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CPUShack

Joined: 16 Jun 2003 Posts: 34259 Location: State of Jefferson, USA
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Posted: Mon Oct 29, 2018 6:52 pm Post subject: CPU Shack: Signetics 80C451B Engineering Samples |
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These are a very uncommon I/O expanded version of the 8051 They have 6 8-bit and 1 4-bit I/O port, and are made in a massive PDIP64 package.
These are very early, 1986, and are Engineering Samples
10x Signetics 80C451B SAMPLE $10 each _________________ New for 2025! The CPU Shack has a co-processor!
Visit The CPU Shack of microprocessor history and information. |
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aberco

Joined: 05 Sep 2013 Posts: 2655 Location: Paris France
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Posted: Mon Oct 29, 2018 7:03 pm Post subject: |
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| One for me please |
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stevejam

Joined: 30 Dec 2017 Posts: 803 Location: Metaluna aka Bellevue WA
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Posted: Mon Oct 29, 2018 9:13 pm Post subject: |
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| One please! |
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cvandijk
Joined: 21 Jul 2016 Posts: 3589 Location: Netherlands
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Posted: Mon Oct 29, 2018 10:51 pm Post subject: |
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| 1 for me, thanks |
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CPUShack

Joined: 16 Jun 2003 Posts: 34259 Location: State of Jefferson, USA
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