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    <title>LPC MicrocontrollersのトピックLPC1857JET256 Chip Markings Batch Information</title>
    <link>https://community.nxp.com/t5/LPC-Microcontrollers/LPC1857JET256-Chip-Markings-Batch-Information/m-p/1383894#M47331</link>
    <description>&lt;P&gt;Good day&lt;/P&gt;&lt;P&gt;I really struggling to get a hold of processors for my project. I am working with the NXP LPC 1857JET256. I received some units from an uncertified source and now I am trying to verify them. Can any one point me to somewhere where I can read up on what the additional markings mean on the chip. I'm hoping for manufacturing dates and batch numbers. The Chip reads the following:&lt;/P&gt;&lt;P&gt;NXP&lt;/P&gt;&lt;P&gt;LPC1857JET256&lt;/P&gt;&lt;P&gt;P4GS15.00&amp;nbsp; &amp;nbsp; &amp;nbsp;Q1&lt;/P&gt;&lt;P&gt;ESD16080A&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks&lt;/P&gt;&lt;P&gt;JR&lt;/P&gt;</description>
    <pubDate>Thu, 09 Dec 2021 08:53:36 GMT</pubDate>
    <dc:creator>jean-riegardtva</dc:creator>
    <dc:date>2021-12-09T08:53:36Z</dc:date>
    <item>
      <title>LPC1857JET256 Chip Markings Batch Information</title>
      <link>https://community.nxp.com/t5/LPC-Microcontrollers/LPC1857JET256-Chip-Markings-Batch-Information/m-p/1383894#M47331</link>
      <description>&lt;P&gt;Good day&lt;/P&gt;&lt;P&gt;I really struggling to get a hold of processors for my project. I am working with the NXP LPC 1857JET256. I received some units from an uncertified source and now I am trying to verify them. Can any one point me to somewhere where I can read up on what the additional markings mean on the chip. I'm hoping for manufacturing dates and batch numbers. The Chip reads the following:&lt;/P&gt;&lt;P&gt;NXP&lt;/P&gt;&lt;P&gt;LPC1857JET256&lt;/P&gt;&lt;P&gt;P4GS15.00&amp;nbsp; &amp;nbsp; &amp;nbsp;Q1&lt;/P&gt;&lt;P&gt;ESD16080A&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks&lt;/P&gt;&lt;P&gt;JR&lt;/P&gt;</description>
      <pubDate>Thu, 09 Dec 2021 08:53:36 GMT</pubDate>
      <guid>https://community.nxp.com/t5/LPC-Microcontrollers/LPC1857JET256-Chip-Markings-Batch-Information/m-p/1383894#M47331</guid>
      <dc:creator>jean-riegardtva</dc:creator>
      <dc:date>2021-12-09T08:53:36Z</dc:date>
    </item>
    <item>
      <title>Re: LPC1857JET256 Chip Markings Batch Information</title>
      <link>https://community.nxp.com/t5/LPC-Microcontrollers/LPC1857JET256-Chip-Markings-Batch-Information/m-p/1385016#M47353</link>
      <description>&lt;P&gt;You can find some information on the errata&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&lt;A href="https://www.nxp.com/docs/en/errata/ES_LPC185X_3X_2X_1X_FLASH.pdf" target="_blank"&gt;https://www.nxp.com/docs/en/errata/ES_LPC185X_3X_2X_1X_FLASH.pdf&lt;/A&gt;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;I hope this will help you&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Regards&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Fri, 10 Dec 2021 17:11:08 GMT</pubDate>
      <guid>https://community.nxp.com/t5/LPC-Microcontrollers/LPC1857JET256-Chip-Markings-Batch-Information/m-p/1385016#M47353</guid>
      <dc:creator>vicentegomez</dc:creator>
      <dc:date>2021-12-10T17:11:08Z</dc:date>
    </item>
    <item>
      <title>Re: LPC1857JET256 Chip Markings Batch Information</title>
      <link>https://community.nxp.com/t5/LPC-Microcontrollers/LPC1857JET256-Chip-Markings-Batch-Information/m-p/1386131#M47370</link>
      <description>&lt;P&gt;It Does. Thanks a lot&lt;/P&gt;</description>
      <pubDate>Tue, 14 Dec 2021 07:07:08 GMT</pubDate>
      <guid>https://community.nxp.com/t5/LPC-Microcontrollers/LPC1857JET256-Chip-Markings-Batch-Information/m-p/1386131#M47370</guid>
      <dc:creator>jean-riegardtva</dc:creator>
      <dc:date>2021-12-14T07:07:08Z</dc:date>
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