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Using spectre to do analog simulation

V

vivian

Jan 1, 1970
0
Is bsim3v3 the only valid Mosfet model of doing analog simulation in
spectre?

Thank you.
 
J

Jim Thompson

Jan 1, 1970
0
Is bsim3v3 the only valid Mosfet model of doing analog simulation in
spectre?

Thank you.

Ask your professor ;-)

...Jim Thompson
 
J

Jim Thompson

Jan 1, 1970
0
Maybe he's unable to see him?

Then RTFM ;-)

I don't of any simulator that doesn't at least handle CMOS model
Level=1 up into the first versions of BSIM3.

...Jim Thompson
 
V

vivian

Jan 1, 1970
0
what about tsmc25, level 49? It seems that spectre doesn't recognize
'NMOS' or 'PMOS' device.
 
J

Jim Thompson

Jan 1, 1970
0
what about tsmc25, level 49? It seems that spectre doesn't recognize
'NMOS' or 'PMOS' device.

"Level=49" is an HSpice designation. What does Spectre call it?
PSpice calls it "Level=7"

Works just ducky in PSpice...

***************** CORNER_LIB OF TYPICAL MODEL ******************
*.LIB TT
..param toxp = 5.4e-9 toxn = 5.4e-9
+dxl = 0 dxw = 0
+dvthn = 0.0 dvthp = 0.00
+cjn = 1.836615E-03 cjp= 1.833935E-03
+cjswn = 4.234822E-10 cjswp = 3.472876E-10
+cgon = 3.5E-10 cgop = 3.3E-10
+cjgaten = 3.286035E-10 cjgatep = 2.500235E-10
+hdifn = 2.625e-07 hdifp = 2.625e-7
*.lib 'mix025.l' MOS
*.ENDL TT
..lib C:\PSpice\DeviceLib\TSMC_0p25\CMOS.lib


...Jim Thompson
 
G

Genome

Jan 1, 1970
0
vivian said:
Is bsim3v3 the only valid Mosfet model of doing analog simulation in
spectre?

Thank you.

Az far az I am concernd spetre and matlab and other stuff iz arse wot
recrutment agunts spuke in thare adds for arse licking dickfucks toooo have
jobs wiv accountants.

'Have you got experience with GUI's'

He said.

'Graphical User Interfaces Mate, not a problem'

I said.

Quick as a flash I shoved the requisite number of fingers down my throat and
donated a palette of material to his 'desktop'.

'Stick your hands on that and be creative'.

I said....

DNA
 
V

vivian

Jan 1, 1970
0
Thank you, Jim.
I checked the document of spectre, and found that it supports bsim1, 2,
3, 3v3, 4, and some other device models.
it deos not have NMOS or PMOS deveice model at all, which means the
tsmc25 spectre model
(level 11)can not be used in spectre. So I will use bsim3v3 and see the
results.
 
J

Jim Thompson

Jan 1, 1970
0
Thank you, Jim.
I checked the document of spectre, and found that it supports bsim1, 2,
3, 3v3, 4, and some other device models.
it deos not have NMOS or PMOS deveice model at all, which means the
tsmc25 spectre model
(level 11)can not be used in spectre. So I will use bsim3v3 and see the
results.

NMOS and PMOS are device TYPES. The actual MODEL will be supplied by
the foundry, as in...

..model N NMOS Level=7 ; [Level=49 in HSpice]
*
* NMOS (3.3 Volts, 70A, NChannel)
*
+ version = 3.2
+ xpart = 1
+ hdif = 0.42e-6
+ tox={6.9e-9+tox_skew_n}
+ vth0={0.53231+vtnhf_skew}
+ lint={2.73e-8-((2*poly2_bias)+poly2_skew_n)/2}
+ wint={1.07453e-7-((2*act_bias)+act2_skew_n-0.0)/2}
+ cgso={3.77e-11*7.0e-9/(7.0e-9+tox_skew_n)}
+ cgdo={3.77e-11*7.0e-9/(7.0e-9+tox_skew_n)}
+ dlc = {2.73e-8-((2*poly2_bias)+poly2_skew_n)/2}
+ cjswg = {1.55e-10*capa_skew_n}
+ cj={9.44e-4*capa_skew_n}
+ cjsw={1.6e-10*capa_skew_n}
*
+t_measured = 27
+xj = 1.5e-7 nch = 1.75528e17
+k1 = 0.588564 k2 = -0.0118365
+k3 = 1.14815 k3b = 0 w0 = 1.63e-6
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...Jim Thompson
 
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