Binary to Octal/Decimal Decoder
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<LI><b>M161</b> is a version of revision C with design rules more suited to milling individual PCBs.</LI>
<LI><b>M161C</b> is a drawing of DEC's M161C.</LI>
<LI><b>M161X</b> is a 'modernized' M161.</LI></UL>
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