---
layout: page
title: Challenger 1P Datasheets
permalink: /pubs/c1p/datasheets/
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Challenger 1P Datasheets
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[<img src="http://archive.pcjs.org/pubs/c1p/datasheets/thumbs/MC6820-thumb.jpg" width="200" height="260" alt="MC6820"/>](http://archive.pcjs.org/pubs/c1p/datasheets/pdfs/MC6820.pdf)
[<img src="http://archive.pcjs.org/pubs/c1p/datasheets/thumbs/MC6821-thumb.jpg" width="200" height="260" alt="MC6821"/>](http://archive.pcjs.org/pubs/c1p/datasheets/pdfs/MC6821.pdf)
[<img src="http://archive.pcjs.org/pubs/c1p/datasheets/thumbs/MC6850-thumb.jpg" width="200" height="260" alt="MC6850"/>](http://archive.pcjs.org/pubs/c1p/datasheets/pdfs/MC6850.pdf)