dc7d61591a
Single NMOS degradation
2026-02-13 17:03:21 +01:00
9e97aac1dd
Function add_degmodel() adds the degradation model to the netlist
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Add a 0 voltage source between internal and external source for
current measurement.
Add a B source parallel to drain and source for current reduction.
Use the mean of d_idlin (result[1]) and d_idsat (result[2])
as proportional factor to current.
Add a voltage source between external and internal gate
to apply dlt_vth shift from result[0]
2026-02-13 16:59:06 +01:00
53aa1f991e
If transistor instance is at top level, there will be no colon
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in the model name.
2026-02-13 16:56:00 +01:00
c093f985e1
Move setting up OMP from CKTsetup() to inp_readall().
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Add a check for abvailable logical CPU cores,
and use half of them as default.
2026-02-11 20:15:57 +01:00
a4d3b9dc5d
Use hash table modtabhash for finding model instead of linked list modtab.
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This speeds up parsing of (a large number of) code models enormously.
2026-02-11 20:13:13 +01:00
2b21666a4d
Code model:
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Put the monitored degradation data onto the heap and into the hash table.
prepare_degsim():
Re-read the netlist, remove the monitors, get the device instance name.
Retrieve the degradation data from the result hash table.
2026-02-09 17:01:19 +01:00
44fd33ea7d
Add a command 'degsim' to reset the circuit, remove the monitors,
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and add the degradation model to each degraded device.
Use function preparedegsim() to add the model with parameters from
degdatahash.
2026-02-08 15:47:04 +01:00
6a0b8b16ce
Add a hash table to store the degradation monitor results per instance.
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Transfer all data to the degmonitor cfunc.mod to reconstruct the
(MOS) device instance name in the code model. Use this instance
name as key for the hash table. Data is stored in loc->result.
2026-02-08 13:53:28 +01:00
40587ead4e
Add global has pointer for degradation data storage per instance,
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inizialse it.
2026-02-08 13:53:27 +01:00
4048610872
Don't read .agemodel, if newcompat.de is not set.
2026-02-08 13:53:27 +01:00
2007ad30d7
Replace '[' and ']' by '@'
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Required by code model parsing, when [ or ] are part of instance
or node name.
2026-02-08 13:53:27 +01:00
8755dd4493
Add non-nqs PSP model
2026-02-08 13:53:27 +01:00
1d05c40de1
Add device type (nmos, pmos), derived from model name.
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Invert PMOS voltages (pmos still in error though).
Output monitor now watches id_lin integral.
2026-02-08 13:53:27 +01:00
13029173cc
Improve error message
2026-02-08 13:53:26 +01:00
d832290b8c
artificially set A_d_idsat from 0 to 0.001
2026-02-08 13:53:26 +01:00
3a80a05aac
typo
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10 years degradation integration
2026-02-08 13:53:26 +01:00
f6fd763c8c
example netlist: 3 inverters in series
2026-02-08 13:53:26 +01:00
a20da11d4c
New title
2026-02-08 13:53:26 +01:00
d55224dfe1
more descriptions into README
2026-02-08 13:53:26 +01:00
e06d598434
Add a README for the degradation monitor
2026-02-08 13:53:26 +01:00
589b746515
Adding degradation monitors
2026-02-08 13:53:25 +01:00
fe5ec347d6
Enable using hashtables also for compiling with gcc.
2026-02-08 13:53:25 +01:00
13dc028ce0
Add a pre-processor flag XSPICECM during compilation of the
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xtradev code models. This allows some settings in hash.c, e.g.
replacing fprintf functions not available in a code model.
2026-02-08 13:53:25 +01:00
f73d7eed22
Read the hash table with the aging model parameters.
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Store the data in the static loc parameters used
during function evaluation.
2026-02-08 13:53:25 +01:00
77a544ab67
Add a hash table paramhash to store the .agemodel model parameters.
2026-02-08 13:53:25 +01:00
2ec1636f12
Enable compiling hash.c as part of a code model shared library.
2026-02-08 13:53:25 +01:00
49e2a7d094
getdata()
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Add model selection
Add preliminary parameter selection (still requires the correct
sequence of parameters).
Do three calculations for dlt_vth, d_idlin, and d_idsat
Error messages added.
2026-02-08 13:53:24 +01:00
dc94407b83
Remove now unused parameters
2026-02-08 13:53:24 +01:00
a712304a5d
Specify static locdata containing constfac, sintegral and prevtime
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instead of individual data.
2026-02-08 13:53:24 +01:00
7335756c68
Add function cm_get_deg_params(void) to obtain the set
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of gegeneration model püarameters stored in struct agemods.
Re-sort the parameters in ifspec.ifs (preliminary)
Use cm_get_deg_params() to obtain the model parameters in cfunc.mod
2026-02-08 13:53:24 +01:00
3a24708350
simple netlist example with agemodel data.
2026-02-08 13:53:24 +01:00
6c10887c64
Read the agemodel data, put them into global array agemods
2026-02-08 13:53:24 +01:00
9f6c00a536
Always call the function.
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Inside it will be decided, depending on not having ngbehavior=de,
to disregard the agemodels.
2026-02-08 13:53:23 +01:00
b510a21e2f
Add function readdegparams in file inpdeg.c
2026-02-08 13:53:23 +01:00
2c07f89930
remove debug messages
2026-02-08 13:53:23 +01:00
3fd7a69eb0
make parameter l lower case, add parameter 'file'
2026-02-08 13:53:23 +01:00
b7c985128f
Add a compatibility mode 'de' for degradation simulation.
2026-02-08 13:53:23 +01:00
7b8ec52fdd
Add INSTNAME and INSTMODNAME to code model macros
2026-02-08 13:53:22 +01:00
19212ee436
Scale function for *constfac, scale Boltzmann.
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Add *prevtime to allow checking for final time, and to
avoid double acces to deg evaluation.
Add missing parameter L.
If other than 4 nodes, bail out.
2026-02-08 13:53:22 +01:00
d3a7ce9f5c
Use real parameters as default (NMOS 0.13 saturation)
2026-02-08 13:53:22 +01:00
9f342dc51d
Add degradation monitor code model to extradev
2026-02-08 13:53:22 +01:00
61f6e813d8
Add two macros TSTEP and TSTOP to XSPICE
2026-02-08 13:53:22 +01:00
9ac5bda207
After an ac simulation, a tran measurement causes a segfault.
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A check prevents this issue.
2026-02-03 22:38:56 +01:00
417c52ee5c
Remove compiler warnings
2026-02-03 15:05:24 +01:00
ab87bd57a4
Re-enable compiling with clang
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Patch thanks to Gon Solo, issue 826
2026-02-03 14:25:18 +01:00
afb17cb6c7
New analogue and digital device models from TI contain
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the token GND in their subcircuit. Up to now ngspice has
declared GND as global and replaced it by 0.
Now, if PS is selected as compat mode, GND is not
declared as global, and is not replaced inside of a subcircuit.
2026-02-03 14:25:09 +01:00
ab03cc94c0
Using mtimeavg
2026-02-03 14:23:41 +01:00
b25ff08307
Moving window filtering with function 'newvec = mtimeavg(vec)'
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Window of fixed time width given by 'set mtimeavgwindow=400u'
Length and scale of newvec resembles the original vetor vec.
Large vec and large mtimeavgwindow take their time.
OpenMP is used if available.
2026-02-03 14:23:32 +01:00
84ce2b4084
Exclude B voltage source, whan '.probe alli' is used.
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It already gets a bxx#branch for current measurement.
2026-02-03 14:23:22 +01:00
1601571432
Correct vgs assignment - bug found by K. OHara
2026-02-03 14:23:14 +01:00
Holger Vogt
dwarning