Hi guys had pcb way made up some TF520 pcbs rev 3.0 have 3 spare if you want one iv'e build up 020 @ 40 mhz (ive got a 020 20@40 running stable in a a500 with heatsink and 3m double sided termal tape) send me a pm ill post it to ya works with atari st 520 also, might even work in a classic also never been tried, git hub link TF520 , missing caps on bom list are all 100nf, this cost me like $50 AUD in total to make i did my own smd solderling with paste and flux + microscopey ( as bruce says , love you bruce mate that thing esr thing eppp not another hangry steve eppp. :p *tounge at right angle* ) anyways cheap alternative to a pi strom due to clpd sortages.

I thought the Xilinx XC9536XL were out of stock, too?

*edit kia i got these chips 5 years ago mate, also 020 $ 14.95 free shipping AUD atm hes still doing it link ebay seller
i got 10 chips on ebay * risky they where ligit* time i got these pcb's made ill slide the clpds with the boards , hard to get now huh? hmmmp alll fpga / clpds sortage people using trion fpgas.

this authenic guy been getting 020 @ 20 mhz from https://www.ebay.com.au/itm/382869543552?epid=1800655399&hash=item5924cd9a80:g:1SgAAOSwsVtcoA4O cheap as $15 AUD , btw there not 16mhz counterfit rebaged one they look suspect did acetone + swab (ear thing) wipe no blackage.

thaks mate love your brain as mac 84 says :p