22 Jan
2009
22 Jan
'09
7:09 a.m.
Alexander Voropay wrote:
2009/1/21 Gordon JC Pearce MM3YEQ <gordonjcp at
gjcp.net>:
There chips are not rare. In Russia you can buy it for about ~2$.
Seems, they are rare on the e-bay only. :)
The K1801VM1 was original Soviet design without direct Western analog.
The command set was PDP-11 implementing 64 basic commands.
The bus was Q-bus -like that simplified system design.
If you can read Russian, visit:
http://ru.wikipeia.org/wiki/1801BMx
So what about datasheets for these parts, are there any available in
electronic form?
I'm particularly interested in the KR1801VM2 variation.
Don