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Text File  |  1989-02-18  |  194b  |  17 lines
  1. ; dual 4-input positive-nand gates
  2. chip type=ttl7420 pins=14 horizontal=2 vertical=6
  3.     vcc=14
  4.     gnd=7
  5.     a1=1
  6.     b1=2
  7.     nc1=3
  8.     c1=4
  9.     d1=5
  10.     y1=6
  11.     y2=8
  12.     a2=9
  13.     b2=10
  14.     nc2=11
  15.     c2=12
  16.     d2=13
  17.