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