https://community.nxp.com/t5/LPC-Microcontrollers/LPC-micro-LPC1549JBD100K/m-p/1666227#M52930 <P>Hi&nbsp;AmirAli2022&nbsp;</P> <P>LPC1549JBD100 is part number. LPC1549JBD100K is part number with packing type information. They refers to exactly the same chip.<BR />see this site:<BR /><A href="https://www.nxp.com/part/LPC1549JBD100#/" target="_blank">https://www.nxp.com/part/LPC1549JBD100#/</A></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ZhangJennie_1-1686231816572.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/226853iEBBAE3A9BC470065/image-size/medium?v=v2&amp;px=400" role="button" title="ZhangJennie_1-1686231816572.png" alt="ZhangJennie_1-1686231816572.png" /></span></P> <P>Hope this helps,</P> <P>Jun Zhang</P> <P>&nbsp;</P> <P>&nbsp;</P> Thu, 08 Jun 2023 13:44:00 GMT ZhangJennie 2023-06-08T13:44:00Z https://community.nxp.com/t5/LPC-Microcontrollers/LPC-micro-LPC1549JBD100K/m-p/1666162#M52927 <P>I have question about LPC micro wih part number "LPC1549JBD100", nowadays in websites like Mouser or Digikey or&nbsp; ... this micro part number is "LPC1549JBD100K"...</P><P>What is letter "K" at the end of part number? no data in datasheet about this letter...</P><P>Thank you</P> Thu, 08 Jun 2023 11:46:11 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC-micro-LPC1549JBD100K/m-p/1666162#M52927 AmirAli2022 2023-06-08T11:46:11Z https://community.nxp.com/t5/LPC-Microcontrollers/LPC-micro-LPC1549JBD100K/m-p/1666227#M52930 <P>Hi&nbsp;AmirAli2022&nbsp;</P> <P>LPC1549JBD100 is part number. LPC1549JBD100K is part number with packing type information. They refers to exactly the same chip.<BR />see this site:<BR /><A href="https://www.nxp.com/part/LPC1549JBD100#/" target="_blank">https://www.nxp.com/part/LPC1549JBD100#/</A></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ZhangJennie_1-1686231816572.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/226853iEBBAE3A9BC470065/image-size/medium?v=v2&amp;px=400" role="button" title="ZhangJennie_1-1686231816572.png" alt="ZhangJennie_1-1686231816572.png" /></span></P> <P>Hope this helps,</P> <P>Jun Zhang</P> <P>&nbsp;</P> <P>&nbsp;</P> Thu, 08 Jun 2023 13:44:00 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC-micro-LPC1549JBD100K/m-p/1666227#M52930 ZhangJennie 2023-06-08T13:44:00Z