Ownership Submission
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

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(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
LAMBERT DAVID S
  2. Issuer Name and Ticker or Trading Symbol
MICROCHIP TECHNOLOGY INC [MCHP]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
VP, Fab Operations
(Last)
(First)
(Middle)
C/O MICROCHIP TECHNOLOGY INCORPORATED, 2355 WEST CHANDLER BOULEVARD
3. Date of Earliest Transaction (Month/Day/Year)
07/27/2006
(Street)

CHANDLER, AZ 85224-6199
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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 07/26/2006   G   625 D $ 31.85 171,852 (1) (2) I Held Directly and Indirectly by Trust and by Reporting Person's Children (2)
Common Stock 07/26/2006   G   625 D $ 31.85 171,852 (3) I Held Directly and Indirectly, by Trust and by Reporting Person's Children (3)
Common Stock 07/26/2006   G   625 D $ 31.85 171,852 (4) I Held Directly and Indirectly by Trust and by Reporting Person's Children (4)
Common Stock 07/26/2002   G   7,900 D $ 31.85 163,952 (5) I Held Directly and Indirectly by Trust and by Reporting Person's Children
Common Stock 07/27/2006   A   15,000 A $ 6.259 178,952 (6) I Held Directly and Indirectly by Trust and by Reporting Person's Children. (6)
Common Stock 07/27/2006   S   15,000 D $ 32.0263 163,952 (5) I Held Directly and Indirectly by Trust and by Reporting Person's Children (5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction 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
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(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
Common Stock Option (Right to Buy) $ 6.259 07/27/2006   A     15,000 07/01/2002 04/01/2008 Common Stock 15,000 $ 0 45,750 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
LAMBERT DAVID S
C/O MICROCHIP TECHNOLOGY INCORPORATED
2355 WEST CHANDLER BOULEVARD
CHANDLER, AZ 85224-6199
      VP, Fab Operations  

Signatures

 Deborah L. Wussler, as Attorney-in-Fact   07/31/2006
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) On 4/06/2006, the Reporting Person transferred ownership of 829 shares from Direct holding to Indirect holding, by Trust.
(2) Of the 171,852 shares held, 169,084 shares were held Directly; 829 shares were held by Trust; 714 shares were held by Reporting Person's son; 825 shares were held by Reporting Person's daughter; 200 shares were held by Reporting Person's son; and 200 shares were held by Reporting Person's daughter.
(3) Of the 171,852 shares held, 168,459 shares were held Directly; 829 shares were held by Trust; 714 shares were held by Reporting Person's son; 825 shares were held by Reporting Person's daughter; 825 shares were held by Reporting Person's son; and 200 shares were held by Reporting Person's daughter.
(4) Of the 171,852 shares held, 167,834 shares were held Directly; 829 shares were held by Trust; 714 shares were held by Reporting Person's son; 825 shares were held by Reporting Person's daughter; 825 shares were held by Reporting Person's son; and 825 shares were held by Reporting Person's daughter.
(5) Of the 163,952 shares held, 159,934 shares were held Directly; 829 shares were held by Trust; 714 shares were held by Reporting Person's son; 825 shares were held by Reporting Person's daughter; 825 shares were held by Reporting Person's son; and 825 shares were held by Reporting Person's daughter.
(6) Of the 178,952 shares held, 174,934 shares were held Directly; 829 shares were held by Trust; 714 shares were held by Reporting Person's son; 825 shares were held by Reporting Person's daughter; 825 shares were held by Reporting Person's son; and 825 shares were held by Reporting Person's daughter.

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