
STA & Custom Logic Design Engineer
Required skills
- timing analysis
- custom logic design
- analog/mixed-signal circuits
- silicon IPs
- verification
- SPICE models
- worst-case corner selection
- setup/hold time calculation
- POCV
- timing constraints
Nice to have
- NanoTime
- PrimeTime
- Tempus
- SRAM design
- SDC constraints
- noise glitch
Role summary
Apple is seeking a self-motivated Custom Logic Design and STA Engineer to join their Analog/Mixed Signal Design team. This role involves performing timing analysis on custom design circuits, delivering timing views, and developing custom logic designs within analog/mixed-signal circuits. You will collaborate closely with design engineers and cross-functional teams on leading-edge technology to optimize performance and build best-in-class mixed-signal designs for Apple's world-class products. The ideal candidate will have a solid understanding of timing analysis concepts and a strong track record of delivering silicon IPs.
Description
In this role, you will perform timing analysis on custom design circuits, delivery timing views to integration teams, as well as develop custom logic design in analog/mixed-signal circuits. You will work closely with custom design engineers, and cross-functional teams at the silicon and module levels.
Minimum Qualifications
BS and a minimum of 10 years relevant industry experience. Solid understanding of timing analysis concepts such as setup/hold time calculation, POCV on timing paths, timing constraints, transistor-level delay characterization, rise/fall time balancing, etc. Experience of timing analysis and verification in high-speed design such as SerDes and ADC. In-depth knowledge and analytical understanding of mixed-signal design techniques. Strong track record of delivering silicon IPs with design and verification. Proficiency in circuit modeling and simulation, including SPICE models and worst-case corner selection.
Preferred Qualifications
Master’s Degree with 8+ years of relevant industry experience. Experience with STA tools such as NanoTime, PrimeTime, or Tempus. Experience in analog/mixed-signal circuit design from architecture to fundamental implementation. Experience in SRAM design. Experience in timing / SDC constraints generation and management. Good understanding of tool algorithms for noise glitch, cross-talk delay, and margining with POCV. Proficiency in scripting languages (Python, Tcl or Perl).
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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