Date   : Sat, 28 Feb 2004 12:42:11 +0100 (GMT)
From   : Johan Heuseveldt <johan@...>
Subject: Re: Unknown chip

Hi Pete,

On Mon 23 Feb, Pete Turnbull wrote:

[snip]

> Indeed, it's the original Electron Plus 1 ROM.  I've been away on
> holiday otherwise I'd have put you all out of your misery more quickly
> ;-)  In case it helps in future, you might like to know that numbers
> like 201,... represent custom parts -- often ICs such as ROMs, ULAs,
> PALS, ASICs, etc but also case parts, custom cable assemblies, etc.
>  70.,... is for MOS chips, 74.,... is for standard (usually TTL) chips,
> 78.,... for transistors etc.

Thanks for the info.

greetings,
johan

-- 
Johan Heuseveldt <johan@...              >
  aka  waarland

  The best place is a Riscy place
 
When the going gets tough, everybody leaves.