Dispositive Power   0
                                                 -------------------------------
--------------------------------------------------------------------------------
   11.  Aggregate Amount Owned by Each Reporting Person    0
                                                        ------------------------
--------------------------------------------------------------------------------
   12.  Check  if  the  Aggregate  Amount  in  Row (11) Excludes  Certain Shares
        (See Instructions)
                           -----------------------------------------------------
--------------------------------------------------------------------------------
   13.  Percent  of  Class  Represented  by  Amount in Row (11)   0%
                                                                ------------
--------------------------------------------------------------------------------
   14.  Type  of  Reporting  Person  (See Instructions)    CO
--------------------------------------------------------------------------------


                                      -6-
<PAGE>
CUSIP  No.  172755100
            ---------

--------------------------------------------------------------------------------
   1.   Names of  Reporting  Person I.R.S.  Identification Nos. of above persons
        (entities only).   Lambda Financial Service Corp.
                         -------------------------------------------------------
                           Tax I.D. #22-2899749
        ------------------------------------------------------------------------
--------------------------------------------------------------------------------
   2.   Check the Appropriate Box if a Member of a Group (See Instructions)
        (a)
           ---------------------------------------------------------------------
        (b)
           ---------------------------------------------------------------------
--------------------------------------------------------------------------------
   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        0
Shares                                      ------------------------------------
Beneficially     ---------------------------------------------------------------
Owned            8.     Shared Voting Power        0
By                                          ------------------------------------
Each             ---------------------------------------------------------------
Reporting        9.     Sole Dispositive Power     0
Person                                         ---------------------------------
With             ---------------------------------------------------------------
                 10.    Shared Dispositive Power   0
                                                 -------------------------------
--------------------------------------------------------------------------------
   11.  Aggregate Amount Owned by Each Reporting Person    0
                                                        ------------------------
--------------------------------------------------------------------------------
   12.  Check  if  the  Aggregate  Amount  in  Row (11) Excludes  Certain Shares
        (See Instructions)
                           -----------------------------------------------------
--------------------------------------------------------------------------------
   13.  Percent  of  Class  Represented  by  Amount in Row (11)   0%
                                                                ------------
--------------------------------------------------------------------------------
   14.  Type  of  Reporting  Person  (See Instructions)    CO
--------------------------------------------------------------------------------



                                      -7-
<PAGE>
          This Amendment No.  7 amends and supplements the Schedule 13D filed on
August  27,  1997, as amended, relating 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,
Annie  Teo and Alpha Industries, Inc.  Retirement Plan, Alpha Technologies, Inc.
and  Lambda  Financial  Service  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  3.  SOURCE  AND  AMOUNT  OF  FUNDS  OR  OTHER  CONSIDERATION

          Item  3  is  hereby  amended  so  as  to  add  at  the end thereof the
following:

          The  source  of  funds  used by Alfred Teo and Annie Teo in making all
purchases  of Common Stock since October 9, 1998 was personal funds.  The source
of funds used by Alpha Industries, Inc.  Retirement Plan for purchases of Common
Stock since October 9, 1998 was trust funds.  The aggregate amount of funds used
in  making  purchases,  including  brokerage  commissions  and  other  costs  of
execution, from October 9, 1998 through on December 15, 2000 was as set forth in
the  following  table:


          Alfred Teo and Annie Teo,
          Joint Tenants with Rights of Survivorship        $10,774,019.50
                                                            -------------
          Alpha Industries, Inc. Retirement Plan              $713,767.30
                                                               ----------
          Total                                            $11,487,786.80
                                                            -------------


ITEM  4.  PURPOSE  OF  TRANSACTION

          Item  4(a) is hereby amended so as to read in its entirety as follows:

          (a)     The Reporting Persons may acquire additional securities of the
Issuer  or  dispose  of  securities  of  the  Issuer  from  time  to  time.

ITEM  5.  INTEREST  IN  SECURITIES  OF  THE  ISSUER

          Item  5  is  hereby  amended so as to read in its entirety as follows:


          (a)     Alfred  S.  Teo  beneficially  owns 6,673,100 shares of Common
Stock  of the Issuer, including (i) 111,000 shares of Common Stock of the Issuer
held by Alpha Industries, Inc.  Retirement Plan of which Mr.  Teo is trustee and
(ii)  21,283  shares of Common Stock of the Issuer issuable upon exercise of the
options  to  purchase  Common Stock that he holds that are exercisable within 60
days  of  the  date  hereof.  Together,  these  shares  represent  8.4%  of  the
outstanding  Common  Stock of the Issuer (based on 79,022,442 shares outstanding
as  of  December  30,  2000,  according  to  the  Issuer's  Transfer  Agent).


                                      -8-
<PAGE>
          Annie  Teo  beneficially  owns 6,673,100 shares of Common Stock of the
Issuer  or  8.4%  of  the  outstanding  Common  Stock  of  the  Issuer (based on
79,022,442 shares outstanding as of December 30, 2000, according to the Issuer's
Transfer  Agent).  Such shares include (i) 111,000 shares of Common Stock of the
Issuer  held by Alpha Industries, Inc.  Retirement Plan of which her spouse, Mr.
Teo,  is  trustee  and (ii) 21,283 shares of Common Stock of the Issuer that Mr.
Teo  holds  issuable  upon exercise of the options to purchase Common Stock that
are  exercisable  within  60  days  of the date hereof.  Because Mr.  Teo is the
spouse  of Mrs.  Teo, such shares may be deemed to be beneficially owned by Mrs.
Teo.  Nevertheless,  Mrs.  Teo  disclaims  beneficial  ownership of such shares.

          Alpha  Industries,  Inc.  Retirement  Plan  Trust  beneficially  owns
111,000  shares  of  Common  Stock of the Issuer or less than one percent of the
outstanding  Common  Stock of the Issuer (based on 79,022,442 shares outstanding
as  of  December  30,  2000,  according  to  the  Issuer's  Transfer  Agent).

          (b)     Alfred  S.  Teo  and  his  spouse,  Annie  Teo, hold 6,562,100
shares  of  Common  Stock  of  the  Issuer  as  "joint  tenants  with  rights of
survivorship" and, as such, jointly share the power to vote, or direct the vote,
and  to  dispose of, or direct the disposition of, such shares.  Mr.  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, and to dispose of,
or  direct  the disposition of, the 111,000 shares of Common Stock of the Issuer
held  by  this  Retirement  Plan.

          (c)     The  following  Reporting  Persons  effected  the  following
transactions  in  the  class  of  securities  reported  since October 9, 1998 to
December  15,  2000:


                                      -9-
<PAGE>
(1)  Alfred  Teo  and  Annie  Teo, as joint  tenants with rights of survivorship
     effected  the  following  market  purchases:


  Date         Quantity        Price       Total Cost

12/23/98         5,000       $ 10.31     $   51,565.00
12/23/98         5,000       $ 10.25     $   51,250.00
12/24/98        10,000       $ 10.25     $  102,500.00
12/24/98         5,000       $ 10.50     $   52,500.00
12/24/98         5,000       $ 10.25     $   51,250.00
12/28/98        70,000       $ 10.38     $  726,250.00
12/29/98        50,000       $ 10.13     $  506,250.00
12/30/98        10,000       $  9.84     $   98,440.00
12/30/98        10,000       $  9.81     $   98,130.00
12/31/98         5,000       $  9.88     $   49,375.00
12/31/98         2,500       $  9.75     $   24,375.00
12/31/98         2,500       $  9.69     $   24,220.00
12/31/98        10,000       $  9.50     $   95,000.00
01/15/99        20,000       $ 12.65     $  253,060.00
01/15/99        30,000       $ 12.63     $  378,750.00
01/15/99        10,000       $ 12.50     $  125,000.00
01/21/99        55,000       $ 11.75     $  646,250.00
01/21/99        10,000       $ 11.69     $  116,880.00
01/21/99         7,500       $ 11.88     $   89,062.50
01/21/99        22,500       $ 11.81     $  265,792.50
01/21/99         5,000       $ 11.63     $   58,125.00
01/27/99        50,000       $ 10.13     $  506,250.00
02/02/99       160,000       $  9.46     $1,513,120.00
11/02/2000     125,000       $39.125     $4,890,625.00


(2)  Alpha  Industries,  Inc.  Retirement  Plan  effected  the following  market
     purchases:


  Date         Quantity        Price       Total Cost

3/5/98           1,500        $10.38       $ 15,562.50
3/5/98           3,000        $10.50       $ 31,500.00
3/5/98          20,000        $10.44       $208,760.00
7/22/98         13,000        $ 9.69       $125,944.00
9/4/98           7,500        $ 6.78       $ 50,850.00
9/4/98           5,500        $ 6.69       $ 36,784.00
9/25/98         10,000        $ 6.19       $ 61,880.00
9/25/98          2,900        $ 6.13       $ 17,762.50
10/13/98           100        $ 6.44       $    643.80
10/13/98        15,000        $ 6.44       $ 96,580.50
3/22/99          9,000        $ 7.50       $ 67,500.00


                                      -10-
<PAGE>
(3)  Alpha  Technologies,  Inc.  transferred on February 27, 2000, 15,600 shares
     of Common  Stock to Alfred  Teo at a price of $19.875 per share or $310,050
     in the aggregate.

(4)  Lambda  Financial  Service  Corp. transferred  on February 27, 2000, 30,000
     shares of  Common  Stock  to  Alfred Teo at a price of $19.875 per share or
     $596,250 in  the  aggregate.

(5)  Alfred  Teo  and  Annie  Teo effected the following market dispositions:


  Date         Quantity        Price       Total Cost

11/30/00       170,000       $ 22.45       $ 3,816,500
12/1/00        175,000       $ 22.45       $ 3,928,750
12/4/00        275,000       $19.875       $ 5,465,625
12/4/00        725,000       $ 19.00       $13,775,000



     No  other transactions in the class of securities reported were effected by
the  Reporting  Persons  since  October  9, 1998 to December 15, 2000 other than
those  listed  above.

          (d)  Not  applicable.

          (e)  Not  applicable.

ITEM  6.  CONTRACTS,  ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT
          TO  SECURITIES  OF  THE  ISSUER

          Item  6  is  hereby  amended so as to read in its entirety as follows:
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.  Mr.  and Mrs.  Teo
have  also  stated that, in the election of directors, they intend to vote their
shares  of  the  Issuer  in  favor of the Governance Committee's nominees to the
Board;  not to directly or indirectly participate in any solicitation of proxies
other  than  as  recommended  by  the Board with respect to voting shares of the
Issuer;  not  to  form,  join  or in any way participate in a "group" within the
meaning  of Section 13(d)(3) of the Securities Exchange Act of 1934 with respect
to  any  voting  securities  of the Issuer; and not to otherwise act alone or in
concert  with  others  to  seek control of the Issuer.  The Issuer has signed no
agreement  with  Mr.  Teo  or  any  other  Reporting  Person with respect to the
foregoing  matters.


                                      -11-
<PAGE>
                                    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  January  4,  2000.


/s/  Alfred  S.  Teo
------------------------------------------
Alfred  S.  Teo,  Individually


/s/  Annie  Teo
------------------------------------------
Annie  Teo,  Individually



ALPHA INDUSTRIES, INC. RETIREMENT PLAN



By:  /s/  Alfred  S.  Teo
   ---------------------------------------
      Alfred  S.  Teo,  Trustee


ALPHA  TECHNOLOGIES,  INC.



By:  /s/  Alfred  S.  Teo
   ---------------------------------------



LAMBDA  FINANCIAL  SERVICE  CORP.



By:  /s/  Alfred  S.  Teo
   ---------------------------------------


                                      -12-
<PAGE>


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