Keatah Posted August 24, 2014 Share Posted August 24, 2014 What is a good EEPROM programmer? I'm retiring my MH RomWriter and Apparat programmers to classic status after a million years of usage. What is a good modern day EEPROM programmer that can handle today's stuff + yesteryear's stuff? Quote Link to comment Share on other sites More sharing options...
SkydivinGirl Posted August 25, 2014 Share Posted August 25, 2014 I use the GQ-4x from MCUMall. It can use Willem adapters or their own. The software is pretty decent as well. I haven't had any problems using the device with the power that USB provides, but you may need a power adapter for it if you do. I don't believe it can program PALs or GALs. http://www.mcumall.com/comersus/store/comersus_dynamicIndex.asp Good luck. Heather Quote Link to comment Share on other sites More sharing options...
Keatah Posted August 27, 2014 Author Share Posted August 27, 2014 No, it doesn't seem to support PAL/GAL. That is something I'm going to need. I was looking at the the TL866A which has some support for Lattice GAL devices. I believe GAL can be used to emulate PAL. And I also think that some programmers convert PAL Jedec into GAL. Not really sure on that. DSAFRAZ0012486.pdf Quote Link to comment Share on other sites More sharing options...
omf Posted August 27, 2014 Share Posted August 27, 2014 perhaps a programmer from xeltek would suit you well, they are however quite expensive Quote Link to comment Share on other sites More sharing options...
Keatah Posted August 27, 2014 Author Share Posted August 27, 2014 We have 3 of xeltecs in the lab. I'm looking for something for hobbyist/repair/archiving at home. Quote Link to comment Share on other sites More sharing options...
Lynxpro Posted August 30, 2014 Share Posted August 30, 2014 Is there a good one that doesn't cost an arm and a leg that works with OS X Macs [either PowerPC or Intel-based] and can read ROMs and write EPROMs [or EEPROMs] for A8, 5200, 7800, Genesis, and Jaguar? Thanks. Quote Link to comment Share on other sites More sharing options...
Keatah Posted August 31, 2014 Author Share Posted August 31, 2014 I'm going to pick up a GQ-4x and TL866A for the moment. They will suffice till I actually need to do a PAL. Quote Link to comment Share on other sites More sharing options...
+nanochess Posted August 31, 2014 Share Posted August 31, 2014 I got a GQ4X and it's pretty reasonable. Quote Link to comment Share on other sites More sharing options...
tregare Posted August 31, 2014 Share Posted August 31, 2014 i use a g540 for most things these days, it even programs gal chips Quote Link to comment Share on other sites More sharing options...
Uzumaki Posted September 20, 2014 Share Posted September 20, 2014 Used to have a Willhem programmer some years ago then it went bad. I still like to be able to read or progra, 2k and 4k eproms so naturally it'd require external power, typically around 12.5v just for vpp I haven't been able to find out if modern USB based programmer can handle old EPROM gracefully or if it'd throw a fit and balk at anything needing more than 5v. PS glad I don't need to do 1k, a typical 2708 needs weird voltage. It's usually easier to double up ROM image and burn it to 2716 and tie uppermost address pin to Vcc or gnd permanently. Quote Link to comment Share on other sites More sharing options...
szubaark Posted September 20, 2014 Share Posted September 20, 2014 I have GQ4x also. Actually this is my 2nd one, as the first one Fried after burning several 2764s eproms. But MCmall was good about sending me a new one. I just hope after few months this one doesnt fry also as these arent cheap ($99) Quote Link to comment Share on other sites More sharing options...
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