Hi Kieren,
Thank you for contacting Intel Community. From the PDN2041 notification, we have been noticed that the EPM1270GT144C5N devices are being discontinued. Due to production support limitations, the last time buy orders are subjected to available inventory. For details, kindly refer to the PDN 2041 as below:
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/pcn/pdn2041.pdf
The Intel FPGA has its authorized distributor to sell the FPGA devices. You could find the authorized distributor list from the link below:
https://www.intel.com/content/www/us/en/partner/where-to-buy/overview.html
Alternatively, you can go to the Intel Buy Online webpage:
https://buyfpga.intel.com/PartDetail?partId=763802
Thank you
Regards,
Chia Ling