ENTITY on12_x1 IS GENERIC ( CONSTANT area : NATURAL := 1250; CONSTANT cin_i0 : NATURAL := 11; CONSTANT cin_i1 : NATURAL := 9; CONSTANT rdown_i0_q : NATURAL := 2850; CONSTANT rdown_i1_q : NATURAL := 2850; CONSTANT rup_i0_q : NATURAL := 3720; CONSTANT rup_i1_q : NATURAL := 3720; CONSTANT tphl_i0_q : NATURAL := 111; CONSTANT tplh_i0_q : NATURAL := 234; CONSTANT tpll_i1_q : NATURAL := 291; CONSTANT tphh_i1_q : NATURAL := 314; CONSTANT transistors : NATURAL := 6 ); PORT ( i0 : in BIT; i1 : in BIT; q : out BIT; vdd : in BIT; vss : in BIT ); END on12_x1; ARCHITECTURE behaviour_data_flow OF on12_x1 IS BEGIN ASSERT ((vdd and not (vss)) = '1') REPORT "power supply is missing on on12_x1" SEVERITY WARNING; q <= (not (i0) or i1) after 900 ps; END;