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 behaviour_data_flow 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;