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- Dictionarylib·er·ate/ˈlibəˌrāt/
verb
- 1. set (someone) free from a situation, especially imprisonment or slavery, in which their liberty is severely restricted: "the serfs had been liberated"
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2. the template you created in "1" should have all arcs. in any case, when -user_arcs is used, Liberate should also characterize hidden arcs; 3. if you want liberate to do an fully automated characterisation without a template, you can use define_arc -ignore -pin Z -related_pin E -pin_dr <R or F> -related_pin_dir <R or F> cellname to exclude an ...
Apr 13, 2022 · In order to do this, I must define the HBT as a leafcell. An HBT is a subset of BJTs and as such would be characterized as an npn device, but the HBT models we are using have a fourth contact for the substrate.
May 18, 2021 · [ Liberate ] Cells do not have -extsim_model parameter specified in define_leafcell command iamKarthikBK over 3 years ago I am trying to characterize a standard cell library, but liberate gives me the following errors.
Feb 10, 2020 · Liberate MX Standard Custom Flow Watch this video to know more about how to examine the input files and run define_memory for the Liberate MX standard custom flow. The video also shows how to examine the output files including the .lib file created for the instance. Outputs of the define_memory Flow
May 13, 2019 · The LIBERATE 19.2 production release is now available for download at Cadence Downloads. For information about supported platforms, compatibility with other Cadence tools, and details of key issues resolved in the LIBERATE 19.2 release, see the README.txt file. At the time of publishing, the link above was functional.
Oct 7, 2019 · 1. please read the article with the link I sent you. you need to define "input_signal_level" attribute for level shifter. 2. please do spice simulation, and check the waveform/level. Cancel
Feb 2, 2024 · However in the generated template file the define cell function doesnot contain any inputs/outputs. define_cell \ -delay delay_template1_3x3 \ -power power_template1_3x3 \ customCell. and I have only define_leakage commands and no define_ arc. I do not understand what is wrong in my truth table to have this result. Maybe you can help with this ?
It's clear, if I write for each class of cells, having the same inputs / outputs, a separate define_cell, then this issue does not occur. There is an example of generating automatically template in the page 48 to 50 of 'Virtuoso Liberate Reference Maual', Version 18.1, section 'TCL Command File'.
This cell is now marked as failed and should not be used. Modify your define_arc command and rerun. ERROR (LIB-304): (char_library): Constraint search for arc BALLOON_SIM, CK, r, NRESTORE, f, hold_rising fall_constraint (!D * !SAVE) probe=Q failed. This cell is now marked as failed and should not be used. Modify your define_arc command and rerun.
Jun 5, 2018 · For the characterization of a standard cell library, I am using LIBERATE_15.14.070 version. The cell spice model was generated using IC6.1.5, and I am using Spectre as the external simulator for the characterization. I have a question specifically on the leakage_power nodes of the .lib file generated by Liberate.
