EPROM 27C256 PDF

Buy EPROM K-Bit 32K x 8 ns Pin DIP. 27C 27C 27C 27C 27C M27CBF1. M27CBF1. The Microchip Technology Inc. 27C is a CMOS K bit electrically Programmable Read Only Memory (EPROM). The device is organized as 32K words by. I believe the 29Cxxx series is now mostly flash memory. Digi-Key appears to have several thousand of the 32Kx8 AT28C EEPROM’s, which.

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Instead, describe your situation and the specific problem you’re trying to solve.

Perhaps the limited available time could be used more productively with modern hardware. Would the 28C family be a good place to look? It is a little cheaper in price, and also in stock.

I believe the 29Cxxx series is now mostly flash memory. Not an ‘answer’ per se, just an opinion: I don’t have experience with FPGAs.

It’ll put the students in touch with the hardware in a way that an anonymous microprocessor or Eprlm chip can’t match. I like the Nexys2, personally, and the books by Haskell and Hanna look pretty good for bringing newbies up to speed. I’ve been using the pin DIP package. They tend to be higher capacity than eeprom devices, so more address lines to tie but otherwise equivalent to eeprom for your purposes.

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27C EPROM Datasheet

JohnMiles, could eprok elaborate? I’ve never used the 28C family. The goal of my course, which is the introductory and only architecture course at a liberal arts college, is for students to understand all the way down to the gate level how computers work, not to directly prepare them for industry. Specifically, it should be reasonably priced, reliable, easily available and likely to remain so.

One more comment in the form of an actual answer: There is also a 8Kx8 version of the same chip with a compatible pinout unused address lines are no connects. The users who voted to close gave this specific reason: By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

Lot 10X eprom 27C256 or 27256 + Flash programmation included

It doesn’t need to be pin-compatible, although that would be nice. This question appears to be off-topic. Can you tell me anything about it? 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. I hope to inspire some to grad school. The instructions are read by a low-speed TTL computer they build. I find the hands-on work, including the debugging, to really get this information across to all levels of students.

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You could also eptom Jameco.

27C EPROM Technical Data

Home Questions Tags Users Unanswered. There are still a few parallel flash chips available in DIP, e. I also don’t care about speed. Broke into two comments since the edit function doesn’t seem to work Have you checked out some of the boards available at www. John Miles 3 5.

Robustness to student wiring mistakes would be great.

27C256 – 27C256 256K EPROM Datasheet

Could you let me know why you think a FPGA approach would be better and point me to any educational material? Ellen Spertus 2 9 I don’t think you’re doing your students any favors by getting them to build stuff out of series TTL in this day and age.

However, it struck me that you must be spending a lot of time getting them to the point where they understand what they’re hooking up, and why. You didn’t say which package you are using, I assuming it is a pin DIP.