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/*
Test case for https://www.reddit.com/r/yosys/comments/b5texg/yosys_fails_to_parse_apparentlycorrect_liberty/
fall_constraint (SETUP_HOLD) formatting.
*/
library(supergate) {
technology (cmos);
revision : 1.0;
cell (DFF) {
cell_footprint : dff;
area : 50;
pin(D) {
direction : input;
capacitance : 0.002;
timing() {
related_pin : "CK";
timing_type : setup_rising;
fall_constraint (SETUP_HOLD) { values ("0.4000, 0.3000, 0.2000, 0.1000, 0.0000", \
"0.4000, 0.3000, 0.2000, 0.1000, 0.000", \
"0.5000, 0.4000, 0.3000, 0.2000, 0.0000", \
"0.7000, 0.6000, 0.5000, 0.4000, 0.2000", \
"1.0000, 1.0000, 0.9000, 0.8000, 0.6000"); };
}
}
pin(CK) {
direction : input;
clock : true;
capacitance : 0.00290;
}
ff(IQ,IQN) {
clocked_on : "CK";
next_state : "D";
}
pin(Q) {
direction : output;
capacitance : 0.003;
max_capacitance : 0.3;
}
cell_leakage_power : 0.3;
}
}
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