At29c256-70pi

[kustomjs]

Hi Guys
I need to know where I can get this eprom at? part number is AT29C256-70PI I need big qty of them. and here is the picture for the AT29C256-70PI **broken link removed**

and can anybody tell me more information on this eprom and here is the picture of it.**broken link removed**

 

[Papabravo]

The AT29C256 is more than 15 years old and may no longer be manufactured. Unlses you find a ditributor with stock you're likely to be SOL. All American is the only ditributor listed on the Atmel website, but the quantity listed is -200, and they were -90JI in any case. I'm not sure what this means, but I don't think it is good news.

The other part has no useful markings. It is very likely a custom part with no publicly available datasheet or information. Again I think you are SOL.

 

[kustomjs]

Ok guys I was on https://www.mcumall.com/comersus/store/comersus_viewItem.asp?idProduct=3130 and they was telling me that I can use 27C256 instead of the AT29C256-70PI is that true? if so I am going to get the 27C256 instead. Thanks Tim

 

[Papabravo]

That's a big maybe good buddy. The Atmel part is a flash memory part and is probably newer than the CMOS OTP(One Time Programmable). IIRC the 27C256 does not have the snappy 70 nanosecond access time. You should be carefull about listening to people who have something to sell.

Never say never..turns out I was wrong
Try these guys
**broken link removed**