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JardaXor
Joined: 16 Aug 2012
Posts: 204
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 Posted: Fri Sep 07, 2012 4:33 am Post subject: Part of my last news... |
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| Preparing some for selling or swap... soon. |
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Piktscher
Joined: 13 Jun 2011
Posts: 119
Location: Germany
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| Posted: Sat Sep 08, 2012 7:23 am Post subject: |
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Really rare east German plastic EPROM U552D = 1702. So it is the only known 1702-EPROM in plastic package. The EPROM was made but failed the quality inspections. It was not possible to tighten up the package enough. Note: Even the window is made of plastic! I received this EPROM from a former employe of FWE / MME.  |
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CPUShack
Joined: 16 Jun 2003
Posts: 12814
Location: State of Jefferson, USA
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JardaXor
Joined: 16 Aug 2012
Posts: 204
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| Posted: Sun Sep 09, 2012 11:36 am Post subject: |
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Sorry for bad photos - are cut from big picture.
IC's are not cleanet yet... |
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JardaXor
Joined: 16 Aug 2012
Posts: 204
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| Posted: Sun Sep 09, 2012 12:14 pm Post subject: |
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JardaXor
Joined: 16 Aug 2012
Posts: 204
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| Posted: Tue Sep 11, 2012 2:12 pm Post subject: |
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| New arrivals... |
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silice
Joined: 03 Mar 2009
Posts: 2062
Location: France
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| Posted: Tue Sep 11, 2012 2:21 pm Post subject: |
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Hi
Like a lot your AMI s9900  |
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JardaXor
Joined: 16 Aug 2012
Posts: 204
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| Posted: Tue Sep 11, 2012 2:59 pm Post subject: |
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But the chips are unknown for me - what are the numbers?
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JardaXor
Joined: 16 Aug 2012
Posts: 204
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| Posted: Mon Sep 17, 2012 8:50 am Post subject: |
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| Newest chips - but most of them will be for sale... |
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CPUShack
Joined: 16 Jun 2003
Posts: 12814
Location: State of Jefferson, USA
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| Posted: Tue Sep 18, 2012 1:49 am Post subject: |
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Here is a rarity.
National Semiconductor MM57109 One of the first members of the COP400 family. the 57109 is called by National a Number Oriented Processor. Its essentially a FPU/Calculator chip with CPU like functions (though in reality its best described as a co-processor.
Its closest analog at the time was the AMD AM9511
_________________
***I Aim to Misbehave.***
Some where out there . There's a bullet with your name on it .....
Trick is, to die of old age before it finds you.
Visit The CPU Shack of microprocessor history and information. |
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alexander
Joined: 08 Aug 2007
Posts: 73
Location: Strasbourg France
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| Posted: Tue Sep 18, 2012 3:44 am Post subject: |
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Another NS rarity ?
The COP402 is a bond out version of the COP420 for development purposes !
Last edited by alexander on Wed Sep 19, 2012 2:18 am; edited 1 time in total |
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CPUShack
Joined: 16 Jun 2003
Posts: 12814
Location: State of Jefferson, USA
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iguana
Joined: 24 Apr 2007
Posts: 1776
Location: Canada
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| Posted: Thu Oct 11, 2012 3:58 am Post subject: |
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Four diff SX930
(if the place of ® is a real difference  )
Timeline is at least from 85y08w to 87y20w
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Soviet chips info and my own collection: www.cpu-ukraine.com |
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yy2013
Joined: 12 Sep 2009
Posts: 259
Location: Nagoya, Japan
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| Posted: Thu Oct 18, 2012 9:34 pm Post subject: |
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I got this chip recently.
From the part number, it seems to be an 8-bit microprocessor/microcontroller, but I was not able to find a datasheet. Does anybody have information on this chip?
Thanks,
yy2013 |
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CPUShack
Joined: 16 Jun 2003
Posts: 12814
Location: State of Jefferson, USA
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| Posted: Thu Oct 18, 2012 10:48 pm Post subject: |
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Very cool, markings are like a IMP-16, so maybe similar?
_________________
***I Aim to Misbehave.***
Some where out there . There's a bullet with your name on it .....
Trick is, to die of old age before it finds you.
Visit The CPU Shack of microprocessor history and information. |
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