DDI-1DR Disk Controller

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Revision as of 21:54, 6 December 2014 by Robcfg (talk | contribs) (Created page and added pictures and datasheets)
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Description

A DragonDOS compatible disk controller by P.N.P. Communications.

DDI-1DR Interface Pictures

  • Casing Top

  • Casing Bottom

  • PCB Top

  • Advertisement

IC Parts Lists

DDI-1DR Board IC list (with Datasheets)

Part Number Description Datasheet
2764 8Kb EPROM (pdf)
7407 Hex Buffers with High Voltage Open-Collector Outputs (pdf)
SN74LS00N Quad 2-input positive-NAND gates (pdf)
SN74LS73N Dual JK negative edge-triggered flip-flop (pdf)
SN74LS139AN Dual 2-line to 4-line decoders / demultiplexers (pdf)
SN74LS273N Octal D Flip-Flop with clear (pdf)


ROM

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