manual/PRESENTATION_ExSyn/abc_01_cells.lib

   1 // test comment
   2 /* test comment */
   3 library(demo) {
   4   cell(BUF) {
   5     area: 6;
   6     pin(A) { direction: input; }
   7     pin(Y) { direction: output;
   8               function: "A"; }
   9   }
  10   cell(NOT) {
  11     area: 3;
  12     pin(A) { direction: input; }
  13     pin(Y) { direction: output;
  14               function: "A'"; }
  15   }
  16   cell(NAND) {
  17     area: 4;
  18     pin(A) { direction: input; }
  19     pin(B) { direction: input; }
  20     pin(Y) { direction: output;
  21              function: "(A*B)'"; }
  22   }
  23   cell(NOR) {
  24     area: 4;
  25     pin(A) { direction: input; }
  26     pin(B) { direction: input; }
  27     pin(Y) { direction: output;
  28              function: "(A+B)'"; }
  29   }
  30   cell(DFF) {
  31     area: 18;
  32     ff(IQ, IQN) { clocked_on: C;
  33                   next_state: D; }
  34     pin(C) { direction: input;
  35                  clock: true; }
  36     pin(D) { direction: input; }
  37     pin(Q) { direction: output;
  38               function: "IQ"; }
  39   }
  40   cell(DFFSR) {
  41     area: 18;
  42     ff(IQ, IQN) { clocked_on: C;
  43                   next_state: D;
  44                       preset: S;
  45                        clear: R; }
  46     pin(C) { direction: input;
  47                  clock: true; }
  48     pin(D) { direction: input; }
  49     pin(Q) { direction: output;
  50               function: "IQ"; }
  51     pin(S) { direction: input; }
  52     pin(R) { direction: input; }
  53   }
  54 }