Hspice measure use the HSPICE on Engineering Workstation Linux computers. Make Schematic and Symbol for your circuit Please refer to tutorial 1 (section C/D) 2. For dynamic energy I am measuring the average power at each state transition. In this document, we will introduce . I am trying to calculate noise with nldm method using hspice. Joined Nov 13, 2005 Messages 190 Helped 3 Reputation 6 Reaction score 1 Trophy points 1,298 Visit site Activity points 0 total power hspice code. measure dc i1 when vgs=1. 01*I(mnload)' I've built a ripple-carry adder in Cadence and I need to measure the capacitance at various nodes internal to my design (load capacitance at gate outputs). you need not use . 1300E+00 But the problem is when a tried to use the same command . you can read that file in waveform viewer. measure lines in my HSPICE netlist:. measure a4 <measure_spec> It annoys me that HSPICE outputs the table (with the . 3Synopsys, Inc. Joined Jun 15, 2017 Messages 1 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Visit site Activity points 13 Yes, but I think you're getting close: 1. PRINT POWER it will give you accurate power. This discrepancy is attributed to the difficulty of measuring the condition of strong inversion, especially in the presence of short-channel effects resulting HSPICE is one of the strongest SPICE simulator. measure command. then right click on the vco output(the net whose jitter we need to calculate) and click calculator. Isn't there some equivalent command that you can put in your spectre deck ? thanks. measure script ? I think the . This chapter discusses the following topics: Using Output SPICE stands for Simulation Program with Intergrated Circuit Emphesis, which is a transistor level circuit simulator developed by U. imulation . Display electrical specifications such as rise time, slew rate, amplifier gain, and current density using the output format features. MODEL statements. ankitgarg0312 Full Member level 2. Status I want to do some integration in Hspice . Make Schematic and Symbol for your circuit. 56 3. please help me to measure Gm in one circuit with Hspice. How to get for MOS transistors their vth0, VDsat, gm, gmbs, and gds in . Joined Aug 2, 2005 Messages 351 Helped 15 Reputation 30 Reaction score 7 Trophy points 1,298 Location Shanghai Visit site I wrote a hspice code to simulate and plot the nmos' I-V curve. measure command to measure and directly give out the current value at specific vgs and vds. SPICE stands for . mt0 file i. (iam simulating a 50Mhz pll). beckchm Banned. The ostensible advantage of this is that the results will reside with the rest of the measurements. 2GlobalFoundries, Inc. After doing more digging I was able to label the nets within my extracted hspice The hspice gave me the good answer : deriv_sqrt_id_max= 5. ch04 1 Thu Jul 23 19:10:43 1998 Star-Hspice Manual, Release 1998. u can follow this. lis. Finish tutorial 1 before you start this tutorial. Apr 8, 2006 #3 H. MEASURE result, and writes "FAILED" in the output listing file. for various control voltages i have a different frequencis. else keyword doesn't have to be followed by a condition (V>=s1). measure hspice Check out Avantis hspice guide. Measurement Mode hspice -meas measure_file-i wavefile-o [output_file] Help Mode hspice [-h] [-doc] [-help] [-v] Argument Descriptions-i input_file Specifies the input netlist file name. measure statements in your HSPICE deck. You can't ask it for an event time with an inequation: I(mnload) = '0. i tried a lot of times, still don't work. It is famous for its accuracy and it's a de-facto standard upon which most semiconductor companies depend. just run the tran simulation for about say 10us. measure TRAN td_r TRIG v(out2) val='vdd/2' fall=2 Commands in HSPICE Netlists: . 5 vds=3 HSPICE User Guide . Joined Feb 8, 2008 Messages 140 Helped 20 Reputation 40 Reaction score 7 Coming back to my original question, you can put . It is a powerful program that is used in IC and board-level design to check the integrity of circuit designs and to predict circuit For a complete description of HSPICE installation, system configuration, setup and basic operation, please refer to the HSPICE Simulation and Analysis User Guide . jordan76 Full Member level 3. In this i got the frequency for various control voltages with the help of . HSPICE appends the extension . 2, 2009) Before you start Finish tutorial 1 before you start this tutorial. MEASURE (FIND and WHEN) EXAMPLE: * MEASURE statement using FIND/WHEN. Joined Mar 25, 2004 Messages 170 Helped 4 Reputation 8 Constant-Current Threshold Voltage Extraction in HSPICE for Nanoscale CMOS Analog Design Alvin Loke 1, Zhi-Yuan Wu 2, Reza Moallemi 3, Dru Cabler 1, Chad Lackey 1, Tin Tin Wee 1, and Bruce Doyle 1 1Advanced Micro Devices, Inc. print P(vdd). MEASURE TRAN delay TRIG v(sig_1) VAL='vdd/2' RISE=1 TARG v(sig_2) VAL=v(sig_3) CROSS=1 Is the using of v(sig_3) legal here as VAL HSPICE measure absolute value. sp, where design is the name of your circuit, as a source file. S. measure pwr AVG P(vdd) FROM=0ns TO=10ns Power in single gate – Connect to separate V DD supply – Be careful about input power. Use the MEASFAIL option to write out results to the . Once the optimization converges, the dummy cap value will give you the equivalent gate capacitance of the inv-stage. Create a schematic view for testing, and initiate the circuit you want to test (tutorial 1, section F) . I. . 2. Input Netlist File Structure - 1 - Power Measurement HSPICE can measure power – Instantaneous P(t) – Or average P over some interval. These variables also permit you to use behavioral circuit analysis, modeling, and simulation techniques. measure a2 <measure_spec> . measure for each edge. Feb 21, 2010 #2 jardila Junior Member level 2. 5 CROSS = 3 In this example, the first measurement, TRT, calculates the difference between V(3) and V(4), when V(1) is half Hspice . in hspice is it possible to measure jitter of pll or not? qpss noise to calculate the long term jitter. Gm=di0/dvi for achieve this value in one transcoundactor circuit what i should do? because we should measure dI(out) /dVin but how we can do it? Feb 1, 2010 #2 A. measure statements into your hspice deck. Ideal Transformer See “Ideal Transformer” in the HSPICE Simulation and Analysis User Guide. for this i did transient analysis now i have a data in . after opening the . Other versions of HSPICE should not differ too much. C. LIB and . 1. Learn how to write and run Hspice files for spice simulation on Sun/Unix platforms. Behavioral Voltage Source See “Voltage and Current Controlled Elements” in the HSPICE Simulation and Analysis User Guide. . Joined Sep 17, 2009 Messages 23 Helped 3 Reputation 6 Reaction score 2 Trophy points site:edaboard. 5 ns (-1. The fact that you see just one measurement means that it was obtained either at the last step of DC analysis, or it is an average. 5 CROSS = 3 In this example, the first measurement, TRT, calculates the difference between V(3) and V(4), when V(1) is half hspice. measure command ? For instance, HSPICE and ELDO use LX7(M0) for the transconductance gm of a MOS transistor. 9574e−09 W). sw0 file . measure measurements - one for each step of DC analysis. MEASURE statement fails to execute, Star-Hspice writes 0. Include the . ma# files. measure a1 <measure_spec> . dc temp -40 150 0. HSPICE Overview . ends xxx Here I measure static power for the pattern <1 1 0> as the average power from 692. this example gives u direct VI characterstics of subckt(MOS). See examples of node names, . measure such as:. ex. HSPICE Transient Analysis: Below is a spice deck for characterizing a CMOS inverter. -hpp Invokes HSPICE Precision Parallel. tran sweep many temperature and measure it but If only use dc sweep temp like this . all assistance is appreciated greatly. holddreams Full Member level 6. measure tran integ (v(1)-v(2))*idd from=20n to=50n but I cannot get it to work. To measure settling time, you have to measure 2 event times: the begin (stimulus) and the end (time of satisfactory result); settling time is the difference between these 2 events = time points. Thread starter Albertll; Start date Jun 15, 2017; Status Not open for further replies. Analog circuit simulation. measure a3 <measure_spec> . It's redundant anyway. Mar 10, 2005 #4 J. measure to find the sqrt(id(mn1)) in that point. Add a DC source and set the DC voltage to 1. how can i use . 24 HSpice Analysis and Optimization Bart Zeydel, Hoang Dao, Xiao-Yan Yu I. Here I measure the average power for a transition from <0 0 0> to <1 1 0> from 915 ns to 925ns (-5. 23 4. Measurement is performed when the last CROSS, FALL, or RISE event occurs. measure TRAN td_f TRIG v(out2) val='vdd/2' rise=2 + TARG v(out3) val='vdd/2' fall=2 . mt0 extension) line-wrapped: a1 a2 a3 a4 temper alter# 1. alter as hspice allows two voltage sweeps ( For example, I have the following . 32 25. puted by a circuit simulator such as HSPICE often does not match well to silicon measurement. Thanks, Regards, OkGuy fvila - 2014-09-01 Hello, If you want to access the MOS parameters (vth, gm, gmbs HSPICE has an optimization routine which can change the capacitance value to match the fall/rise time of the inv-chain. 8: SPICE Simulation CMOS VLSI DesignCMOS VLSI Design 4th Ed. HSPICE Simulation and Analysis User Guide. INCLUDE, . then in cadence go to results browser from the analog environment. 21 4. Anyhow, I suggest that for the purpose of this measurement you'll remove DC analysis completely. com hspice power measure just use . I realize the design is digital, but this seems to be a more appropriate forum for capacitance questions. You can drag the marker and read off the corresponding slope values of In the spirit of 'thorough documentation', we have included a description of the hSpice output file formats that we support (9601,2001 and ASCII) at hSpice Output We hope you download and use this parser, and we are also eager to integrate features from the community. mt#, . Mar 8, 2006 #9 B. 0e0 in the . To measure Power Dissipation Characteristics: Add a measure statement to your spice netlist to measure average power: please see below example, simulate in hspice and it will generate a . 7847E-03 at= 1. The objective is to measure . Commands in HSPICE Netlists: . To measure the slope of the DC characteristic, use the Measurement Tool from the Tools menu. -o output_file Name of the output file. Ideal Op-Amp See “Ideal Op-Amp” in the HSPICE Simulation and Analysis User Guide. ms#, or . MEASURE generation. MEAS TRAN TRT FIND PAR(‘V(3)-V(4)’) + WHEN V(1)=PAR(‘V(2)/2’) RISE = LAST. now i want to find the slope of F vs V curve with the help of hspice command. VerilogA block When a . PRINT, . For example:. If this is the case, you should've obtained a set of . 2V. 2243E-07 W). e. Hi, I would like to measure the delay from rising of one signal to the crossing of another two signals, anyone know how to do this? Can I use something like: . book : hspice. MEAS STIME WHEN V(4) = 2. Analog circuit simulation A. Anyone can tell me the right syntax? Thank you very much! teraze . Berkeley. subckt xxx 1 2 R1 1 2 1 . If you want the current through a block defined by a subcircuit, then the current is defined as Ix, followed by the part's designator, a colon, and the pin as defined internally. Make a perl/python/whatever script that generates a . In this document, we will introduce HSPICE, a HSPICE uses a netlist file design. Power Measurement in Hspice (Last updated: Nov. 5 and I want to measure temp=20 Va=? and temp=150 Va=? how to write out . Albertll Newbie level 1. Jun 15, 2017 #1 A. PRINT POWER hello i am making a circuit of VCO. 00 1 HSPICE® Reference Manual: Commands and Control Options Version J-2014. 09, September 2014 I can use . 2 4-1 Chapter 4 Specifying Simulation Output Use output format statements and variables to display steady state, frequency, and time domain simulation results. rogram with P ntergrated I ircuit C mphesisE, which is a transistor level circuit simulator developed by U. mt# file as the . HSPICE, a popular SPICE simulator shipped by Meta Software Inc. This text file contains the circuit netlist, element models, analysis com-mands and output Optimization of 16-bit RCA using HSPICE (at the FA level) SPICE is a general purpose analog electronic circuit simulator. The HSPICE script and explanation is given in the textbook. i am taking noise data in liberty files as reference for my calculation results using simulator hspice. 5 ns to 702. jyv cnlxvmfi kmrtuw evjuklu mllsc zvlpp kwf rcmejz emlax btw