| 1 | ENTITY mx2_x2 IS
|
|---|
| 2 | GENERIC (
|
|---|
| 3 | CONSTANT area : NATURAL := 2250;
|
|---|
| 4 | CONSTANT cin_cmd : NATURAL := 17;
|
|---|
| 5 | CONSTANT cin_i0 : NATURAL := 8;
|
|---|
| 6 | CONSTANT cin_i1 : NATURAL := 9;
|
|---|
| 7 | CONSTANT rdown_cmd_q : NATURAL := 1620;
|
|---|
| 8 | CONSTANT rdown_i0_q : NATURAL := 1620;
|
|---|
| 9 | CONSTANT rdown_i1_q : NATURAL := 1620;
|
|---|
| 10 | CONSTANT rup_cmd_q : NATURAL := 1790;
|
|---|
| 11 | CONSTANT rup_i0_q : NATURAL := 1790;
|
|---|
| 12 | CONSTANT rup_i1_q : NATURAL := 1790;
|
|---|
| 13 | CONSTANT tphh_i0_q : NATURAL := 451;
|
|---|
| 14 | CONSTANT tphh_i1_q : NATURAL := 451;
|
|---|
| 15 | CONSTANT tpll_i0_q : NATURAL := 469;
|
|---|
| 16 | CONSTANT tpll_i1_q : NATURAL := 469;
|
|---|
| 17 | CONSTANT tphh_cmd_q : NATURAL := 484;
|
|---|
| 18 | CONSTANT tphl_cmd_q : NATURAL := 485;
|
|---|
| 19 | CONSTANT tpll_cmd_q : NATURAL := 522;
|
|---|
| 20 | CONSTANT tplh_cmd_q : NATURAL := 534;
|
|---|
| 21 | CONSTANT transistors : NATURAL := 12
|
|---|
| 22 | );
|
|---|
| 23 | PORT (
|
|---|
| 24 | cmd : in BIT;
|
|---|
| 25 | i0 : in BIT;
|
|---|
| 26 | i1 : in BIT;
|
|---|
| 27 | q : out BIT;
|
|---|
| 28 | vdd : in BIT;
|
|---|
| 29 | vss : in BIT
|
|---|
| 30 | );
|
|---|
| 31 | END mx2_x2;
|
|---|
| 32 |
|
|---|
| 33 | ARCHITECTURE behaviour_data_flow OF mx2_x2 IS
|
|---|
| 34 |
|
|---|
| 35 | BEGIN
|
|---|
| 36 | ASSERT ((vdd and not (vss)) = '1')
|
|---|
| 37 | REPORT "power supply is missing on mx2_x2"
|
|---|
| 38 | SEVERITY WARNING;
|
|---|
| 39 | q <= ((i1 and cmd) or (not (cmd) and i0)) after 1100 ps;
|
|---|
| 40 | END;
|
|---|
