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From: daveh@cbmvax.UUCP
Newsgroups: comp.sys.m68k
Subject: Re: Fast 68000s?
Message-ID: <2649@cbmvax.UUCP>
Date: Wed, 28-Oct-87 18:11:26 EST
Article-I.D.: cbmvax.2649
Posted: Wed Oct 28 18:11:26 1987
Date-Received: Sat, 31-Oct-87 18:28:31 EST
References: <7487@dartvax.UUCP>
Organization: Commodore Technology, West Chester, PA
Lines: 20

in article <7487@dartvax.UUCP>, stevel@dartvax.UUCP (Steve Ligett) says:
> 
> Why are there no 68000s faster than 12.5 MHz?

Thompson makes a 16MHz 68000.

> Is it a marketing decision, or an engineering one?  Does the 68HC000 use the
> same CMOS technology as the 68020?

Probably both.  The NMOS 68000 can't likely be pushed any faster.  The CMOS
68000 is newer, and hasn't likely been pushed that far.  But why would 
Motorola let you settle for a 20MHz 68000 at $15.00, when they can sell you
a 20MHz 68020 for $300.00?

>      Steve Ligett  stevel@dartmouth.edu  or
> (decvax harvard ihnp4 linus true)!dartvax!stevel
-- 
Dave Haynie     Commodore-Amiga    Usenet: {ihnp4|caip|rutgers}!cbmvax!daveh
   "The B2000 Guy"              PLINK : D-DAVE H             BIX   : hazy
    "Computers are what happen when you give up sleeping" - Iggy the Cat