yosys/tests/liberty/busdef.lib

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/********************************************/
/* */
/* Supergate cell library for Bench marking */
/* */
/* Symbiotic EDA GmbH / Moseley Instruments */
/* Niels A. Moseley */
/* */
/* Process: none */
/* */
/* Date : 02-11-2018 */
/* Version: 1.0 */
/* */
/********************************************/
library(supergate) {
technology (cmos);
revision : 1.0;
time_unit : "1ps";
pulling_resistance_unit : "1kohm";
voltage_unit : "1V";
current_unit : "1uA";
capacitive_load_unit(1,ff);
default_inout_pin_cap : 7.0;
default_input_pin_cap : 7.0;
default_output_pin_cap : 0.0;
default_fanout_load : 1.0;
default_wire_load_capacitance : 0.1;
default_wire_load_resistance : 1.0e-3;
default_wire_load_area : 0.0;
nom_process : 1.0;
nom_temperature : 25.0;
nom_voltage : 1.2;
delay_model : generic_cmos;
type( IO_bus_3_to_0 ) {
base_type : array ;
data_type : bit ;
bit_width : 4;
bit_from : 3 ;
bit_to : 0 ;
downto : true ;
}
cell (SRAM) {
area : 1 ;
memory() {
type : ram;
address_width : 4;
word_width : 4;
}
pin(CE1) {
direction : input;
capacitance : 0.021;
max_transition : 1.024;
switch_pin : true;
}
bus(I1) {
bus_type : IO_bus_3_to_0 ;
direction : input;
pin (I1[3:0]) {
timing() {
related_pin : "CE1" ;
timing_type : setup_rising ;
rise_constraint (scalar) {
values("0.0507786");
}
fall_constraint (scalar) {
values("0.0507786");
}
}
}
}
}
} /* end */