diff --git a/examples/osdi/mextram/vacode/NOTICE b/examples/osdi/mextram/vacode/NOTICE deleted file mode 100644 index aa1c75d8f..000000000 --- a/examples/osdi/mextram/vacode/NOTICE +++ /dev/null @@ -1,8 +0,0 @@ -The MEXTRAM standard has been supported by the members of -Silicon Integration Initiative's Compact Model Coalition. -A link to the most recent version of this standard can be -found at: http://www.si2.org/cmc - - -CMC Release Date: December 28, 2020 -Public Release Date: June 28, 2022 diff --git a/examples/osdi/mextram/vacode/VERSION b/examples/osdi/mextram/vacode/VERSION deleted file mode 100644 index 8ad1e4819..000000000 --- a/examples/osdi/mextram/vacode/VERSION +++ /dev/null @@ -1,134 +0,0 @@ -// Copyright (c) 2000-2007, NXP Semiconductor -// Copyright (c) 2007-2014, Delft University of Technology -// Copyright (c) 2015-2020, Auburn University -// All rights reserved, see IP_disclaimer_license.txt for further information. - -Mextram 505.2 Source Code - -Additions and changes compared to 505.1 include: - -- A new avalanche factor (Gem) model: - swavl = 3, a new avalanche model, exavl is meaningful only when swavl=2 and 3. - -- A switch for turning on and off Gem limiting: - swgemlim = 0 turns off Gem limiting. - swgemlim = 1 (default) turns on Gem limiting. - -- A new extrinsic diffusion charge model: - swqex = 0 (default) uses original Qex model. - swqex = 1 uses new Qex model, new parameters are vdcex and tauex. - -- A new exmod = 3 option that removes Fex limiting (Fex = 1.0) in both Qex and XQex. - -- A new model parameter issr that describes asymmetry of saturation current "is" between forward and reverse mode. - -- Module name is now appended with "_va" to the model name, bjt505_va, bjt505t_va, bjtd505_va and bjtd505t_va. - -- "dt" is now a thermal instead of electrical node. - -- "dtemp" and "trise" are added as alias to "dta". - -- gmin implementation is updated following gmin subcommittee recommendation. Simulator “gmin” is used, 0 is used if simulator does not support gmin. - -- Flicker noise formulation updated following Geoffrey’s Q2 2020 recommendation. - -- A gmin current between CS junction is added when icss > 0.0. - -- EB tunneling current calculation is improved to improve stability and convergence at very low reverse bias: - Izteb is set to zero for small VEB. Parameter vzmin is added to allow user to specify the minimum junction reverse voltage. - Dzeb coding related to zeb and e_zeb is optimized to avoid a division of two zeros of the same order. The new coding produces a higher order zero in the numerator. - A zeb offset of 1e-7 is further used to ensure stability. - -- CB tunneling current calculation is improved in a similar manner. - -- "mult" is now implemented at the branch level instead of parameter level. - -- The gmin current now scales with "mult". - - - -Mextram 505.1 Source Code - -Additions and changes compared to 505.00 are: - -- Add CS junction diode knee current ikcs. - -- Modified BCS high injection. - -- Add breakdown in CB junction leakage and its switch, swjbrcb = 0 (default), and 1. - -- Separate Isub into intrinsic Isub_int and extrinsic Isub with parameter xisubi. Isub_int is controlled by Vb2c2 and Isub is controlled by Vb1c4. - -- vexlim is set as model parameter. - - `MPRcc( vexlim ,400.0 ,"" ,40 ,400 ,"Upper limit of exp() function argument for convergence" ) - -Mextram 505.00 Source Code - -Additions and changes compared to 504.12.1 are: - -- CB junction tunneling current model added. - -- vdcs are decoupled for quasi-saturation and C-V. - vdc is dedicated for quasi-saturation. - vdcctc and pc are dedicated for CV. - vdcctc is used for CB tunneling. - -- Added temperature dependent non-ideality factors in main current, nff and nfr. -- Diffusion charge and diffusion capacitance expressions are modified accordingly to maintain the same transit time. - -- Nonideality factors in ideal base current IB1 and IB1S are added. -- Side-wall non-ideal base current IB2S are added. -- Side-wall base current for reliability modeling IBrel is added. -- Current gains (bf, bri) are no longer used. All base current components have their own saturation current and non-ideality factors where needed. - -- Nonideal reverse base current is now formulated the same way as forward non-ideal base current. - -- 1/f noise of all ideal base currents is now calculated from kf and af, and placed between B2 and E1. -- 1/f noise of all non-ideal base currents is now calculated from kfn and afn, and placed between B1 and E1. - -- New avalanche current implementation using main current (In) as opposed to Ic1c2 as initiating current, and corresponding changes in Iavl limits. -- New avalanche factor (Gem) model. -- swavl, a switch parameter for avalanche factor. - swavl = 0, no avalanche current, - swavl = 1 (default), a new avalanche model, - swavl = 2, Mextram 504 avalanche model. exavl is meaningful only when swavl=2. - -- Add vdcctc, diffusion voltage dedicated for CB depletion capacitance. - -- Add switch for Vjunc calculation, swvjunc, swvjunc = 0 (default), 1, and 2 (504). - // Effective collector-base junction capacitance bias switch - if (swvjunc == 0) - Vjunc = Vb2c2; - else if (swvjunc == 1) - Vjunc = Vb2c1; - else if (swvjunc == 2) - Vjunc = Vb2c1 + Vxi0; - -- Add switch for transition voltage width Vch in CB capacitance-voltage curve smoothing, swvchc, swvchc=0 (default) and 1 (504). - if (swvchc == 0) - Vch = vdc_t * 0.1; - else - Vch = vdc_t * (0.1 + 2.0 * Ic1c2 / (Ic1c2 + Iqs)); - -- Iex is now corrected to describe extrinsic BC junction current as hole injection into collector (in 504, it was described as electron injection current from collector to extrinsic base - which is not the case for real devices) - -- iks means now true substrate current's knee. - -- Change default value of parameter exsub from 0 to 1. - -- Change default range of parameter icss from (-inf, inf) to [0.0, inf) and Isf is directly calculated from icss. - -- p0star and pW clipping restored to solve convergence problems at high VCB. - -- Improvement of xext coding to allow xext = 0. - -- Types of numerical constants cleaned up. - -- Code reformatted to have asymmetric begin / end format. - -- Macros are rewritten for consistency. No trailing ";" should be used in macro calling. - -- gmin now can take value from both model card and simulator. - gmin explicitly specified on model card has higher priority over gmin from simulator options. -