Digital Design Collage

From complex, high speed designs such as OC-192 line cards, to simpler products such as microcontroller based interface cards, Plexus digital engineers have the skills, tools and experience to implement your board level solutions. Our rigorous, yet flexible design process reduces total project cost, promotes first pass success and ensures product performance requirements are met by taking into account a variety of considerations, such as thermal, EMC, agency approval, timing analysis, and signal integrity.

Design Capabilities
  • Experience with a wide range of embedded processors including PowerPC, x86, PIC, HC05/11, and DSPs
  • High speed parallel interfaces including DDR, DDR2, QDR, QDR2, and PCI-X.
  • High speed serial interfaces including PCI Express, HyperTransport, Rapid IO, and Fibre Channel
  • RoHS/WEEE Compliant Board Design
  • Part Obsolescence Redesign

Design Tools
  • Cadence Design Entry HDL (Concept)
  • Cadence Design Entry CIS (OrCad)
  • Mentor DxDesigner (ViewDraw)
  • Mentor Design Architect
  • Mentor Design Capture
  • Chronology Timing Designer

Digital Chip Design

Plexus has a wide range of experience in chip design from small CPLDs (Xilinx Coolrunner, Altera MAXII, etc.) to large multi-million gate FPGA designs. We design with all the major vendors and support their tools including: Altera, Xilinx, Lattice, Actel, and QuickLogic. Plexus has also designed a number of gate array and standard cell ASICs from a variety of vendors including NEC, LSI, and Toshiba. Key partnerships further extend our service offering.

Digital Chip Design   Digital Chip Design

Design Capabilities
  • Verilog, VHDL, and Mixed Language Designs
  • SystemC and SystemVerilog for Verification
  • Assertions: PSL, SystemVerilog Assertions, and OVLs
  • Coded to Plexus standards or customer standards
  • Embedded Microprocessors including NIOS II, MicroBlaze, ARM, and PowerPC
  • Internal Clock Rates of 400 MHz and Greater
  • High Speed DDR, QDR, and PCI X Interfaces
  • 3.125 Gigabit SERDES
  • SPI-3 and Hypertransport Interfaces
  • PCI Express Core

Design Tools
  • Mentor HDL Designer
  • ModelTechnlogy ModelSim
  • Synplicity Synplify
  • Mentor Graphics Precision Synthesis
  • Various vendor supplied synthesis and place and route tools.

Partners
  • Altera Certified Design Center and AMPP Partner
  • Xilinx XPert Partner

Signal Integrity Analysis

With today's high speed designs, signal integrity analysis is becoming an essential part of the board design process. Based on edge rates and topology, Plexus digital engineers determine what level of SI analysis is necessary to assure first pass success of your design.

Signal Integrity Analysis

Design Capabilities
  • Prelayout Simulations
  • PCB materials, stackup, placement, and routing guidelines
  • Post-route simulation
  • Crosstalk and Reflection Analysis
  • Board Level Crosstalk/EMI Analysis

Design Tools
  • Cadence SigExplorer and Specctraquest
  • Mentor Graphics HyperLynx
  • HSPICE
  • Ansoft HFSS
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