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29C K 32K x 8 5-volt Only CMOS Flash Memory Features. Fast Read Access Time 70 ns 5-volt Only Reprogramming Page Program Operation. AT29C Datasheet, 29C k ns CMOS Flash Memory Datasheet, buy AT29C 29C datasheet, 29C circuit, 29C data sheet: ATMEL – K 32K x 8 5 -volt Only CMOS Flash Memory,alldatasheet, datasheet, Datasheet search site.

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Not much luck though, any suggestions on who still carries them? Have you tried a standard 1. U18 and U19 have different address ranges. You didn’t say which package you are using, I assuming it is a pin DIP.

29C Datasheet pdf – K 32K x 8 5-volt Only CMOS Flash Memory – Atmel

The code for this is above my abillities right now, but maybe in a year or two or less if I can find the time to get really serious about learning Assembly.

I think that the Phoenix 2. My usual Maxim-IC doesn’t appear to carry them, that or i can’t find them, there are sites that MAY appear to carry them, but since i’m a student, i hope to use the free sample route. I hope to inspire some to grad school. I don’t think you can do much better than Futurlec http: I’ve thougt the same thing, but don’t know where to start. You shouldn’t need your programmer.


I find the hands-on work, including 29c26 debugging, to really get this information across to all levels of students.

One more comment in the form of an actual answer: If so, I’ve wasted a lot of time putting 27cs under the UV light for erasure. Greetings again, i’m posting this here as i’m trying to source a few for my AT to update the rom for 1.

29C256 Datasheet PDF – ATMEL

I 29c2566 a first generation with all-IBM parts. Then, with some minor modification to the plastic to make room for the jumper wire and solder, I put the tops back on and plugged them into the Mother board, inserted the programmed 29c’s and booted it up. Maybe I could run some wires from my programmer TOP to the sockets. Robustness to student wiring mistakes would be great. Would the 28C family be a good place to look?

I believe the 29Cxxx series is now mostly flash memory. I don’t know why this is. There’s a lot of good stuff in the 29C datasheet.

– Grassroots ECU Development – Library . 29C

I like the Nexys2, personally, and the books by Haskell and Hanna look pretty good for bringing newbies up to speed. John Miles 3 5. I’d be happy with as few as 8 address bits we use two LSs for the PCalthough I doubt anyone makes something that small. The 29C eeproms arrived today, so I’ll try it out and give results, for those interested.


I don’t have experience with FPGAs. If no, you may find that a standard 1.

Yep, I just beeped out my mother board and determined that pin 1 shows continuity to pin 27 which is a14 as you said. BTW, when ordering EPROMs be sure to check the complete part number carefully to make sure you’re getting the right package and that they are indeed eraseable; one-time-programmable OTP versions without a quartz window usually have the same base part number, with just a different letter in the suffix denoting a different package i.

The users who voted to close gave this specific reason: I’ve never used the 28C family. This is another possible solution http: That doesn’t surprise me.

If yes, have you tried the known 1.

The problem with this is that malicious or errant code could reprogram the chips simply by writing to the corresponding address range. They have a good price. Could you let me know why you think a FPGA approach would be better and point me to any educational material?