Summary
Overview
Work History
Education
Skills
Timeline
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sharath seshadri

Summary

Dedicated 11 years of successful experience in Analog layout designing. Full Custom Layout Analog Layout Techniques - Floorplan, placement, matching & shielding Antenna Checks and Electrical Rule Checks Physical Verification – DRC, LVS, Extraction Reliability Verifications – EM & IR Worked on technologies ranging from 250nm to 7nm Quick Understanding of design rules and verification for of CMOS Processes, SOI process and Finfet process Worked in Technologies likes TSMC 7nm, 5nm & SF 2nm process Experience in the Layout of Analog IP’s like PLL, DLL, Bandgap, LDO, DAC including physical verification checks likes DRC, LVS, Density, HVDRC etc. Experience working on the Pad ring verification. Worked on High Voltage BCD process in 180nm to 65nm CMOS with voltage up to 40V Experience in handling full IP layout from Area Estimation, Floor planning, placement, and routing until the IP Level. Knowledge of Latch-up Metal density and Antenna in all the technology nodes Experience in handling full layout from Area Estimation, Floor planning, placement, and routing until the IP Level Worked in different Multinational Companies & have Interacted with lot of overseas clients in US, France, and Taiwan Have been leading a Team of Four to 10 people from past 4 years. Developed cadence Skill based Memory tiller for different memory architectures Skill automation as per the requirement Have good communication skills and willingness to work with a global team Fast learner, Hardworking, self-motivated and ability to work in organization where I can efficiently contribute and enhance my learning, knowledge & skills to meet company goals.

Overview

18
18
years of professional experience

Work History

Sensor Unit Chip IP Layout Development

Accenture India Pvt Ltd
04.2024 - Current
  • Assigned ownership for LDO, BGR, DAC & Sensor Control IP development
  • Layout designing starting from scratch for different IP’s like LDO, BGR DAC & SensorControl - Floorplan, placement, routing and closure verifications.
  • Post Layout verifications like IR drop fixes & design update fixes
  • Full Chip routing experience
  • Process: GF45SPCLO FD SOI photonic process
  • Challenges:
  • Area optimization
  • Symmetric routing, clk routing, matching & shielding constraints
  • Ensure proper power connections for high current consuming blocks to avoid the worst IR violations.
  • Fix ESD & Antenna checks & related changes in PAD ring
  • Making critical changes in pre-designed layout.

Power IP Layout Development

Accenture India Pvt Ltd
04.2024 - Current
  • Assigned ownership for LDO, BGR & ESD pad ring verification.
  • Layout designing starting from scratch for different IP’s like LDO, BGR- Floorplan, placement, routing and closure verifications.
  • Post Layout verifications like IR drop fixes & design update fixes
  • Process: GF BCD65 cmos process
  • Challenges:
  • Area optimization
  • Symmetric routing, clk routing, matching & shielding constraints
  • Ensure proper power connections for high current consuming blocks to avoid the worst IR violations.
  • Fix ESD & Antenna checks & related changes in PAD ring
  • Making critical changes in pre-designed layout.

DAC IP development

Insemi technologies
11.2023 - 04.2024
  • Assigned ownership for BIAS, Switches, decoder resistor string & Top level integration
  • Layout designing starting from scratch for different subcells like BIAS, Switches, decoder resistor string & Toplevel integration - Floorplan, placement, routing and closure verifications.
  • Post Layout verifications like IR drop fixes & design update fixes
  • Process: Samsung 3nm MBCFET process
  • Challenges:
  • Area optimization
  • Resistor to decoder routing
  • Matching & shielding constraints in the layout & ensure proper power connections for high current consuming blocks to avoid worst IR violations.
  • Patterning DRC’s was a major concern.
  • Designing with proper clones & taking account of all flows that needs to be clean while designing to avoid major do-over.

Analog & Memory layout

Exiger Technologies
01.2023 - 11.2023
  • Layout designing starting from scratch - Floorplan, placement, routing and closure verifications.
  • To work on layout of PLL and subblocks in GF 12nm
  • Development of Analog layouts like BGR for PLL & Sense amplifier for SRAM
  • SRAM compiler development & verification
  • DRC/LVS/Antenna/EMIR Verification.
  • Process: GF 12nm
  • Challenges:
  • Area optimization
  • Pitch based layout for SRAM
  • Matching & shielding constraints in the layout
  • Patterning DRC’s was a major concern.
  • Ensure proper power connections for high current consuming blocks to avoid worst IR violations.

Analog Audio IP layout development

SmartSoc technologies
12.2022 - 01.2023
  • Assigned ownership for Charge pump IP in TI LBC9 process & sublock of PLL in TSMC7nm.
  • Layout designing starting from scratch - Floorplan, placement, routing and closure verifications.
  • Worked on power part of Audio IP in LBC9 TI process and PLL sublocks in TSMC 7nm
  • Post Layout verifications like DRC/LVS/Antenna
  • Process: Multiple Process nodes (TI 130nm & TSMC 7nm)
  • Challenges:
  • Symmetric routing, clk routing, matching & shielding constraints
  • Ensure proper power connections for high current consuming blocks to avoid worst IR violations.
  • Designing with proper clones & taking account of all flows that needs to be clean while designing to avoid major do-over.
  • Making critical changes in pre-designed layout.

IP layout development

Rakiya Information Technologies
01.2016 - 06.2021
  • Layout designing starting from scratch - Floorplan, placement, routing and closure verifications.
  • To work on layout of LDO, EFUUSE I/O and other sublocks subblock in 7nm, 28nm, & intel 14nm
  • DRC/LVS/Antenna/EMIR Verification.
  • Guiding set of Juniors
  • Process: TSMC N7, TSMC 28nm HPC+ intel 14nm
  • Challenges:
  • Designing with proper clones and & taking account of all flows that needs to be clean while designing to avoid major do-over.
  • Huge area consumption due to matching, compact matching was required
  • Physical Verification like DRC use to consume more time lower nodes.
  • Estimating the area, ensuring proper placement,power mesh connections & critical signal routings.

IP layout development of Memory & Analog

Karmic India PVT Ltd
08.2014 - 12.2015
  • To work on Analog layouts like LDO & Charge pump.
  • To work on SRAM/ROM compilers.
  • Guiding Juniors Explored on new DRC errors, Placement and Routing of smaller blocks with LVS & bundle clean.
  • Physical verification
  • Process: TSMC 28nm & 65nm
  • Challenges:
  • Designing with proper clones and & taking account of all flows that needs to be clean while designing to avoid major do-over.
  • Huge area consumption due to matching, compact matching was required
  • The area of the memory sublocks was fixed w.r.t bitcell, hence more rigorous planning was required
  • Physical Verification checks like DRC/LVS/Antenna use to consume more time in lower nodes
  • Estimating the area, ensuring proper placement,power connections & critical signal routings

Analog IP layout development

Smartplay Technologies
08.2014 - 12.2015
  • To work on Analog layouts like RCOMP.
  • DRC/LVS/Antenna and other physical verification checks
  • Used industry standard tools like Cadence/Mentor flow at Intel.
  • Guiding a set of Juniors .DRC errors
  • Process: Intel 14nm
  • Challenges:
  • Designing with proper clones and & taking account of all flows that needs to be clean while designing to avoid major do-over.
  • The area of the memory sublocks was fixed w.r.t bitcell, hence more rigorous planning was required
  • Intel Process was quite different as compared with TSMC process, hence it required some time to get acquainted with the process
  • Physical Verification checks like DRC/LVS/Antenna Estimating the area, ensuring proper placement,power connections & critical signal routings

Memory/ Analog IP layout development

IBM India PVT Ltd
05.2008 - 10.2012
  • To work on Analog layout of subblocks like BGR, OPAMP etc..
  • To work on custom memories(hand tiled)
  • To work on compiler & Register file memories
  • DRC/LVS/Meth/Antenna and other physical verification checks
  • Process: IBM 45nm, 32nm & 22nm SOI process
  • Challenges:
  • Designing with proper clones and & taking account of all flows that needs to be clean while designing to avoid major do-over.
  • The area of the memory sublocks was fixed w.r.t bitcell, hence more rigorous planning was required
  • Matching was a challenge as it used to consume lot of area
  • Physical Verification checks like DRC/LVS/Antenna Estimating the area, ensuring proper placement,power connections & critical signal routings

Analog IP layout development

Sasken India PVT Ltd
07.2007 - 04.2008
  • To work on Analog layout of subblocks of BGR, OPAMP & LDOetc..
  • DRC/LVS/Meth/Antenna and other physical verification checks
  • Process: TSMC 65nm
  • Challenges:
  • Layout design, taking into account of all flows that needs to be clean while designing to avoid major do-over.
  • Physical Verification checks like DRC/LVS/Antenna Estimating the area, ensuring proper placement,power connections & critical signal routings

Education

Coventry
Coventry UK

Skills

  • Cadence Virtuoso Virtuoso XL, GXL modgen, EAD for layout editing
  • Mentor Calibre, Assura, Synopsys ICV for DRC/LVS/ERC/PEX/Antenna

Timeline

Sensor Unit Chip IP Layout Development

Accenture India Pvt Ltd
04.2024 - Current

Power IP Layout Development

Accenture India Pvt Ltd
04.2024 - Current

DAC IP development

Insemi technologies
11.2023 - 04.2024

Analog & Memory layout

Exiger Technologies
01.2023 - 11.2023

Analog Audio IP layout development

SmartSoc technologies
12.2022 - 01.2023

IP layout development

Rakiya Information Technologies
01.2016 - 06.2021

IP layout development of Memory & Analog

Karmic India PVT Ltd
08.2014 - 12.2015

Analog IP layout development

Smartplay Technologies
08.2014 - 12.2015

Memory/ Analog IP layout development

IBM India PVT Ltd
05.2008 - 10.2012

Analog IP layout development

Sasken India PVT Ltd
07.2007 - 04.2008

Coventry
sharath seshadri