Calibre xRC

1

Calibre xRC

intrinsiccoupledsubstrate11 intrinsic plate45 intrinsic fringe 12362 nearbody 3 crossover fringe6 crossover plate

1

RC

2 Calibre xRC

Calibre xRC

transistor level

gate levelADMS Power

NoiseTiming RC RCCSignal Integrity RC RCC Calibre xRC

EldoHspicespectreDSPFSPEF Calibre xRC reducethresholds

tolerances Calibre xRC

layout schematic

3

Calibre xRC 2 Calibre xRC

2 Calibre xRC

31 xRC

2Calibre xRC xRCxRCLVS xRC

311

Calibre xCalibrate xcalibratexCalibrateshielding

CAPACITANCE ORDER ndiff pdiff poly1 metal1 metal2

metal1 poly poly metal1 poly

Calibre SVRF metal1 0.2ohmmetal1 poly1 10ohm, RESISTANCE SHEET METAL1 [0.2 0]

RESISTANCE CONNECTION METAL1 POLY1 [10 0]

312 LVS PEX

LVS LVS

PEX xRC 5Lumped CRCRCCR-only PEX

PEX xRC PEX NETLIST SIMPLE Calibre xrc pdb rcc rules

Calibre xrc fmt simple rules

PEX NETLIST LUMPED Calibre xrc pdb rcc rules Calibre xrc fmt c rules

Lumped C

Calibre xrc pdb rcc rules Calibre xrc fmt rc rules

RC

Calibre xrc pdb rcc rules Calibre xrc fmt rcc rules

RCC PEX NETLIST DISTRIBUTED

Calibre xrc pdb rcc rules Calibre xrc fmt r rules

R

PEX xRC //*****************************************************************************

LAYOUT PATH .../***.gds LAYOUT PRIMARY layout_topcell_name

LAYOUT SYSTEM gds2

()

SOURCE PATH .../netlist_name SOURCE PRIMARY schematic_topcell_name

SOURCE SYSTEM spice

MASK SVDB DIRECTORY .../svdb QUERY XRC LVS xRC LVS REPORT lvs.rep LVS

PEX NETLIST SIMPLE .../top.simp HSPICE SOURCE LOCATION PEX hspice

PEX NETLIST LUMPED .../top.lump HSPICE SOURCE PEX REPORT LUMPED .../lump.rep PEX hspice

PEX NETLIST DISTRIBUTED .../top.dist DSPF SOURCE PEX REPORT DISTRIBUTED .../dist.repASCII SOURCE PEX RC RCC DSPF

include .../pex.rules include .../lvs.rules ( lvs) //****************************************************************************

PEXxRC PEX NETLIST SIMPLE HSPICESPECTRE PEX NETLIST LUMPED HSPICESPECTREELDO PEX NETLIST DISTRIBUTED HSPICESPECTREDSPFSPEFELDO

313 PEX

1Excluding and selection PEX EXCLUDE LUMPED SOURCE net1 net2 PEX EXCLUDE DISTRIBUTED SOURCE net1 net2 net1 net2 PEX INCLUDE LUMPED net1 net2 PEX INCLUDE DISTRIBUTED net1 net2 net1 net2net1net2 PEX EXCLUDE PEX INCLUDE calibre xrc pdb -select xRC PEX INCLUDE PEX EXCLUDE 2Reduction PEX TOLERANCE DISTRIBUTED

TICERTime Constant Equilibration Reduction PEX THRESHOLD

PEX REDUCE LUMPED C

PEX REDUCE COUPLED( calibre xrc fmt -g) mgcdocs

32

2 Calibre xRC

321 LVSLayout vs. Schematicor PHDBPersistent Hierarchical Database

DRC LVS LVS DRC LVS Calibre SVRFStandard Verification Rule Format LVS Calibre SVDBStandard Verification Database LVS xRC LVS SVDB LVS topcell.sp PHDBPersistent Hierarchical Database LVS calibre lvs hier spi svdb/layout_spice_file rule_file_name

layout_spice_file rule_file_name LVS xRC calibre xrc phdb rule_file_name

322 PDBParasitic database

LVS calibre xrc pdb [r|-c|-rc|-rcc ] [-select] rule_file_name [ ]rule_file_name Calibre xRC LVS Calibre xRC PDBParasitic DatabaseCalibre xRC PDBxRC xRC RC RCC coupled CxRC PDB

323 FMTFormat Netlists or Reports

calibre xrc fmt [-c|-r|-rc|-rcc|all] [-g] rule_file_name Calibre xRC PDB

/bin/csh f \rm rf svdb/*.pdb calibre lvs hier spi svdb/topcell.sp rules |tee lvs.log calibre xrc pdb rcc rules |tee pdb.log calibre xrc fmt all rules |tee fmt.log rules xRC

4

, 1.a Flat Transistor-Level netlist

2a Gate-Level Netlist xcellCalibre xRC calibre lvs hier spice svdb/design.sp hcell xcell_list rules calibre xrc pdb rc xcell xcell_list rules calibre xrc fmt all xcell xcell_list rules LVS hcellxcell_list hcell 3. a Hierarchical Netlist

xcell_list xcell calibre lvs hier spice svdb/design.sp hcell xcell_list rules calibre xrc pdb rc full xcell xcell_list rules calibre xrc fmt all full xcell xcell_list rules

5

Calibre xRC

design.***design.***.pex design.***.topcell.pxi design.***design.***.pex RC design.***.topcell.pxi design.***.pex*.pex*.pxi xRC LVS

design.spsvdb Calibre RVE calibre rve svdb&

3 Calibre RVE

Calibre RVE DRCLVS 3 View Net Parasitics 4

4

Find 4OSCO 5

5

6 Calibre

Calibre PEX Cadence.cdsinit Calibre

load (/usr/calibre/mgc_skl.skl) icfb Calibre Cadence Calibre 6

6

Run PEX PEX 7

7 PEX GUI

Rules Inputs LVS Inputs/H-cells PEX x-Cells file, xcellOutputs 8

8

9 4ADMSAdvanceMS license

9

10 5 No Inductancedefault

10

11CALIBREVIEW Calibre license

11

12 SCHEMATIC LAYOUT

12

Exclude IncludeTop-Level Nets Recursive Nets

xRC 13

13 xRC

Run Control AdvancedShow PEX steps in task button barPEX Generate PDB incrementally xRC PDB PDB PEX PEX Options Setup

PEX Options PEX Options 14

14 PEX Opitons

Run PEX xRC

PEX GUI xRC

7

Calibre xRC

% setenv PEX_***

1% setenv PEX_EXTRACT_FLOATING_NETS OFF/ON xRC floatingOFFON 2% setenv PEX_FMT_GLOBAL VDD;VSS VDDVSS PIN.subckt.global VDD VSS

20061229