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Memory Senior Circuit Engineer

Silvaco · Hai Chau, Da Nang, Vietnam

Other EngineeringExternal listingfull-timeabout 2 hours ago

About The Role

Circuit Design & Implementation  

  • Design and own memory circuit blocks at transistor level — row/column decoders, wordline drivers, pre-charge, sense amplifiers, write drivers, self-timed replica/tracking paths, control logic, level shifters, and IO — to the performance, power, and area targets defined in the specification. 
  • Support instance and compiler development : implement and update designs so they remain correct and margin-clean across the configuration range of the compiler. 
  • Execute ECOs and design changes for device sizing, connectivity, and margin fixes, and drive them through to clean re-verification. 
  • Own a complete memory instance or compiler sub-family end to end, including its architecture choices, margin strategy, and PPA trade-offs. 

Simulation & Verification  

  • Run pre- and post-layout SPICE simulation across all required PVT corners; verify function, timing, power, and leakage against specification. 
  • Perform margin and statistical analysis — Monte-Carlo, bitcell read/write/hold margin, sense-amplifier offset, VMIN and retention analysis — and document the results for design review. 
  • Close post-layout issues with the Layout team: parasitic impact, EMIR violations, coupling, and power-integrity findings. 
  • Debug design mismatches and drive root-cause analysis together with the Modeling, Layout, and CAD teams. 
  • Define the verification and corner strategy for the blocks under ownership, and review the simulation work of other engineers. 

Automation & Methodology  

  • Develop scripts and automation (Perl/Python/TCL/Shell/SKILL) to accelerate simulation, data collection, and regression tasks, and integrate them within the memory compiler / view-generation environment. 
  • Follow and contribute to the design checklists, review gates, and sign-off criteria used by the Memory team. 
  • Introduce and implement methodology improvements that enhance design quality and overall team efficiency. 

Collaboration & Support  

  • Work in close cooperation with Memory Layout, Modeling, DFT, Physical Design, and STA teams to deliver on time and according to required specifications, and escalate technical risks early. 
  • Generate the required documentation , support characterisation and silicon correlation, and contribute to the validation and debugging of fabricated silicon. 
  • Participate actively in design reviews — present your own work, and give and receive technical feedback constructively. 
  • Provide mentorship and technical guidance to junior circuit engineers and interns. 

Essential Requirements  

  • BS/MS in Electronics Engineering, Telecommunications, Microelectronics, Computer Engineering, Physics, or a related field. 
  • Minimum 4 years of hands-on custom/analog circuit design experience for IC or IP design
  • Proficient in schematic capture (Cadence Virtuoso or equivalent). 
  • Proficient with spice simulators (hspice, spectre or equivalent) and multi-corner PVT simulation. 
  • Working knowledge of statistical analysis for circuit design: Monte-Carlo, process variation, margin and yield concepts. 
  • Experience with post-layout simulation, parasitic extraction, and basic EMIR analysis. 
  • Experience with FinFET or advanced planar technologies. 
  • Strong scripting/programming skills (Perl, Python, TCL, Shell) on Unix/Linux. 
  • English Language Proficiency: Fluency, written and verbal. 
  • Strong communication, analytical, and problem-solving skills. 

Desirable Requirements  

  • Direct experience on embedded memory (SRAM, DPRAM, ROM, Register File, or TCAM)
  • Master’s degree in Electronics / Microelectronics Engineering. 
  • Hands-on experience with memory compilers and view-generation flows. 
  • Understanding of memory bitcell behaviour and assist techniques (wordline boost, negative bitline, VDD collapse). 
  • Familiarity with CCS/NLDM characterisation, Liberty (.lib) model generation, and SPICE correlation, or with DFT/MBIST for memories. 
  • Understanding of memory architectures (SRAM/ROM/Register File), RTL modelling (Verilog, VHDL, Verilog-A), and STA concepts. 
  • Knowledge of functional safety (ISO 26262) and quality (ISO 9001) processes. 

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