Altair parts substitutions

From: allisonp <allisonp_at_world.std.com>
Date: Thu May 25 18:23:22 2000

>> However no one ever supplied the 3000 two bit slice other than intel.
>
>I don't know if they ever actually supplied them, but I have a 1978
>Signetics 'Bipolar and MOS microprocessors' Databook that lists the
>S/N3001 microprogam control unit and the S/N3002 Central Processing
>Element. AFAIK they are equivalent to the Intel parts.
>
>The UK availability chart on the inside cover seem to imply that the
>3000-series were available from Signetics in the UK.


Sig was the second source for many and made few if any.

>The same book also lists the 2901-1 4-bit bit-slice, the 8x300, the 8080,
>SC/MP-II and the 2650. And a number of peripheral devices.


>One other 'fun' item in the book is the 3000KT8080SK. This is a kit (PCB
>+ components) to make an 8080-compatible CPU using 3000 bit-slice. I
>would _love_ to see the documentation (which included schematics and
>microprogram listings) for this kit ;-)


It's been years but I've seen the intel version of that kit. I ahve the
signetics
catalog but never met anyone that could get half the parts in it.


Allison
Received on Thu May 25 2000 - 18:23:22 BST