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Diffstat (limited to 'data/cells_cmos.v')
-rw-r--r-- | data/cells_cmos.v | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/data/cells_cmos.v b/data/cells_cmos.v new file mode 100644 index 0000000..b33ffef --- /dev/null +++ b/data/cells_cmos.v @@ -0,0 +1,38 @@ + +module NOT(A, Y); +input A; +output Y; +assign Y = ~A; +endmodule + +module NAND(A, B, Y); +input A, B; +output Y; +assign Y = ~(A & B); +endmodule + +module NOR(A, B, Y); +input A, B; +output Y; +assign Y = ~(A | B); +endmodule + +module DFF(C, D, Q); +input C, D; +output reg Q; +always @(posedge C) + Q <= D; +endmodule + +module DFFSR(C, D, Q, S, R); +input C, D, S, R; +output reg Q; +always @(posedge C, posedge S, posedge R) + if (S) + Q <= 1'b1; + else if (R) + Q <= 1'b0; + else + Q <= D; +endmodule + |