diff options
Diffstat (limited to 'examples/cmos/cmos_cells.sp')
| -rw-r--r-- | examples/cmos/cmos_cells.sp | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/examples/cmos/cmos_cells.sp b/examples/cmos/cmos_cells.sp new file mode 100644 index 000000000..673b20d08 --- /dev/null +++ b/examples/cmos/cmos_cells.sp @@ -0,0 +1,39 @@ + +.SUBCKT BUF A Y +X1 A B NOT +X2 B Y NOT +.ENDS NOT + +.SUBCKT NOT A Y +M1 Y A Vdd Vdd cmosp L=1u W=10u +M2 Y A Vss Vss cmosn L=1u W=10u +.ENDS NOT + +.SUBCKT NAND A B Y +M1 Y A Vdd Vdd cmosp L=1u W=10u +M2 Y B Vdd Vdd cmosp L=1u W=10u +M3 Y A M34 Vss cmosn L=1u W=10u +M4 M34 B Vss Vss cmosn L=1u W=10u +.ENDS NAND + +.SUBCKT NOR A B Y +M1 Y A M12 Vdd cmosp L=1u W=10u +M2 M12 B Vdd Vdd cmosp L=1u W=10u +M3 Y A Vss Vss cmosn L=1u W=10u +M4 Y B Vss Vss cmosn L=1u W=10u +.ENDS NOR + +.SUBCKT DLATCH E D Q +X1 D E S NAND +X2 nD E R NAND +X3 S nQ Q NAND +X4 Q R nQ NAND +X5 D nD NOT +.ENDS DLATCH + +.SUBCKT DFF C D Q +X1 nC D t DLATCH +X2 C t Q DLATCH +X3 C nC NOT +.ENDS DFF + |