Found these in a box, some I know, some I dont.....

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JAC



Joined: 24 Jul 2005
Posts: 3469

PostPosted: Wed Feb 01, 2006 6:36 pm    Post subject: Found these in a box, some I know, some I dont..... Reply with quote

Not sure what this is...
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JAC



Joined: 24 Jul 2005
Posts: 3469

PostPosted: Wed Feb 01, 2006 6:41 pm    Post subject: Reply with quote

....
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JAC



Joined: 24 Jul 2005
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PostPosted: Wed Feb 01, 2006 6:50 pm    Post subject: Reply with quote

some nice eproms
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JAC



Joined: 24 Jul 2005
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PostPosted: Wed Feb 01, 2006 6:58 pm    Post subject: Reply with quote

not the best condition, and I havent cleaned any of these yet.
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CPUShack



Joined: 16 Jun 2003
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Location: State of Jefferson, USA

PostPosted: Wed Feb 01, 2006 7:00 pm    Post subject: Reply with quote

The white chip is a 2650 CPU by signetics
The D8748 is MCS-48 MCU
The other windowed chips are EPROMs

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JAC



Joined: 24 Jul 2005
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PostPosted: Wed Feb 01, 2006 7:05 pm    Post subject: Reply with quote

?
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CPUShack



Joined: 16 Jun 2003
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PostPosted: Wed Feb 01, 2006 7:11 pm    Post subject: Reply with quote

Mask ROM
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CPUShack



Joined: 16 Jun 2003
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PostPosted: Wed Feb 01, 2006 7:12 pm    Post subject: Reply with quote

and FD1781 is a floppy disk controller
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JAC



Joined: 24 Jul 2005
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PostPosted: Wed Feb 01, 2006 7:13 pm    Post subject: Reply with quote

Thanks dude. I think the rest of the stuff I have is a mix of rom/eprom/controller.
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CPUShack



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PostPosted: Wed Feb 01, 2006 8:14 pm    Post subject: Reply with quote

I like EPROMs and MCUs if ya have them
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jrmunro



Joined: 01 Feb 2003
Posts: 3149
Location: Vancouver, Canada

PostPosted: Wed Feb 01, 2006 8:27 pm    Post subject: Reply with quote

CPUShack wrote:
and FD1781 is a floppy disk controller


John do you know who the manufacturer is of this chip.
I have a chip that has the same logo but couldn`t find out who made it.

John
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CPUShack



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PostPosted: Wed Feb 01, 2006 8:29 pm    Post subject: Reply with quote

western digital is who designed it
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jrmunro



Joined: 01 Feb 2003
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PostPosted: Wed Feb 01, 2006 8:30 pm    Post subject: Reply with quote

CPUShack wrote:
western digital is who designed it


Excellent
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