Changes between Initial Version and Version 1 of Mux2Vbe

Timestamp:

Apr 8, 2007, 2:04:52 PM (17 years ago)

Author:

alain

Comment:

--

Mux2Vbe

@@ +1 @@
+{{{
+ENTITY mx2_x2 IS
+GENERIC (
+  CONSTANT area          : NATURAL := 2250;
+  CONSTANT cin_cmd       : NATURAL := 17;
+  CONSTANT cin_i0        : NATURAL := 8;
+  CONSTANT cin_i1        : NATURAL := 9;
+  CONSTANT rdown_cmd_q   : NATURAL := 1620;
+  CONSTANT rdown_i0_q    : NATURAL := 1620;
+  CONSTANT rdown_i1_q    : NATURAL := 1620;
+  CONSTANT rup_cmd_q     : NATURAL := 1790;
+  CONSTANT rup_i0_q      : NATURAL := 1790;
+  CONSTANT rup_i1_q      : NATURAL := 1790;
+  CONSTANT tphh_i0_q     : NATURAL := 451;
+  CONSTANT tphh_i1_q     : NATURAL := 451;
+  CONSTANT tpll_i0_q     : NATURAL := 469;
+  CONSTANT tpll_i1_q     : NATURAL := 469;
+  CONSTANT tphh_cmd_q    : NATURAL := 484;
+  CONSTANT tphl_cmd_q    : NATURAL := 485;
+  CONSTANT tpll_cmd_q    : NATURAL := 522;
+  CONSTANT tplh_cmd_q    : NATURAL := 534;
+  CONSTANT transistors   : NATURAL := 12
+);
+PORT (
+  cmd    : IN  BIT;
+  i0     : IN  BIT;
+  i1     : IN  BIT;
+  q      : OUT BIT;
+  vdd    : IN  BIT;
+  vss    : IN  BIT
+);
+END mx2_x2;
+
+ARCHITECTURE vbe OF mx2_x2 IS
+
+BEGIN
+  ASSERT ((vdd and not (vss)) = '1')
+  REPORT "power supply is missing on mx2_x2"
+  SEVERITY WARNING;
+  q <= ((i1 AND cmd) OR (NOT (cmd) AND i0)) AFTER 1100 ps;
+END;
+}}}