FORM 4
[ ] 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 *

Brennan Gregory L 		2. Issuer Name and Ticker or Trading Symbol

CIRRUS LOGIC INC [ CRUS ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
VP and GM, Apex Precision Pwr
(Last)          (First)          (Middle)

2901 VIA FORTUNA 		3. Date of Earliest Transaction (MM/DD/YYYY)

8/9/2010
(Street)

AUSTIN, TX 78746
(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   8/9/2010     S (1)    3308   D $20.64   10000   D    
Common Stock   8/9/2010     M    15000   A $7.35   25000   D    
Common Stock   8/9/2010     S (1)    15000   D $20.6477   10000   D    
Common Stock   8/9/2010     M    2500   A $5.25   12500   D    
Common Stock   8/9/2010     S (2)    2500   D $20.6301   10000   D    
Common Stock   8/10/2010     F (3)    1511   D $20.1486   8489   D    

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
Incentive Stock Option (right to buy)   $5.25   8/9/2010     M         2500      (4) 10/1/2018   Common Stock   2500   $0   21667   D    
Incentive Stock Option (right to buy)   $7.35   8/9/2010     M         15000      (5) 8/1/2017   Common Stock   15000   $0   5000   D    

Explanation of Responses:
( 1)  The Sales price reported in Column 4 is a weighted average price. Prices ranged from $20.64 to $20.65.
( 2)  The Sales price reported in Column 4 is an exact price of $20.6301.
( 3)  Sell to cover tax withholding on release of restricted stock granted on 08/01/07.
( 4)  25% of the option, representing a right to purchase a total of 40,000 shares, became exercisable on 10/1/09, which was the first anniversary of the date on which the option was granted. The remaining 75% of the shares have vested, and will continue to vest, in 36 equal monthly installments beginning on 11/1/09.
( 5)  25% of the option, representing a right to purchase a total of 20,000 shares, became exercisable on 8/1/08, which was the first anniversary of the date on which the option was granted. The remaining 75% of the shares have vested, and will continue to vest, in 36 equal monthly installments beginning on 09/01/08.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Brennan Gregory L
2901 VIA FORTUNA
AUSTIN, TX 78746

VP and GM, Apex Precision Pwr

Signatures
By: Gregory Scott Thomas, Attorney-in-Fact For: Gregory L. Brennan 8/11/2010
** 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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