**Exhibit 4.52****PROMISSORY NOTE**Date: October 2, 2007 (the “Issue Date”)1. **FOR VALUE RECEIVED**, STATS ChipPac (Thailand) Limited, a company organized under the laws ofThailand and having its registered address at 101/32-33 Nava Nakorn Industrial Estate, Km 46Phaholyothin Road, Klomg 1, Klong Luang, Pathumthani 12120, Thailand (the “Issuer”) **PROMISESTO PAY**to LSI (Thai) Ltd., a company organized under the laws of Thailand and having itsregistered address at 101/32-33 Nava Nakorn Industrial Estate, Km 46 Phaholyothin Road, Klomg1, Klong Luang, Pathumthani 12120, Thailand (“LSI Thai”), the principal sum of US$50,000,000in four successive annual installments as follows:         **Principal Amount (US$)** **Installment Due Date**1.  20,000,000  On the date falling 12 months after theIssue Date of this promissory note (this“Note”)2.  10,000,000  On the date falling 24 months after theIssue Date3.  10,000,000  On the date falling 36 months after theIssue Date4.  10,000,000  On the date falling 48 months after theIssue Date**Total** **US$50,000,000**  2. This Note is delivered pursuant to an asset purchase agreement between the Issuer, LSI Thai,STATS ChipPAC Ltd and LSI Corporation dated as of 25th July 2007 (the “AssetPurchaseAgreement”) and is subject to the terms and conditions therein, including withoutlimitation, the adjustments provided under Section 4.2 of the Asset Purchase Agreement. 3. Interest at the rate of 6% per annum shall be payable on each anniversary of the Issue Dateon all outstanding principal amounts under the Note. 4. Subject to paragraph 6 hereunder, this Note and any rights hereunder, in whole or in part,are assignable by LSI Thai at the sole discretion of LSI Thai to LSI Corporation. 5. Subject to paragraph 2 above, this Note constitutes the Issuer’s absolute, unconditional andirrevocable obligation to pay to LSI Thai or its assignee.
 

 
6. LSI Thai or its assignee agrees that this Note shall be subject to a set-off or reduction byIssuer if LSI Corporation does not meet its obligation, if any, to pay for any shortfall toits Committed Spending as set forth in Section 6.1 of Schedule 1, Schedule of Amendments —Thailand Factory, to that General Purchase Agreement between the Issuer and LSI Corporation,dated as of October 2, 2007 and the Issuer’s payment obligations hereunder shall then bereduced accordingly. 7. This Note is governed by and shall be construed in accordance with the laws of Thailand. TheIssuer hereby unconditionally and irrevocably submits to the non-exclusive jurisdiction of thecourts of Thailand. The Issuer hereby irrevocably waives any defense of an inconvenient forumto the maintenance of such action or proceeding. Nothing herein shall affect the right of LSIThai or its assignee to serve legal process in any other manner permitted by law or affect theright to bring any action or proceeding against the Issuer or its property in the courts ofany other jurisdictions.     The Common Seal of)    **STATS CHIPPAC (THAILAND) LTD**)    was hereunto affixed in accordance)    with its Articles of Association)            Signed: /s/  Tan Lay Koon, Director     Witness: /s/  Janet Taylor, General Counsel, STATS ChipPAC Ltd.