8 Jan
2010
8 Jan
'10
12:12 a.m.
From: cclist at sydex.com
To: cctalk at classiccmp.org
Date: Thu, 7 Jan 2010 15:08:45 -0800
Subject: Re: 1Kx8 EPROMs Intel 8208 vs. 2708
On 7 Jan 2010 at 20:29, Pete Turnbull wrote:
Hi Chuck
The intel 2758s were 2716s. Both H and L types.
Dwight
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In the 1976 edition, the 2708 is listed in the
EPROMs section while
the 8708 is listed in the MCS-80 section. The only differences in the
data are that the 2708 gives slightly more information, including
"typical" values for some parameters. In the 1979 edition, they're
listed on the same pages, ie there's one entry for 2708/8708 in the
EPROM section and one entry for i2708/i8708 in the Industrial section
(and on entry for M2708 -- no 8708 -- in the Military section). The
2708/8708 entry explicitly says "All 8708 specifications are identical
to the 2708 specifications". I suspect they just gave it an alternate
number to fit the 8080 family.
Thanks, that clears up a lot.
On a related issue, where can one obtain 2758 EPROMs ? I know you
can jigger around a 2716 to work, but the 1Kx8 5v-only part would be
good to have.
--Chuck