distrib/share/gns_templates/column_and_prech.vhd

   1 --
   2 -- Template column_and_prech
   3 -- Recognition rule
   4 --
   5 entity column_and_prech is
   6    generic  ( capacity              : integer);
   7    port     ( q, nq                 : inout mux_bit bus;
   8               com                   : in    bit_vector(capacity-1 downto 0);
   9               ck                    : in    bit;
  10               vdd, vss              : in    bit);
  11    -- pragma symmetric q nq
  12    -- pragma symmetric com
  13 end;
  14
  15 architecture structural of column_and_prech is
  16     component column
  17        generic  ( capacity          : integer);
  18        port     ( q, nq             : inout mux_bit bus;
  19                   com               : in    bit_vector(capacity-1 downto 0);
  20                   vdd, vss          : in    bit);
  21     end component;
  22
  23     component TN
  24        port     ( gate              : in    bit;
  25                   source, drain     : inout bit;
  26                   bulk              : in    bit);
  27     end component;
  28
  29 begin
  30
  31     col : column
  32         generic map(capacity)
  33         port map (q     ,nq     ,com    ,vdd    ,vss);
  34
  35     precharge_t1 : TN port map (ck, nq, vdd, vss);
  36     precharge_t2 : TN port map (ck, q, vdd, vss);
  37     precharge_t3 : TN port map (ck, q, nq, vss);
  38
  39 end;