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Job Title


IO Layout Engineer


Company : ACL Digital


Location : Bengaluru, Karnataka


Created : 2025-12-17


Job Type : Full Time


Job Description

Job Title: IO Layout EngineerExperience: 3+ YearsLocation: BangaloreEmployment Type: Full-timeIndustry: Semiconductors / ASIC / VLSI / IO & ESD DesignJob Summary:We are looking for a highly motivated and experienced IO Layout Engineer to join our custom layout team. The candidate will be responsible for full-custom layout of IO cells, ESD protection structures, and high-voltage interfaces for ASIC/SoC applications in deep submicron and FinFET technologies.Key Responsibilities:- Perform transistor-level custom layout of various types of IO cells including: - Standard IOs (CMOS, LVTTL, LVCMOS, SSTL, HSTL) - High-speed and specialty IOs (DDR, USB, PCIe, HDMI, etc.) - ESD structures, pad rings, and protection circuits - Work closely with IO circuit designers to interpret schematics and design intent. - Ensure robust layout practices for: - ESD compliance - Latch-up prevention - Electromigration (EM) - Voltage isolation and guard ring planning - Ensure layout meets foundry-specific DRC, LVS, and antenna rules. - Run and close physical verification (DRC, LVS, ERC, ANT) using industry-standard tools. - Participate in floorplanning of IO ring and integration with analog/digital blocks. - Coordinate with packaging, ESD, and reliability teams to support silicon tapeout.Required Skills and Experience:- B.E/B.Tech or M.E/M.Tech in Electronics, Electrical Engineering, or VLSI. - 3+ years of hands-on experience in IO and/or ESD layout. - Strong understanding of ESD protection concepts and latch-up avoidance. - Expertise in Cadence Virtuoso for layout design and implementation. - Experience with DRC/LVS tools (Calibre, Assura, PVS). - Familiarity with advanced process technologies (28nm, 16nm, 7nm, FinFET, etc.). - Good knowledge of layout-dependent effects (LDE), IR drop, and reliability constraints. - Attention to detail and strong debugging/problem-solving skills.Preferred Qualifications:- Experience in high-voltage or multi-voltage IO layout (1.8V/3.3V/5V interfaces). - Experience with IO ring planning and integration in complex SoC floorplans. - Familiarity with power grid design, bump/ball map coordination, and ESD co-design. - Scripting experience in SKILL, Tcl, or Python for layout automation.Interested can share Cv to Sharmila.b@