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[DPRG] Re: [SeattleRobotics] SRAM's

Subject: [DPRG] Re: [SeattleRobotics] SRAM's
From: Randy Carter rwcarter at foxinternet.net
Date: Mon Oct 16 23:04:20 CDT 2000

I have a couple of more part numbers for you.  The first is
Samsun KM62256BLP-7, and the second is Cypress CY62256LL-70PC. 
These are both 70 nS low power CMOS devices in 28 pin .6"
packages.

Kipton Moravec wrote:
> 
> I just ran into an interesting situation.  I have been using 32K x 8 70 ns
> SRAMS for a lot of projects.  It looks like production is winding down and
> they may not be available in the future, especially in the 28 pin DIP
> package.
> 
> The 28 pin DIP is great for prototyping and testing.  As well as for
> hobbyists, like robotics people.
> 
> Mouser used to sell NEC 32K x 8 SRAMs for $1.65 each. Digikey does not sell
> anything smaller than 128K x 8 anymore.
> 
> NEC does not make a 32K x 8 anymore.  ISSI stopped the DIP package, but
> still makes a surface mount version.
> Mitsubishi still is making a 32Kx8 M5M5256DP AND Tosheba is still making the
> TC55257DPL.  I think Fujitsu is still making one, but I don't have the
> number at the moment. I am in the process of buying 75 of them, and one bid
> was $4.50 each and the other was $3.35 each.  Quite a lot more than the
> $1.65 Mouser has in their catalog.
> 
> Does anyone know any other manufacturers that are still in production with a
> 32K x 8 70 ns SRAM in a DIP package? (And their part numbers?)
> 
> Kipton Moravec  kip at kdream.com
> DREAM
> Custom Electronics Design and Manufacture
> http://www.kdream.com
> 
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