<PAGE>
AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JANUARY 12, 1996
REGISTRATION NO. 33-63453
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SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
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POST-EFFECTIVE AMENDMENT NO. 1
TO
FORM S-3
REGISTRATION STATEMENT UNDER
THE SECURITIES ACT OF 1933
------------------------
LATTICE SEMICONDUCTOR CORPORATION
(Exact name of Registrant as specified in its charter)
DELAWARE 93-0835214
(State or other jurisdiction of (I.R.S. Employer
incorporation or organization) Identification Number)
5555 NE MOORE COURT
HILLSBORO, OREGON 97124-6421
(503) 681-0118
(Address, including zip code and telephone number, including
area code, of Registrant's principal executive offices)
------------------------
CYRUS Y. TSUI
CHAIRMAN OF THE BOARD, CHIEF EXECUTIVE OFFICER AND PRESIDENT
5555 NE MOORE COURT
HILLSBORO, OREGON 97124-6421
(503) 681-0118
(Name, address, including zip code, and telephone number, including
area code, of agent for service)
------------------------
COPIES TO:
LARRY W. SONSINI, ESQ. WILLIAM D. SHERMAN, ESQ.
JOHN A. FORE, ESQ. C. JEFFREY CHAR, ESQ.
WILSON SONSINI GOODRICH & ROSATI, PC MORRISON & FOERSTER
650 PAGE MILL ROAD 755 PAGE MILL ROAD
PALO ALTO, CALIFORNIA 94304 PALO ALTO, CALIFORNIA 94304
(415) 493-9300 (415) 813-5600
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<PAGE>
The Registrant hereby withdraws from registration 375,000 shares of its
Common Stock registered to cover an over-allotment option granted to the
Underwriters. The over-allotment option was not exercised and has expired with
respect to the unexercised shares. The Registration Statement is hereby amended,
as appropriate, to reflect the expiration of such option.
<PAGE>
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the Registrant
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-3 and has duly caused this Post-Effective
Amendment to the Registration Statement to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of Hillsboro, State of
Oregon, on the 12th of January, 1996.
LATTICE SEMICONDUCTOR CORPORATION
By: /s/ RODNEY F. SLOSS
-----------------------------------
Rodney F. Sloss,
VICE PRESIDENT, FINANCE
Pursuant to the requirements of the Securities Act of 1933, this Amendment
to the Registration Statement has been signed below by the following persons in
the capacities and on the dates indicated.
<TABLE>
<CAPTION>
SIGNATURE TITLE DATE
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<C> <S> <C>
*/s/ CYRUS Y. TSUI President, Chief Executive Officer
------------------------------------------- and Chairman of the Board January 12, 1996
Cyrus Y. Tsui (Principal Executive Officer)
*/s/ RODNEY F. SLOSS Vice President, Finance (Principal
------------------------------------------- Financial and Accounting January 12, 1996
Rodney F. Sloss Officer)
*/s/ DANIEL S. HAUER
------------------------------------------- Director January 12, 1996
Daniel S. Hauer
*/s/ HARRY A. MERLO
------------------------------------------- Director January 12, 1996
Harry A. Merlo
*/s/ LARRY W. SONSINI
------------------------------------------- Director January 12, 1996
Larry W. Sonsini
*/s/ DOUGLAS C. STRAIN
------------------------------------------- Director January 12, 1996
Douglas C. Strain
*By: /s/ RODNEY F. SLOSS
--------------------------------------
Rodney F. Sloss, Attorney-in-Fact
</TABLE>
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