RE: Re: TECH Star Wars PCB

74285 is a 4-bit binary multiplier. I found the pinouts here:

http://www.xs4all.nl/~ganswijk/chipdir/giicm/74285.txt

I assume the 74LS is the low power schottky version.

-doug

________________________________________
From: owner-vectorlist@vectorlist.org [owner-vectorlist@vectorlist.org] On Behalf Of peter jones [highwayman2000@mail.ru]
Sent: Sunday, August 26, 2007 12:10 PM
To: vectorlist@vectorlist.org
Subject: VECTOR: Re: VECTOR: TECH Star Wars PCB

-----Original Message-----
From: "jobrien@theobrienhouse.com" <jobrien@theobrienhouse.com>
To: vectorlist@vectorlist.org
Date: Sun, 26 Aug 2007 10:39:53 -0400
Subject: VECTOR: TECH Star Wars PCB

> So I am going to change out the IC at location 8b (Serial
> Subtractor). The Schematcs say this IC is a "LS385".
> Searching the internet essentially claims there is no such
> part as a "LS385". Looking at the actual boardset the IC at
> location 8b is labeled "AM25LS15PC"... Is this a typo on
> the schematics?

74LS285 / AM25LS15 is real enough - just rare as hell.
it's paired with a similar chip.

if there is a european source or a replacement in a gal i'd like to know!

---------------------------------------------------------------------------
** Unsubscribe, subscribe, or view the archives at http://www.vectorlist.org
** Please direct other questions, comments, or problems to chris@westnet.com
---------------------------------------------------------------------------
** Unsubscribe, subscribe, or view the archives at http://www.vectorlist.org
** Please direct other questions, comments, or problems to chris@westnet.com
Received on Sun Aug 26 22:06:10 2007