Monitor for iSBC 8024

From: Mike Cheponis <mac_at_Wireless.Com>
Date: Sat Nov 4 01:17:08 2000

Just some data; sometimes data helps.

Year Chip #transistors Die Size
---- ---- ------------ --------
74 8080 4,800 20 mm^2
75 6502 4,000 21 mm^2
76 Z80 8,500 18 mm^2

-Mike C

On Fri, 3 Nov 2000, ajp166 wrote:

> From: Richard Erlacher <richard_at_idcomm.com>
>
>
> >The Z80 core is about three times the size of the 650x core and really
> can't
> >do anything the 650x core can't do quite a bit faster. If you clock the
> two
>
>
> That may be true, I don't care. It's a "but, who cares" thing. If a
> manufacturer used z80 in a product and wanted an improved product
> do you think they will drop z80 or find a way to to package it tighter.
>
> >Gate arrays are not relevant to the typical microcontroller application.
> >The gate arrays are handy when an MCU is not fast enough, but for short
> >runs, where the MCU's shine, the FPGA's and CPLD's are much slower to
> >develop.
>
>
> You only have worked with low volume stuff then. In the high volume
> world it's common for vendors to suff parts into ASICs as a cost
> reduction
> or product design protection.
>
> >The single-chip examples I think about when I'm considering what to use
> are
> >frequently the Scenix SX family. They're as fast as a core in an FPGA,
> and,
>
>
> Who cares. I didnt' exclusivly say speed was the issue. You did.
>
> Allison
>
>
Received on Sat Nov 04 2000 - 01:17:08 GMT