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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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 Posted: Tue Aug 02, 2011 2:35 am Post subject: |
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| jrmunro wrote: | | Very nice find John |
yah was very happy with it, especially since its an entire new manufacturer of CPU I didnt know/have before.
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yy2013
Joined: 12 Sep 2009
Posts: 739
Location: Nagoya, Japan
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| Posted: Wed Aug 03, 2011 12:31 am Post subject: |
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Hi,
> Been a while so figured I would wake up this thread as I know a few members have acquired some new 1750A processors (yy2013 comes to mind lol)
I found a P1750A-20CMBX processor by chance several months ago.
It is in a shrink 64 pin DIP. I'm also looking for a flatpack version of this chip.
yy2013 |
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CPUShack
Joined: 16 Jun 2003
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Location: State of Jefferson, USA
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kosmokrator
Joined: 03 Jul 2008
Posts: 4085
Location: Athens-GR
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| Posted: Wed Aug 03, 2011 2:24 am Post subject: |
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| Lovely!!!!! |
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magictom
Joined: 14 May 2009
Posts: 2281
Location: Hawaii
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| Posted: Wed Aug 03, 2011 3:48 am Post subject: |
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| CPUShack wrote: | Been a while so figured I would wake up this thread as I know a few members have acquired some new 1750A processors (yy2013 comes to mind lol)
I too have found another of these very rare and cool CPUs.
This is a Bendix (they were/are owned by Allied) BX1750A-1A MIL-STD-1750A 16bit processor made in 1990. |
Wow, Bendix was still around in 1990? They made some early power transistors in the 1950s, and I thought they had gone out of business a long time ago ! |
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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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| Posted: Wed Aug 03, 2011 4:41 am Post subject: |
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| magictom wrote: | | CPUShack wrote: | Been a while so figured I would wake up this thread as I know a few members have acquired some new 1750A processors (yy2013 comes to mind lol)
I too have found another of these very rare and cool CPUs.
This is a Bendix (they were/are owned by Allied) BX1750A-1A MIL-STD-1750A 16bit processor made in 1990. |
Wow, Bendix was still around in 1990? They made some early power transistors in the 1950s, and I thought they had gone out of business a long time ago ! |
They were bought (really rescued lol) by Allied in 1983 but still used the Bendix name.
Allied bought Signal in 1985 and in 1993 changed their name to AlliedSignal, and then when they bought Honeywell in 1999 they assumed that name, so 1750s should still be made by Honeywell now.
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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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| Posted: Wed Oct 03, 2012 12:34 am Post subject: |
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Might as well revive this thread, since a few new ones of these have shown up
Here is the Fairchild commercial version of the 1750A
1 10MHz F9450 and a 15MHz F9450-15DC (also made was a 20MHz)
These are of course, Bipolar, and used a Beryllium oxide package
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