Summary
Overview
Work History
Education
Skills
Timeline
Generic

Saurabh Kalambe

Physical Design Engineer
Bangalore

Summary

Well versed with ASIC design flow (RTL to GDSII). Understanding of inputs and outputs of all the stages involved in physical design flow (APR). Efficient in timing-aware and congestion-driven macro placement during Floor Planning. Power planning with IR drop and EM analysis. Placement of core logic, Clock Tree Synthesis (CTS), Routing, and finding timing exceptions at each stage. Static Timing Analysis (STA): Knowledge in interpreting timing reports, fixing Setup and Hold violations, effects of clock skew on timing, and timing analysis of latches. Identifying and constraining timing paths, analyzing timing under various PVT corners, OCV, False Paths, Half-cycle paths, MCMM, and CRPR. Fair knowledge of Signal Integrity (SI) issues like Crosstalk. Reliability issues like Electromigration and Antenna effect. Hands-on experience with EDA Tools: APR - Synopsys ICC, STA - Synopsys PrimeTime. Analyzing and understanding of Linux shell and TCL.
Aware of different files: Lib, DEF, LEF, SDC, and SPEF. Comprehensive knowledge of VLSI fundamentals, CMOS theory, Network Analysis, and Logic Design.

Overview

5
5
years of professional experience
10
10
years of post-secondary education

Work History

Associate Staff Engineer

Samsung Semiconductor India Research
Bangalore
01.2023 - Current
  • Established Perforce-based synthesis and PNR flows for sub-Samsung 5nm tech nodes using Genus, DC, and FC tools within PNR team.
  • Enhanced flow to meet user requirements, optimizing settings across all stages.
  • Managed power plan scripts and implemented efficient clock spine methodologies.
  • Excelled in troubleshooting unique design issues, collaborating with tool vendors for resolutions when necessary.
  • Oversaw various other flows, including Formality, VCLP, and LDRC.

ASIC Digital Design Engineer II

Synopsys
Noida
03.2022 - 01.2023
  • Crafted end-to-end flows, spanning floorplan to GDSII, for Test Chip team, utilizing Synopsys tools including library compiler, library manager, FC, ICC2, Formality, PT, and ICV.
  • Utilized diverse Synopsys tools to generate essential NDMs, manage design, and handle technology-specific aspects.
  • Made critical decisions on block shapes, sizes, and port locations, while managing constraint updates, uncertainties, and MMMC setup.
  • Crafted precise power plan scripts tailored to design needs, ensuring accurate clock tree propagation with optimal skew and latency values.
  • Enhanced PPA metrics and resolved DRC and LVS issues by configuring router settings to align with design requirements.
  • Overcame challenges including clock and data DRV, timing closure in diverse corners, and LEC for IPs like GPIOs and test chips.
  • Successfully delivered IPs/Test chips for Global Foundries (22nm) and Intel (14nm), showcasing adaptability and expertise.

Physical Design Engineer

Signoff Semiconductors
Bangalore
12.2018 - 03.2022
  • Successfully managed end-to-end taping out of high-frequency graphic blocks for AMD, encompassing floor plan conception to GDSII realization.
  • Handled intricate blocks with multi-million instances and macro counts ranging from 32 to 114.
  • Worked with multi clock designs of 2-4, spanning high-frequency designs from 2.6GHz to 3.6GHz, within metal layers up to M11.
  • Achieved initial utilization rates of 70% to 75% for TSMC technology nodes including 7nm, 5nm, and 3nm.
  • Enhanced floorplans iteratively based on meticulous timing and congestion analysis at each stage.
  • Employed advanced techniques like MB flop de-banking, judicious group pathing, higher metal layer routing, and congestion reduction methods.
  • Proficiently resolved MMMC timing violations, managed clock and data DRVs, and addressed complex issues including shorts, opens, DRCs, crosstalk, and IR/EM concerns through efficient ECOs.
  • Utilized multiple tools including ICC2, FC, Calibre, and PT.
  • Contributed significantly to R&D projects including the Shrink Tile Experiment and Merge Tile Experiment for pre-taped out block convergence.
  • Actively participated in the Library Validation R&D project, integrating standard cell libraries into PNR runs, analyzing their impact on key metrics.
  • Provided insightful feedback to standard cell design team, contributing to continuous library refinement.

Education

M.tech - . Microelectronics.

BITS
Pilani
01.2021 - 01.2023

B.tech - Electronics Engineering

University of Mumbai
Thane
07.2014 - 08.2017

Diploma - Electronics

Maharashtra State Board of Technical Education
Navi Mumbai
06.2010 - 01.2014

S.S.C -

Maharashtra State Board
Thane
06.2009 - 06.2010

Skills

TCL scripting

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Timeline

Associate Staff Engineer

Samsung Semiconductor India Research
01.2023 - Current

ASIC Digital Design Engineer II

Synopsys
03.2022 - 01.2023

M.tech - . Microelectronics.

BITS
01.2021 - 01.2023

Physical Design Engineer

Signoff Semiconductors
12.2018 - 03.2022

B.tech - Electronics Engineering

University of Mumbai
07.2014 - 08.2017

Diploma - Electronics

Maharashtra State Board of Technical Education
06.2010 - 01.2014

S.S.C -

Maharashtra State Board
06.2009 - 06.2010
Saurabh KalambePhysical Design Engineer