Simple framework for physical chip design (place & route) based on KLayout.
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/* test comment */
library(demo) {
cell(BUF) {
area: 6;
pin(A) { direction: input; }
pin(Y) { direction: output;
function: "A"; }
}
cell(NOT) {
area: 3;
pin(A) { direction: input; }
pin(Y) { direction: output;
function: "A'"; }
}
cell(NAND) {
area: 4;
pin(A) { direction: input; }
pin(B) { direction: input; }
pin(Y) { direction: output;
function: "(A*B)'"; }
}
cell(NOR) {
area: 4;
pin(A) { direction: input; }
pin(B) { direction: input; }
pin(Y) { direction: output;
function: "(A+B)'"; }
}
cell(AND) {
area: 6;
pin(A) { direction: input; }
pin(B) { direction: input; }
pin(Y) { direction: output;
function: "(A*B)"; }
}
cell(OR) {
area: 6;
pin(A) { direction: input; }
pin(B) { direction: input; }
pin(Y) { direction: output;
function: "(A+B)"; }
}
cell(XOR) {
area: 4;
pin(A) { direction: input; }
pin(B) { direction: input; }
pin(Y) { direction: output;
function: "(A^B)"; }
}
cell(DFF) {
area: 18;
ff(IQ, IQN) { clocked_on: C;
next_state: D; }
pin(C) { direction: input;
clock: true; }
pin(D) { direction: input; }
pin(Q) { direction: output;
function: "IQ"; }
}
cell(DFFSR) {
area: 18;
ff("IQ", "IQN") { clocked_on: C;
next_state: D;
preset: S;
clear: R; }
pin(C) { direction: input;
clock: true; }
pin(D) { direction: input; }
pin(Q) { direction: output;
function: "IQ"; }
pin(S) { direction: input; }
pin(R) { direction: input; }
}
}