Re: ??: [oc] blabla EPROM vsFLASH, kazaam how much?, kazaam how much?

[Daniel Haensse <daniel.haensse@alumni.ethz.ch>]

;-) I call this engineering.

Dani

Am Mittwoch, 9. Januar 2002 13.20 schrieben Sie:
> Mathias,
>
> I've been, I've seen, I found the price and sat down again. 2Mbyte SRAM for
> $130+ dollars egh? I must be in the wrong business, true for new behemoth
> designs I have plans for then four of this can be accommodated no problem
> in the final $18K price but my first ones are trying to stay under $50. I
> will keep a note of them though mate, if you find some cheaper ones, even
> say 512K models please let me know. Plus faster would be nice, with 5ns
> being very lovable ;-))
>
> Paul
>
> > -----Original Message-----
> > From: owner-cores@opencores.org [mailto:owner-cores@opencores.org]On
> > Behalf Of Mathias Johansson
> > Sent: 09 January 2002 04:51
> > To: cores@opencores.org
> > Subject: RE: ??: [oc] blabla EPROM vsFLASH
> >
> >  > Okay I'll use DRAMs for fluid data and just use FLASH for ucLinux
> >  > binaries, power on/off and critical log. All I need now is good place
> >  > to buy them or get some free samples from somewhere. Fed up with
> >  > talking now want to walk the walk ;-)
> >  > Paul
> >
> > <commersial mode>
> > DRAM? Why? No need to involve any (relatively) complex memory controller,
> > you can have the best of two worlds using the sweet baby - DS1270 - from
> > Dallas Semiconductor. This one is great! 16M x8 SRAM (that's 2 mBytes you
> > know..), access times of 70 ns (quite favourable comparisson to FLASH) NO
> > LIMITED write access! Just write this baby anyting you want, she'll
> > remember it. Trivial write procedure (after all, it's just ordinary
> > SRAM!) and the battery backed version will retain it's data up to 5 years
> > w/o VCC. Sure beats Flash in most applications requiring somewhat
> > frequent updates/writes. I actually use it as flash substitute in all my
> > designs. Works great as "BIOS"/boot-code storage, say lower 64kb or
> > something, as well as program memory, normal data RAM, power-off
> > log-area, framebuffer for yer Kool Display hardware or whatever. Does it
> > get any better? I'm in love... :-)
> >
> > Oh yeah, it's standard thoughhole 36 pin DIL. Maybe some SMD version
> > around aswell, don't know.
> >
> > Just thought I'd mention this, I am not in any way associated with Dallas
> > semi. (what'd give you that idea?? :-)
> >
> > Oh and btw... www.maxim-ic.com Need I say more? Free samples of this
> > beauty... You'll never know how you did get by w/o her!
> > </commersial mode>
> > Regards Mathias
> >
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