Perhaps you should look out for 8501R4. In contrast to the original R1s, these are very reliable. My experience with the russion clones using TopMaxII as programmer is: If they don't fail during programming they work without issue. But the failure rate when programming these is much higher than PLS100 (820S100). /Frank On 22/02/2025 18:28, Francesco Messineo wrote: > I've never seen a good 8501 in my whole life so far. I have made a > replacement for it with a 6502 and 2 x ATF1502 CPLDs, this is barely > larger than the 8501 itself. But I only have one C16 that was donated > many years ago by a friend. >Received on 2025-02-22 20:00:02
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