Mixed-Signal DFT Engineer

Renesas Electronics America-posted 3 months ago
Remote • Austin, TX
5,001-10,000 employees
Computer and Electronic Product Manufacturing
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As part of Renesas's Infrastructure Power Business, you will contribute to the development of our next-generation digital power management ICs. These are mixed-signal, MCU-based SOC designs that power cloud computing in the datacenter. We are seeking a Mixed-Signal DFT Engineer to ensure efficient, high-coverage, testability for analog and mixed-signal designs.

  • Own the test plan for all analog and mixed signal content
  • Ensure integrity in observability and controllability of each design block to/from the pins of the part
  • Ensure all blocks can be tested in a timely manner
  • Ensure as many blocks as possible can be tested in parallel on-chip with minimal tester interaction
  • Ensure calibration and trim routines can be efficiently generated
  • Create definitions and procedures for block testing that can be used for ATE test generation
  • Specify test, trim and calibration requirements for analog circuits blocks such as PLLs, DLLs, ADCs and DAC's
  • Test interfaces
  • Logic controls
  • Self-test and firmware-based test routines
  • Modify block schematics and behavioral models as needed to implement testability features
  • Write Firmware to exercise test routines
  • Simulate test routines to demonstrate adherence to parametric block specs with process, voltage, temperature variations and noise
  • Bench testing of test patterns and firmware prior to transfer to ATE
  • Coordinate with other Engineering disciplines
  • Design to ensure DFT approach is effective and efficient (silicon area cost < test time savings)
  • Firmware to ensure trim procedures can be efficiently uploaded and run at test
  • Verification to ensure all functions and trims can be tested using firmware/DFT test modes
  • ATE Test to ensure all test hardware requirements are correct and up to date, and to ensure that DFT simulations are easily transferable to ATE methods
  • SystemVerilog
  • Cadence Virtuoso
  • Working understanding of C/C++ programming experience for microcontrollers
  • Fundamental understanding of mixed-signal design blocks: ADC's/DAC's, etc
  • Understanding of ATE test time costs and hardware/tester limitations
  • Familiarity with Firmware, ATE program structure and capabilities is a plus
  • Familiarity with Lab/bench validation
  • Flexible and inclusive work environment
  • Remote work option
  • Employee Resource Groups
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