FORM 4
[ X ] 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
                                                                                  
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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(f) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

BARRATT CRAIG H 		2. Issuer Name and Ticker or Trading Symbol

ATHEROS COMMUNICATIONS INC [ ATHR ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
President and CEO
(Last)          (First)          (Middle)

C/O ATHEROS COMMUNICATIONS, INC., 1700 TECHNOLOGY DRIVE 		3. Date of Earliest Transaction (MM/DD/YYYY)

5/24/2011
(Street)

SAN JOSE,, CA 95110
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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   5/24/2011     D    57000   (1) D $0   (1) 304775   D  
 
Common Stock   5/24/2011     D    155357   (2) D $0   (2) 149417   D  
 
Common Stock   5/24/2011     D    149418   D $45.00   (3) 0   D  
 
Common Stock   5/24/2011     D    2250   D $45.00   (3) 0   I   See Footnote   (4)
Common Stock   5/24/2011     D    2250   D $45.00   (3) 0   I   See Footnote   (4)

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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
Employee Stock Options (right to buy)   $9.34   5/24/2011     D         50000      (5) 1/13/2014   Common Stock   50000   $0   (6) 0   D  
 
Employee Stock Options (right to buy)   $10.03   5/24/2011     D         150000      (5) 1/20/2015   Common Stock   150000   $0   (6) 0   D  
 
Employee Stock Options (right to buy)   $24.40   5/24/2011     D         150000      (5) 2/1/2014   Common Stock   150000   $0   (6) 0   D  
 
Employee Stock Options (right to buy)   $27.37   5/24/2011     D         150000      (7) 2/12/2015   Common Stock   150000   $0   (6) 0   D  
 
Employee Stock Options (right to buy)   $34.02   5/24/2011     D         143000      (8) 2/10/2017   Common Stock   143000   $0   (6) 0   D  
 

Explanation of Responses:
( 1)  Consists of RSUs that were granted on 1/16/2011, that would vest subject to the Issuer's satisfaction of certain performance criteria for the fiscal year ended 12/31/2011; provided, however, that upon the closing of the merger contemplated by that certain Agreement and Plan of Merger dated as of January 5, 2011 (the "Merger Agreement"), by and among the Issuer, Qualcomm Incorporated ("Qualcomm") and T Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Qualcomm ("Merger Sub"), pursuant to which Merger Sub merged with and into the Issuer with the Issuer surviving as a wholly owned subsidiary of Qualcomm (the "Merger"), these RSUs were cancelled and converted into RSUs for a number of shares of Qualcomm common stock determined by multiplying the number of shares of Issuer common stock subject to these RSUs by approximately 0.791. These RSUs will vest on a time-based schedule.
( 2)  Consists of RSUs that were cancelled and converted into RSUs for a number of shares of Qualcomm common stock determined by multiplying the number of shares of Issuer common stock subject to these RSUs by approximately 0.791, subject to substantially the same terms and conditions as applied to these RSUs, pursuant to the Merger Agreement.
( 3)  Disposed of pursuant to the Merger Agreement in exchange for $45.00 per share on the effective date of the Merger.
( 4)  These shares were held in trust for the benefit of the reporting person's son. The reporting person's brother-in-law is the trustee of the trust. The reporting person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.
( 5)  The options are fully vested.
( 6)  This option was cancelled and converted into an option to purchase a number of shares of Qualcomm common stock determined by multiplying the number of shares of Issuer common stock underlying the option by approximately 0.791, subject to substantially the same terms and conditions as applied to these options, pursuant to the Merger Agreement.
( 7)  The options become exercisable in 48 equal monthly installments commencing on March 13, 2008.
( 8)  The options become exercisable in 48 equal monthly installments commencing on March 11, 2010.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
BARRATT CRAIG H
C/O ATHEROS COMMUNICATIONS, INC.
1700 TECHNOLOGY DRIVE
SAN JOSE,, CA 95110 		X
President and CEO

Signatures
Bruce P. Johnson, Attorney-in-fact 5/24/2011
** 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 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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