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Contents

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1

Introduction to OCEAN

Licensing Requirements

Types of OCEAN Commands

OCEAN Online Help

OCEAN Syntax Overview

Common SKILL Syntax Characters Used in OCEAN

Parentheses

Quotation Marks

Single Quotation Marks

Question Mark

Data Types Used in OCEAN

OCEAN Return Values

Design Variables in OCEAN

outputs() in OCEAN

Parametric Analysis

Data Access Without Running a Simulation

Distributed Processing

Blocking and Nonblocking Modes

Plotting Simulation Results

2

Using OCEAN

OCEAN Use Models

Using OCEAN Interactively

Using OCEAN from a UNIX Shell

Using OCEAN from the CIW

Interactive Session Demonstrating the OCEAN Use Model

License Requirements

Creating OCEAN Scripts

Creating Scripts Using Sample Script Files

Creating Scripts from the Analog Design Environment

Selectively Creating Scripts

Loading OCEAN Scripts

Selecting Results

Selecting Results Run from Worst Case Scripts for Cross-Probing or Back Annotating Operating Points

Selecting Results Run from Spectre Standalone

Running Multiple Simulators

OCEAN Tips

3

Introduction to SKILL

The Advantages of SKILL

Naming Conventions

Arithmetic Operators

Scaling Factors

Relational and Logical Operators

Relational Operators

Logical Operators

SKILL Syntax

Special Characters

White Space

Comments

Role of Parentheses

Line Continuation

Arithmetic and Logical Expressions

Constants

Variables

4

Working with SKILL

SKILL Functions

Data Types

Numbers

Atoms

Constants and Variables

Strings

Arrays

Allocating an Array of a Given Size

Concatenating Strings (Lists)

Comparing Strings

Declaring a SKILL Function

Defining Function Parameters

Defining Local Variables (let)

SKILL Function Return Values

Syntax Functions for Defining Functions

procedure

Terms and Definitions

5

OCEAN Environment Commands

appendPath

path

prependPath

setup

history

ocnSetSilentMode

6

Simulation Commands

ac

analysis

converge

connectRules

createFinalNetlist

createNetlist

dc

definitionFile

delete

deleteOpPoint

design

desVar

discipline

displayNetlist

envOption

evcdFile

evcdInfoFile

forcenode

globalSigAlias

globalSignal

ic

includeFile

modelFile

nodeset

noise

ocnCloseSession

ocnDisplay

ocnDspfFile

ocnSpefFile

ocnPspiceFile

ocnGetAdjustedPath

ocnGetInstancesModelName

off

option

restore

resultsDir

run

save

saveOpPoint

saveOption

simulator

solver

stimulusFile

store

temp

tran

vcdFile

vcdInfoFile

vecFile

hlcheck

ocnAmsSetUnlNetlister

7

Data Access Commands

dataTypes

deleteSubckt

displaySubckt

getData

getResult

i

ocnHelp

ocnResetResults

openResults

outputParams

outputs

phaseNoise

pv

resultParam

results

saveSubckt

selectResult

sp

sprobeData

sweepNames

sweepValues

sweepVarValues

v

vswr

zm

zref

8

Plotting and Printing Commands

addSubwindow

addSubwindowTitle

addTitle

addWaveLabel

addWindowLabel

clearAll

clearSubwindow

currentSubwindow

currentWindow

dbCompressionPlot

dcmatchSummary

deleteSubwindow

deleteWaveform

displayMode

getAsciiWave

graphicsOff

graphicsOn

hardCopy

hardCopyOptions

ip3Plot

newWindow

noiseSummary

ocnGenNoiseSummary

ocnPrint

ocnPrintTMIReliabilityResults

ocnPrintTMIResultTypeList

ocnSetAttrib

ocnWriteLsspToFile

ocnYvsYplot

plot

plotStyle

printGraph

pzFrequencyAndRealFilter

pzPlot

pzSummary

removeLabel

report

saveGraphImage

xLimit

yLimit

Pl

9

OCEAN Aliases

10

Predefined and Waveform (Calculator) Functions

Predefined Arithmetic Functions

abs

acos

add1

asin

atan

cos

exp

int

linRg

log

logRg

max

min

mod

random

round

sin

sqrt

srandom

sub1

tan

xor

Waveform (Calculator) Functions

average

abs_jitter

analog2Digital

awvCreateBus

awvPlaceXMarker

awvPlaceYMarker

awvRefreshOutputPlotWindows

b1f

bandwidth

clip

clipX

closeResults

compare

compression

compressionVRI

compressionVRICurves

complex

complexp

conjugate

convolve

cPwrContour

cReflContour

cross

db10

db20

dbm

delay

delayMeasure

deriv

dft

dftbb

dnl

dutyCycle

evmQAM

evmQpsk

eyeDiagram

eyeHeightAtXY

eyeWidthAtXY

eyeAperture

eyeMeasurement

edgeTriggeredEyeDiagram

flip

fourEval

fallTime

freq

freq_jitter

frequency

ga

gac

gainBwProd

gainMargin

gmax

gmin

gmsg

gmux

gp

gpc

groupDelay

gt

harmonic

harmonicFreqList

harmonicList

histo

histogram2D

iinteg

imag

inl

integ

intersect

ipn

ipnVRI

ipnVRICurves

kf

ln

log10

lsb

lshift

mag

nc

normalQQ

overshoot

pavg

peak

peakToPeak

period_jitter

phase

phaseDeg

phaseDegUnwrapped

phaseDegUnwrappedWithFreq

phaseMargin

phaseRad

phaseRadUnwrapped

PN

pow

prms

psd

psdbb

pstddev

pzbode

pzfilter

rapidIPNCurves

rapidIIPN

real

riseTime

rms

rmsNoise

rmsVoltage

rmsTerminalVoltage

root

rshift

sample

settlingTime

slewRate

smithType

spectralPower

spectrumMeasurement

ssb

stddev

tangent

thd

thd_fd

unityGainFreq

value

xmax

xmin

xval

ymax

ymin

Spectre RF and S-Parameter Calculator Functions

ifreq

ih

itime

pir

pmNoise

pn

pvi

pvr

spm

totalNoise

vfreq

vfreqterm

vh

vhterm

vtime

vtimeterm

ypm

zpm

RF Functions in Spectre

B1f

gac_freq

gac_gain

Gmax

Gmin

Gmsg

GP

gpc_freq

gpc_gain

GT

Gmux

Kf

loadStability

nc_freq

nc_gain

NF

NFmin

rn

sourceStability

s11

s12

s21

s22

11

Parametric Analysis Commands

paramAnalysis

paramRun

12

OCEAN Distributed Processing Commands

deleteJob

digitalHostMode

digitalHostName

hostMode

hostName

killJob

monitor

remoteDir

resumeJob

suspendJob

wait

Sample Scripts

13

Language Constructs

if

unless

when

for

foreach

while

case

cond

14

File Commands and Functions

close

fscanf

gets

infile

load

newline

outfile

pfile

printf

println

15

OCEAN 4.4.6 Issues

Index

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