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Banked ZIFF-ROM RAM designed for RC2014 Rev B

2 years ago 579
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Banked EPROM RAM Board

  • EPROM can be enabled/disabled with write to register
  • EPROM occupies first 16K of address space
  • First or Second bank of 16K in EPROM can be selected
  • Modified to use ZIFF Socket


Banked ROM RAM Rev B

Banked ROM RAM Rev B - REV A


ID Name Designator Footprint Quantity Mounted
1 27C256 U1 DIL28-6-ZIF_SOCKET 1 Yes
2 Addr Select P3 HDR-8X2/2.54 1 Yes C68234
3 628128P U2 DIP-32-600-ELL 1 Yes
4 74ALS259N U6 DIP-16-300-ELL 1 Yes
5 100nF C2,C3,C4,C5,C6 RAD-0.1 5 Yes C46756
6 74ALS138N U5 DIP-16-300-ELL 1 Yes
7 RC2014 Backplane P1 HDR-2.54-FX-1X38PW 1 Yes C74252
8 OUTPUTS HDR P2 SIP-4 1 Yes C59481
9 74ALS32N U4,U3 DIP-14-300-ELL 2 Yes


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