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#65a Memory Module (RAM + ROM)


Design based on the work done by Sergey Kiselev and Scott M. Baker

Description


  • RAM 512kb
  • ROM 512k
  • 51 x 102 mm
  • RC40 bus connector

Components

  • PCB - 65a
  • DIP-32 socket (2x)
  • DIP-16 socket (4x)
  • DIP-14 socket (3x)
  • RAM AS6C4008 (512kb)
  • ROM SST39SF040 (512kb)
  • 74HCT138
  • 74HCT139
  • 74HCT670 (2x)
  • 74HCT74
  • 100nF capacitors (7x)
  • 10k resitor packs / 5pins (2x)
  • pins and jumpers
  • 1x40 pin angled male connector

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Supplied with ROMWBW in ROM
(c) ROMWBW by Wayne Warten

  • Z80 systems, the RCZ80nat version
  • Z180 systems, the RCZ180ext version