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Prepare for ngspice-45

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Holger Vogt 2025-08-29 15:50:25 +02:00
parent 86ea9fee8a
commit d61a1e4090
5 changed files with 38 additions and 28 deletions
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3
AUTHORS
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@ -38,6 +38,7 @@ Min-Chie Jeng,
Beorn Johnson, Beorn Johnson,
Stefan Jones, Stefan Jones,
Kenneth H. Keller, Kenneth H. Keller,
Vadim Kuznetsov,
Francesco Lannutti, Francesco Lannutti,
Robert Larice, Robert Larice,
Mathew Lew, Mathew Lew,
@ -61,12 +62,14 @@ Jean-Marc Routure,
Jaijeet S. Roychowdhury, Jaijeet S. Roychowdhury,
Lionel Sainte Cluque, Lionel Sainte Cluque,
Takayasu Sakurai, Takayasu Sakurai,
Carsten Schoenert,
AMAKAWA Shuhei, AMAKAWA Shuhei,
Kanwar Jit Singh, Kanwar Jit Singh,
Bill Swartz, Bill Swartz,
Hitoshi Tanaka, Hitoshi Tanaka,
Brian Taylor, Brian Taylor,
Steve Tell, Steve Tell,
Linus Torvalds,
Andrew Tuckey, Andrew Tuckey,
Robert Turnbull, Robert Turnbull,
Andreas Unger, Andreas Unger,

6
COPYING
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@ -1,6 +1,6 @@
Ngspice Licensing Ngspice Licensing
Copyright (c) 2023 by ngspice team Copyright (c) 2025 by ngspice team
All rights reserved. All rights reserved.
license for this document: CC-BY-SA v4.0 license for this document: CC-BY-SA v4.0
@ -25,8 +25,8 @@ LGPLv2
* all files in ngspice/src/maths/sparse * all files in ngspice/src/maths/sparse
unnamed MIT license, compatible to New BSD unnamed MIT license, compatible to New BSD
ngspice/src/spicelib/devices/adms/admst * all files in ngspice/src/maths/KLU
LGPLv2.1 LGPLv2
* all files in ngspice/src/osdi * all files in ngspice/src/osdi
MPLv2.0 MPLv2.0

25
DEVICES
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@ -66,6 +66,7 @@ Table of contents
14. XSPICE code models 14. XSPICE code models
15. Digital Building Blocks (U instances) 15. Digital Building Blocks (U instances)
16. Digital Verilog Blocks compiled with Verilator or Icarus Verilog 16. Digital Verilog Blocks compiled with Verilator or Icarus Verilog
17. Digital VHDL Blocks compiled with GHDL
------------------ ------------------
@ -816,9 +817,9 @@ will be updated every time the device specific code is altered or changed to ref
13. Verilog-A models 13. Verilog-A models
ngspice inherits the OSDI interface for compiled Verilog-A models ngspice inherits the OSDI interface for compiled Verilog-A models
OpenVAF from https://openvaf.semimod.de/ is required to compile OpenVAF from https://fides.fe.uni-lj.si/openvaf/download/ is
LRM2.x-conforming Verilog-A models into shared libraries which required to compile LRM2.x-conforming Verilog-A models into
may be loaded into ngspice dynamically at run-time. shared libraries which may be loaded into ngspice dynamically at run-time.
The following models have been tested, example netlists are available: The following models have been tested, example netlists are available:
@ -830,24 +831,30 @@ will be updated every time the device specific code is altered or changed to ref
13.6 MEXTRAM 504/505 13.6 MEXTRAM 504/505
13.7 PSP 103.8 13.7 PSP 103.8
13.8 r2_cmc 13.8 r2_cmc
More models are available at https://github.com/dwarning/VA-Models, More models are available at https://github.com/dwarning/VA-Models,
user compiled models are possible as well (See ngspice manual, chapter 9). user compiled models are possible as well (See ngspice manual, chapter 9).
14. XSpice code models 14. XSpice code models
more than 100 models are available, digital, analog, and hybrid. more than 100 models are available, digital, analog, and hybrid.
Please see ngspice manual chapt. 8 Please see ngspice manual chapt. 8
15. Digital Building Blocks (U instances) 15. Digital Building Blocks (U instances)
U instances are digital primitives which may be used (in proper combination) to U instances are digital primitives which may be used (in proper combination) to
model digital devices, e.g. from the 74xx or 40xx families. ngspice maps them model digital devices, e.g. from the 74xx or 40xx families. ngspice maps them
onto XSPICE models, which allows a fast event based simulation. Please see the onto XSPICE models, which allows a fast event based simulation. Please see the
ngspice manual, chapter 10.1 and 10.2. ngspice manual, chapter 10.1 and 10.2.
16. Digital Verilog Blocks compiled with Verilator or Icarus Verilog 16. Digital Verilog Blocks compiled with Verilator or Icarus Verilog
Verilog digital code may be compiled into a shared library (*.dll, *.so) Verilog digital code may be compiled into a shared library (*.dll, *.so)
with Verilator or Icarus Verilog and then directly linked into ngspice via with Verilator or Icarus Verilog and then directly linked into ngspice via
the code model d_cosim. Please see the ngspice manual, chapter 10.3. the code model d_cosim. Please see the ngspice manual, chapter 10.3.1 or
10.3.2
17. Digital VHDL Blocks compiled with GHDL
VHDL digital code may be compiled into a shared library (*.dll, *.so)
with GHDL and then directly linked into ngspice via
the code model d_cosim. Please see the ngspice manual, chapter 10.3.3.

20
FAQ
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@ -1,7 +1,7 @@
Ngspice F.A.Q.Version 2.9 (ngspice-41 release) Ngspice F.A.Q.Version 2.9 (ngspice-45 release)
Maintained by Holger Vogt Maintained by Holger Vogt
Last update: Aug 11 2023 Last update: Aug 29 2025
This document contains the Frequently Asked Questions (and Answers) This document contains the Frequently Asked Questions (and Answers)
for ngspice project. for ngspice project.
@ -72,8 +72,8 @@
models. models.
- Xspice is an extension to Spice3 that provides code modeling support - Xspice is an extension to Spice3 that provides code modeling support
and simulation of digital components through an embedded event and simulation of analogue components and especially of digital
driven algorithm. components through an embedded event driven algorithm.
The NG prefix has lot of meanings: Next Generation, New (and) Good, etc. The NG prefix has lot of meanings: Next Generation, New (and) Good, etc.
Choose or invent the one you prefer. The heart of the project is the Choose or invent the one you prefer. The heart of the project is the
@ -90,13 +90,13 @@
1.3 What is tclspice ? 1.3 What is tclspice ?
Tclspice is a another interface option of ngspice, providing a tcl/tk Tclspice is a another interface option of ngspice, offering a tcl/tk
interface to the user. Tclspice is both a batch and interactive simulator interface to the user. Tclspice is both a batch and interactive simulator
and a building block for simulator applications. Analyses can be run and a building block for simulator applications. Analyses can be run
from a tcl script and vector plotted or post processed using tcl. A small from a tcl script and vector plotted or post processed using tcl. A small
GUI may be built by the user to analyze a circuit or a set of circuits. GUI may be built by the user to analyze a circuit or a set of circuits.
Tclspice is obtained compiling ngspice activating an additional option. Tclspice is obtained by compiling ngspice after activating an additional
This has not been used and tested for some time now. option. This feature has not been used and tested for some time now.
1.4 Why resurrecting Berkeley's Spice? 1.4 Why resurrecting Berkeley's Spice?
@ -107,7 +107,7 @@
free, it's available in source code and most of the electrical free, it's available in source code and most of the electrical
simulators inherited it's syntax. Spice3 is based on proven numerical simulators inherited it's syntax. Spice3 is based on proven numerical
algorithms (most commercial implementations have only strengthened algorithms (most commercial implementations have only strengthened
them), implements most of the models for MOSFET submicron design them), implements many of the models for MOSFET submicron design
and has a powerful set of analyses. The readily availability of and has a powerful set of analyses. The readily availability of
its source code in the past made this simulator the de-facto standard. its source code in the past made this simulator the de-facto standard.
@ -217,7 +217,7 @@
https://sourceforge.net/projects/ngspice/files/ng-spice-rework/ https://sourceforge.net/projects/ngspice/files/ng-spice-rework/
Nearly all distributions for MINGW, Cygwin, Linux, macOS and Nearly all OS distributions for MINGW, Cygwin, Linux, macOS and
others offer install-ready copies of ngspice. Please see others offer install-ready copies of ngspice. Please see
https://repology.org/project/ngspice/packages for packages https://repology.org/project/ngspice/packages for packages
available. available.
@ -256,7 +256,7 @@
The latest version released is: The latest version released is:
ngspice-44 (released on January 2 2025) ngspice-45 (released on August 31, 2025)
2.2. What are the latest features in the current release? 2.2. What are the latest features in the current release?

12
INSTALL
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@ -81,10 +81,10 @@ This file describes the procedures to install ngspice from sources.
For compiling ngspice as a shared library, see section 1.4. For compiling ngspice as a shared library, see section 1.4.
1.2 Install from tarball (e.g. ngspice-44.tar.gz) 1.2 Install from tarball (e.g. ngspice-45.tar.gz)
This covers installation from a release distribution (for example This covers installation from a release distribution (for example
ngspice-44.tar.gz, the so called tar ball). ngspice-45.tar.gz, the so called tar ball).
After downloading the tar ball to a local directory, unpack it by command: After downloading the tar ball to a local directory, unpack it by command:
@ -94,7 +94,7 @@ This file describes the procedures to install ngspice from sources.
INSTALL file can be found). INSTALL file can be found).
The most comfortable way to compile ngspice is running the compile script The most comfortable way to compile ngspice is running the compile script
compile_linux.sh within the terminal window by ./compile_linux_new.sh. The compile_linux.sh within the terminal window by ./compile_linux.sh. The
script has to be declared as 'executable', and admin script has to be declared as 'executable', and admin
rights are required to allow the installation of ngspice. rights are required to allow the installation of ngspice.
@ -169,7 +169,7 @@ This file describes the procedures to install ngspice from sources.
$ ./autogen.sh $ ./autogen.sh
$ mkdir release $ mkdir release
$ cd release $ cd release
$ ../configure --with-x --enable-cider --enable-predictor $ ../configure --with-x --enable-cider
$ make 2>&1 | tee make.log $ make 2>&1 | tee make.log
$ sudo make install $ sudo make install
@ -355,11 +355,11 @@ This file describes the procedures to install ngspice from sources.
Unfortunately compiling with MINGW is slow. Compiling with Visual Studio Unfortunately compiling with MINGW is slow. Compiling with Visual Studio
may be more than 10 times faster! may be more than 10 times faster!
Installing from the tarball, e.g. ngspice-44.tar.gz, is simple: After Installing from the tarball, e.g. ngspice-45.tar.gz, is simple: After
expanding, you may just run ./compile_min.sh from the ngspice directory. expanding, you may just run ./compile_min.sh from the ngspice directory.
The default installation location of ngspice is the Windows path The default installation location of ngspice is the Windows path
C:\spice. The install path can be altered by passing --prefix=NEWPATH C:\spice64. The install path can be altered by passing --prefix=NEWPATH
as an argument to ./configure during the build process. as an argument to ./configure during the build process.
Put the install path you desire inside "", e.g. "D:/NewSpice". Be Put the install path you desire inside "", e.g. "D:/NewSpice". Be