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CPUShack

Joined: 16 Jun 2003 Posts: 34259 Location: State of Jefferson, USA
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Posted: Thu Jan 23, 2020 3:57 pm Post subject: CPU Shack: National COP420 4-bit MCUs - SOLD OUT |
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These are the original COP400 4-bit NMOS MCUs.
They are a 4-bit processor with 49 instructions.
THese are NOS an in the nice glossy PDIP package
3x National Semi. COP420-JLA/N $4 _________________ New for 2025! The CPU Shack has a co-processor!
Visit The CPU Shack of microprocessor history and information.
Last edited by CPUShack on Sun Jan 26, 2020 2:32 am; edited 2 times in total |
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stevejam

Joined: 30 Dec 2017 Posts: 803 Location: Metaluna aka Bellevue WA
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Posted: Thu Jan 23, 2020 4:29 pm Post subject: |
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| One please! |
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Qwerty

Joined: 20 May 2005 Posts: 3141 Location: Germany
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Posted: Thu Jan 23, 2020 11:30 pm Post subject: |
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| I'll take one. Thanks! |
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CPUShack

Joined: 16 Jun 2003 Posts: 34259 Location: State of Jefferson, USA
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davids
Joined: 05 Jul 2013 Posts: 78 Location: United States
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Posted: Sat Jan 25, 2020 11:02 pm Post subject: |
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| 1 please |
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