[sdiy] transistion from 7489/74189 to more modern ram??

Paul Maddox yo at VacoLoco.net
Sat Dec 17 22:14:45 CET 2011


You need to be looking for "dual port RAM".

It's more expensive, usually SMD and usually lower density....

here's a quick start 
http://www.idt.com/?catID=58660&tab=genericparts

Paul

On 17 Dec 2011, at 20:16, dan snazelle wrote:

> I have looked through the Jameco Rams and they seem to all have a shared DATA in/out
> 
> can anyone recommend some (pretty easy) to get SRAMS that have seperate data ins and outs?
> 
> capacity is not an issue.
> 
> i can always just use part of the Ram if it is too big
> 
> thanks!
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