mirror of https://github.com/YosysHQ/yosys.git
47 lines
1.1 KiB
Plaintext
47 lines
1.1 KiB
Plaintext
library(demo) {
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cell(NOT) {
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area: 3;
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pin(A) { direction: input; }
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pin(Y) { direction: output;
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function: "A'"; }
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}
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cell(NAND) {
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area: 4;
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pin(A) { direction: input; }
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pin(B) { direction: input; }
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pin(Y) { direction: output;
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function: "(A*B)'"; }
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}
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cell(NOR) {
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area: 4;
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pin(A) { direction: input; }
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pin(B) { direction: input; }
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pin(Y) { direction: output;
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function: "(A+B)'"; }
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}
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cell(DFF) {
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area: 18;
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ff(IQ, IQN) { clocked_on: C;
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next_state: D; }
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pin(C) { direction: input;
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clock: true; }
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pin(D) { direction: input; }
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pin(Q) { direction: output;
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function: "IQ"; }
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}
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cell(DFFSR) {
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area: 18;
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ff(IQ, IQN) { clocked_on: C;
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next_state: D;
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preset: S;
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clear: R; }
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pin(C) { direction: input;
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clock: true; }
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pin(D) { direction: input; }
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pin(Q) { direction: output;
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function: "IQ"; }
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pin(S) { direction: input; }
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pin(R) { direction: input; }
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}
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}
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