
Custom Circuits Design Engineer
Required skills
- ASIC
- custom digital megacells
- high performance
- low power SOC
- power efficiency
- modeling
- simulation
- circuit level specifications
- schematic capture
- spice simulation
Nice to have
- Machine learning accelerators
- SRAM circuits
- non-volatile memories
- ultra-low power amplifiers
- DC/DC converters
- digital on-chip sensors
Role summary
We are seeking a Custom Circuits Design Engineer to join our Digital group, focusing on designing state-of-the-art ASICs. You will be responsible for developing custom digital megacells, including SRAM memories, on-chip sensors, and ML accelerators, for high-performance, low-power SOCs. Your role will involve design, analysis, modeling, simulation, schematic capture, verification, and silicon bring-up, collaborating with power teams, PD, architects, and layout teams. The ideal candidate will have a BS degree and at least 3 years of relevant industry experience, with a strong understanding of device physics, low-power design techniques, and scripting languages.
Description
Imagine yourself at the center of our SOC design effort, collaborating with all fields, with a critical impact and playing a strategic role of getting functional products to millions of customers quickly. You will have the opportunity to integrate and come-up with new ideas, as well as work with a team of hardworking engineers. You will perform the following - - Develop custom circuits to improve chip power efficiency. - Work with power team, PD and architects to define specifications and requirements - Perform design, analysis, modeling/simulation, circuit level specifications, schematic capture, spice simulation / margin verification across PVT, statistical design, functional verification and silicon bring up. - Work closely with layout team to complete the design and oversee the layout quality. - Develop / drive circuit methodology to achieve the highest design quality metrics.
Minimum Qualifications
BS and a minimum of 3 years of relevant industry experience
Preferred Qualifications
We are looking for applicants with design experience in advanced technology nodes. - Experience in design of low voltages / low power custom circuits. - Experience in one or multiple of the following areas is highly desirable: Machine learning accelerators, SRAM circuits, non-volatile memories, weak / moderate inversion circuits, ultra-low power amplifiers, DC/DC converters, digital on-chip sensors, high speed clocking, time to digital converters (TDCs). - Deep understanding of deep submicron device physics, leakage mechanisms, technology interactions with device behavior. - Solid understanding of device matching, device noise sources (1/f, thermal), extrinsic noise sources (supply, jitter), and their impact on high precision circuit. - Ability to conduct experiments during silicon debug, gathering and analyzing data; and utilize scripting to support efficient handling of ATE data. - Familiar with mixed signal verification and behavioral models for mixed signal blocks. - Proficiency in scripting languages (Python /Perl or others) and CAD automation tools. - Knowledge of industry standard circuit and design tools.
Sample Apple interview questions
- 1
Design a typeahead box for a search engine
system designmedium - 2
Design a rate limiter
system designmedium - 3
Architect a key-value store for distributed systems.
system designmedium - 4
Design a system to schedule jobs in a distributed environment
system designmedium - 5
What is an API and how does it work?
technicalmedium
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