Yup! I have to agree, it's a FUJITSU part, and probably ECL if in the small
quad ceramic flatpack.
Dick
----- Original Message -----
From: Eric Smith <eric(a)brouhaha.com>
To: <classiccmp(a)classiccmp.org>
Sent: Tuesday, August 01, 2000 1:17 PM
Subject: Re: Discontinued IC's: Fairchild (?) MB15604; FPGA?
Douglas Quebbeman
<dhquebbeman(a)theestopinalgroup.com> wrote:
The CPU card in the Prime 2455 uses 17
pin-grid-array packages
with what I think is the Fairchild hallmark (an 'F' with a bar
above and a bar below), and the part number is MB15604.
Fujitsu.
Is this an FPGA?
More likely a gate array (non-field-programmable).