25 May
2000
25 May
'00
2:23 p.m.
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. 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