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wepwawet

Joined: 18 Mar 2004 Posts: 3019 Location: Seligenstadt - Germany
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Posted: Sun Apr 13, 2008 3:35 pm Post subject: R6500IEAB3 - a two die + piggypack chip |
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Just because its so strange - as I got two of it in a scrap bunch with missing pins I cracked one's dies.
Unfortunately I have no microscope camera...
are there more chips with two dies and a piggypack eprom socket? |
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doccybrown

Joined: 03 Oct 2005 Posts: 1736 Location: Germany
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Posted: Mon Apr 14, 2008 4:27 pm Post subject: |
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Interesting!
Don`t throw this spart away,
I think William Blair could
take great pictures! _________________ Ordem e Progresso |
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Wizzard1

Joined: 05 Nov 2006 Posts: 930 Location: Boston MA USA
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Posted: Mon Apr 14, 2008 4:35 pm Post subject: |
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| Thats really neat. What is the purpose of the small die? |
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wepwawet

Joined: 18 Mar 2004 Posts: 3019 Location: Seligenstadt - Germany
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Posted: Tue Apr 15, 2008 7:33 am Post subject: |
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I misread the 1 for an I
this is what I found:
8-Bit Microprocessor - 6800 bus compatible
Min Instruction Length (bits)=8
Max Instruction Length (bits)=24
Memory Addressing Range=4k
Number of Addressing Modes=13
Number of Maskable Interrupts=1
No. of Non-Maskable Interrupts=1
Vsup Nom.(V) Supply Voltage=5.0
Package=DIP
Pins=40
Military=N
Technology=NMOS
unfortunately nothing about the second die.
btw, nine connectors. _________________ You may use the photos I have posted here under CC BY-NC-SA license. |
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