My Presentation
- 1. Layout Design Methodology Agenda I. Advanced Technology II. Nanometer Solution III. Library Based Design IV. Expertise & Architecture V. Semi-Automation Flow VI. Summary Slide 1 July 31, 2009 Love & Passion
- 2. Reach the Goal Advanced Methodology Traditional 35nMt 70nMt 45nMt 90nMt Slide 2 Love & Passion July 31, 2009
- 3. Project Application • Increased density, performance, and integration – Increased complexity Complexity Advanced 1GB @ 70nm Traditional 512MB @ 90nm 256MB @ 110nm Design Cycle (Months) 04 06 08 10 Unacceptable 16 Design Verification Re-Design 12 Slide 3 Love & Passion July 31, 2009
- 4. Nanometer Solution by Design Process Stable OPC System & High Perf. Circuit Design Pre-Layout Design Nanometer Effects & Verification Speed Physical Design Quality Post-Layout Verification & Analysis Passion TapeOut to No mistake Manufacture Mass Product Slide 4 Love & Passion July 31, 2009
- 5. Concept of Library Based Design Library • Clean Design products Device Design • Detail analysis The 4th Stage • Effective detecting of hidden facts Resource • High Speed , High Quality • Shorten Design Cycle • Verify stable Library High technology The 3rd Stage • Support and cover the process • Cut down Man power The 2nd Stage • Improve Programming and flow • Add elements of Basic Library • Set up Programming The 1st Stage • Fix a regular design flow • Environment, Documentations • Compose Elemental Library Slide 5 Love & Passion July 31, 2009
- 6. Analog Expert Author: Generator Expert Team (Munich, US and China) Creation Date: November 2008 II. Analog layout in other circuits Version: V0.1 Status: Released 3.5.1 Receiver …….………………………………. Page 37 3.5.2 ESD …………..…….. .……………………... Page 41 1. Introduction ……………………………………........... Page 02 4.4 Non-Transistor Devices 2. General …….…………………………....................... Page 04 4.1.1 DT Capacitance…………………………… Page 43 I. Analog layout in Generator circuits 4.1.2 Resistor .……………………………………. Page 46 3.1 References 4.1.3 Diode ….…………………………………… Page 49 3.1.1 VREF Bandgap …….………….…………………. Page 09 4.1 Questions of Analog layout .……………….. Page 50 3.1.1 Current REF…………………….…………………. Page 18 4.2.1 Matching ………………………………….. Page 55 3.1.2 Other References ………………………….. …… Page 20 4.2.2 Noise ………………………………………. Page 61 3.3 Pumps 4.2.3 Parasitic ………………………………….... Page 62 3.3.1 Negative Voltage (VBB/VNWLL/VBURN)……… Page 23 5.1.1 Current Mirrors .….………………………… Page 64 3.3.2 Positive Voltage (VPP)…. … ……….. …………. Page 27 5.1.2 Differential Pairs ………………………….. Page 93 3.4 Regulators 5.2 WN Proximity ………………………………... Page 98 3.4.1 Folded Cascode Amplifier (Vint/ Veql/ Vdll) …… Page 29 5.3 STI Stress ..…….……………..………........... Page 104 3.4.2 Stand-by Generator (VINT/VBLH) …….……….. Page 31 5.4 Design Layout Interaction .………........................ Page 110 3.4.3 Half Voltage (VBLEQ/VPL) .…………………….. Page 33 5.5 Summary .………................................................. Page 111 Page 111 Slide 6 Love & Passion July 31, 2009
- 7. Architecture BANK XHOLE BANK Data Translate Voltage SPERI & CPERI NPERI DLL Auto cell, P & R Data Shrink BANK XHOLE BANK Manual region: BANK, Voltage, I/O and Address Buffers Auto Layout Place & Rout: SPERI & CPERI Data Shrink from Other Technology: DLL(90nm0.70nm) Slide 7 Love & Passion July 31, 2009
- 8. Semi-Automation flow Virtuoso® schematic composer Connectivity Driven Layout Net Information Connectivity Based Virtuoso® Layout Editor Editing And Pcells + Align Instances Automated Device + Search Net Placement + Routing(pcellPath) + Create Gardring Gate level + Make Terminal(pin) Routing(except TR) Number of DRC/LVS DRC/LVS Errors Significantly Reduced Slide 8 Love & Passion July 31, 2009
- 9. Layout Design Method Environment Setup (Tech File/Std. Library) Design Rule Schematic Design Guide PCell Virtuoso SC • Array Control/Main Amp • Fuse/PAD/ESD Classify Cell • Power Block/Power Rail LVS/DRC • Chip Guard/ XY-Hole Check File Setup SKILL Peripheral Cell Manual Cell SKILL Program To Make this flow Is on development automatically, We must use Library Based Automation SKILL Programs have been developed Assemble Top Block Peripheral Block Manual Block Virtuoso XL Virtuoso LE Virtuoso LE Virtuoso LE SKILL SKILL, ICC Replace Real Block Virtuoso LE LVS/DRC by Assura, Calibere Thickness Time Taking Flow Process Pattern Add LVS DRC/PG SKILL Slide 9 Love & Passion July 31, 2009
- 10. Summary • Correlation between Simulation and Layout • Timing optimization right now • Disruptive Technologies • Possibility of profound impact on design methodology • Wave of the future is here!! Slide 10 Love & Passion July 31, 2009