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1 module not_switch (out, in);
2 output out;
3 input in;
4
5 supply1 power;
6 supply0 ground;
7
8 pmos (out, power, in);
9 nmos (out, ground, in);
10
11 endmodule
12
13 module d_latch_switch(clk,d,q);
14 input clk,d;
15 output q;
16
17 wire clkn, net1, qn;
18
19 not_switch i1 (clkn,clk);
20
21 pmos p1 (d,q,clkn);
22 nmos n1 (d,q,clk);
23
24 pmos p2 (q,net1,clk);
25 nmos n2 (q,net1,clkn);
26
27 not_switch i2 (qn,q);
28 not_switch i3 (net1,qn);
29
30 endmodule
You could download file d_latch_switch.v here
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