John Grinnell
Sr Verification Engineer at Empower Semiconductor- Claim this Profile
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Bio
Bob Ledzius
John worked on a project of mine requiring automatic frequency domain verification capabilities for a highly configurable new design. John's dedication and commitment to the project ensured first time sampled silicon success for this highly complex design, and helped me to develop my thoughts regarding the value of verification driven design. On this project his hard work and dedication was critical to the projects success!
Bob Ledzius
John worked on a project of mine requiring automatic frequency domain verification capabilities for a highly configurable new design. John's dedication and commitment to the project ensured first time sampled silicon success for this highly complex design, and helped me to develop my thoughts regarding the value of verification driven design. On this project his hard work and dedication was critical to the projects success!
Bob Ledzius
John worked on a project of mine requiring automatic frequency domain verification capabilities for a highly configurable new design. John's dedication and commitment to the project ensured first time sampled silicon success for this highly complex design, and helped me to develop my thoughts regarding the value of verification driven design. On this project his hard work and dedication was critical to the projects success!
Bob Ledzius
John worked on a project of mine requiring automatic frequency domain verification capabilities for a highly configurable new design. John's dedication and commitment to the project ensured first time sampled silicon success for this highly complex design, and helped me to develop my thoughts regarding the value of verification driven design. On this project his hard work and dedication was critical to the projects success!
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Credentials
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Computational Neuroscience
CourseraJun, 2013- Sep, 2024
Experience
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Empower Semiconductor
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United States
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Semiconductor Manufacturing
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1 - 100 Employee
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Sr Verification Engineer
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Sep 2020 - Present
Perform functional verification on power management products. - Block-level and top-level verification - Constrained random testbenches - SystemVerilog assertions - Coverage analysis Perform functional verification on power management products. - Block-level and top-level verification - Constrained random testbenches - SystemVerilog assertions - Coverage analysis
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TDK InvenSense
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United States
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Semiconductor Manufacturing
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500 - 600 Employee
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Verification Engineer, Senior Staff
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Feb 2018 - Dec 2019
Perform functional verification on motion sensor products for smartphones. Perform functional verification on motion sensor products for smartphones.
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Qualcomm
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United States
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Telecommunications
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700 & Above Employee
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Design Verification Engineer
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Oct 2015 - Dec 2017
Performed functional verification on mixed-signal touch screen controller products. Performed functional verification on mixed-signal touch screen controller products.
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Maxim Integrated
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United States
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Semiconductor Manufacturing
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700 & Above Employee
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Functional Verification Consultant
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2011 - 2014
Performed functional verification on several touch screen controller projects. Made extensive use of real value modeling using Verilog-AMS, SystemVerilog, assertions, and constrained random testbenches. Implemented custom SystemVerilog and Verilog-AMS schematic netlisters to support full-chip mixed signal simulation using a digital simulator. Performed functional verification on several touch screen controller projects. Made extensive use of real value modeling using Verilog-AMS, SystemVerilog, assertions, and constrained random testbenches. Implemented custom SystemVerilog and Verilog-AMS schematic netlisters to support full-chip mixed signal simulation using a digital simulator.
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Maxim Integrated Products
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United Kingdom
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Consumer Goods
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1 - 100 Employee
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Principle Member of Technical Staff
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2000 - 2010
.Functional Verification – Verification planning, testbench implementation, design debug, coverage analysis, regression flows, data management. • Microcontrollers, CODECs, SAS expanders, and telecom products. • Implemented digital and mixed-signal simulation methodologies. • Promoted use of SystemVerilog within the company. Prepared training material, conducted training sessions, and provided tool support. Software Development - Developed and supported a platform design system for a TTA-based microcontroller. This included developing a proprietary design language and writing its corresponding parser. This became the standard design methodology for implementing MaxQ-based System-on-Chip products. Show less
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University of Texas at Dallas
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United States
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Higher Education
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1 - 100 Employee
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Adjunct Lecturer - Electrical Engineering
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2000 - 2003
Created and taught graduate courses in Design Automation and Functional Verification during three summer semesters. Created and taught graduate courses in Design Automation and Functional Verification during three summer semesters.
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Cyrix
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Denmark
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Software Development
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1 - 100 Employee
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Senior Engineer
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1998 - 1999
Primary resource for Cadence dfII tool support and verilog netlister flow enhancements. • Coded an Ikos netlister in SKILL. • Implemented an Hspice netlist scaling utility in Perl. • Wrote a cross‐view checker to ensure consistency across various representations of a cell. • Implemented a cell boundary checker using SKILL and Hercules. Primary resource for Cadence dfII tool support and verilog netlister flow enhancements. • Coded an Ikos netlister in SKILL. • Implemented an Hspice netlist scaling utility in Perl. • Wrote a cross‐view checker to ensure consistency across various representations of a cell. • Implemented a cell boundary checker using SKILL and Hercules.
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Software Design Engineer
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Jan 1996 - 1998
Provided EDA tool support to a global design community. Implemented customizations to the Cadence dfII design environment. Focused primarily on backend tools and flows including the layout editor, automatic place and route, and LVS. Provided EDA tool support to a global design community. Implemented customizations to the Cadence dfII design environment. Focused primarily on backend tools and flows including the layout editor, automatic place and route, and LVS.
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Travelers
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Pakistan
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Events Services
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1 - 100 Employee
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Programmer
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1990 - 1991
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Electronic Technician
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1980 - 1982
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Education
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The University of Texas at Dallas
MSEE, Electrical Engineering -
University of South Florida
BSEE