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DFT (Design-for-Test) and Verification are two distinct career paths within the VLSI industry.
DFT engineers are responsible for designing and implementing the necessary test structures and logic to ensure that manufactured chips meet the required quality and reliability standards. They work closely with the design team to develop test strategies and integrate the necessary test structures into the chip design. DFT engineers use tools and techniques such as scan insertion, boundary scan, and memory built-in self-test (BIST) to enable efficient testing of the chip.
On the other hand, verification engineers are responsible for ensuring that the chip design is functionally correct and meets the specified requirements. They work closely with the design team to develop testbenches and verify the functionality of the chip at various levels of abstraction, including RTL (Register Transfer Level), gate-level, and system-level. Verification engineers use simulation, formal verification, and emulation techniques to validate the chip design and identify and debug any functional issues.
While DFT engineers focus on ensuring the testability and reliability of the chip, verification engineers focus on ensuring that the chip performs as expected and meets the functional requirements. The two career paths require different skill sets and expertise. DFT engineers need to have a strong understanding of digital design and test structures, while verification engineers need to have a strong understanding of digital design, verification methodologies, and programming languages such as SystemVerilog or UVM.
For more detail VLSI Job Domains please see : HERE
For an obverview of the all VLSI job roles see : HERE
In summary, while both DFT and Verification are critical aspects of chip design, they represent distinct career paths within the VLSI industry with different skill sets and responsibilities.
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