16 Oct
|
Larsen and Toubro
|
India
16 Oct
Larsen and Toubro
India
Location: Bangalore, India | Company: LTSCT — L&T; Semiconductor Technologies Limited Reporting To: Chandra — Senior Architect, DC HW Systems | Experience: 10+ years (mandatory) Role Summary The Physical Design Lead owns the loop from architecture to silicon realization for the full xPU SiP.
You will drive floorplanning, place-and-route, physical verification, timing closure, and signoff across ~800mm² chiplets on TSMC 2nm, acting as the primary bridge between the front-end architecture team and the backend PD organization.
This is a hands-on leadership role accountable for delivering manufacturable, timing-clean, power-productive physical databases for tapeout.
Key Responsibilities •Own full-chip and block-level floorplanning strategy for ~800mm² 2nm compute chiplets, including power grid planning, macro placement, and partitioning of dual BFOS arrays, SRAM banks, and NoC planes. • Drive place-and-route, clock tree synthesis, and congestion/utilization optimization to meet 2 GHz operating frequency targets. • Lead static timing analysis and timing closure across all corners, modes, and PVT conditions, resolving setup/hold, cross-talk, and signal-integrity violations. • Own physical verification signoff — DRC, LVS, antenna, ERC, and DFM — and drive clean handoff to the foundry for tapeout. • Manage power integrity (IR-drop, EM) and thermal-aware placement for high-density PE arrays operating at datacentre power envelopes. • Coordinate chiplet-level physical partitioning with UCIe PHY placement and interposer/advanced-packaging constraints. • Define and enforce PD methodology, flows,
and QoR metrics; mentor the backend PD team and interface daily with architecture, DFT, and packaging teams. • Track schedule, resources, and tapeout readiness, escalating risks and driving cross-functional closure.
Required Skills & Experience • 10+ years of hands-on physical design experience with at least one large SoC/chiplet taped out at an advanced node (7nm/5nm/3nm; 2nm exposure strongly preferred). • Deep expertise in floorplanning, P&R;, and timing closure for multi-million-instance, GHz-class designs. • Mastery of industry PD flows and tools (Synopsys Fusion Compiler/ICC2, Cadence Innovus, Prime
Time, StarRC, Calibre/PVS). • Strong command of STA concepts — multi-corner multi-mode, OCV/AOCV/POCV, CPPR, and constraint (SDC) development. • Hands-on experience with physical verification signoff (DRC/LVS/antenna) and foundry tapeout handoff. • Solid understanding of power integrity (IR/EM), low-power design (UPF/CPF, multi-voltage, power gating), and clock architecture. • Experience with advanced-packaging and chiplet flows (2.5D/3D, interposers, UCIe PHY integration) is a strong plus. • Proficiency in Tcl/Python scripting for flow automation and QoR analysis. • Proven ability to lead and mentor backend teams and to bridge architecture-to-implementation. • Excellent problem-solving, communication, and cross-functional collaboration skills.
Preferred Qualifications • Experience taping out AI accelerator, HPC, or datacentre-class silicon. • Exposure to TSMC 2nm (N2) design rules and PDK. • Familiarity with HBM controller/PHY physical integration. • M.
Tech/MS in EE/ECE or equivalent.
📌 Physical Design (PD) Lead (India)
🏢 Larsen and Toubro
📍 India