Product Specification
The XC3S100E-VQG100I is a high-performance FPGA (Field-Programmable Gate Array) from Xilinx’s Spartan-3E family, designed for cost-sensitive applications requiring moderate logic density and versatile I/O capabilities. This industrial-grade device operates reliably across extended temperature ranges, making it ideal for demanding embedded applications.
Key Technical Specifications
Logic Capacity & Architecture:
- System gates: 100,000 equivalent gates
- Logic cells: 2,160 configurable logic blocks
- Distributed RAM: 15 Kbits
- Block RAM: 72 Kbits organized in four 18-Kbit blocks
- Dedicated multipliers: Four 18×18 hardware multipliers
Memory & Processing:
- Total equivalent gate count provides substantial logic resources for mid-range applications
- Dual-port block RAM supports simultaneous read/write operations
- Distributed SelectRAM+ offers flexible memory implementation
- Built-in multiplication capability reduces external component requirements
Package & I/O Configuration:
- Package type: 100-pin Very thin Quad Flat Pack (VQFP)
- Maximum user I/O pins: 66 differential pairs
- Voltage standards: Supports multiple I/O standards including LVTTL, LVCMOS, and differential signaling
- Pin pitch: 0.5mm for compact board layouts
Operating Conditions:
- Temperature range: Industrial grade (-40ยฐC to +100ยฐC)
- Supply voltage: 1.2V core, 2.5V/3.3V I/O
- Power consumption: Optimized for low-power applications
- Speed grades: Multiple options available for timing-critical designs
Price
Current Market Pricing
The XC3S100E-VQG100I pricing varies based on quantity, supplier, and market conditions. Based on current market data:
Typical Price Ranges:
- Single unit pricing: $6.62 to $19.74 XC3S100E-4VQG100C Xilinx Inc. | Integrated Circuits (ICs) | DigiKey
- depending on distributor and speed grade
- Volume discounts available for quantities over 100 units
- Development board alternatives: $49.00 to $59.98 XC3S100E-4VQG100C Xilinx Inc. | Integrated Circuits (ICs) | DigiKey
- for evaluation platforms
Pricing Factors:
- Industrial temperature grade (-I suffix) commands premium over commercial grade
- Lead times may affect pricing during supply constraints
- Authorized distributors typically offer better warranty and support
- Bulk pricing schedules provide significant cost savings for production volumes
Cost Optimization Tips:
- Compare multiple authorized distributors for best pricing
- Consider forecasting requirements for volume pricing tiers
- Evaluate pin-compatible alternatives within the Spartan-3E family
- Plan for obsolescence management as newer FPGA families become available
Documents & Media
Official Documentation
Datasheet & Technical Reference:
- Complete datasheet with electrical specifications and timing parameters
- Pin configuration and package drawings for PCB layout design
- DC and AC electrical characteristics across temperature ranges
- Power consumption analysis and thermal management guidelines
Design & Programming Resources:
- Spartan-3E FPGA User Guide with architecture overview
- Configuration user guide for programming and startup sequences
- Packaging and pinout specifications for mechanical design
- Memory interface guidelines for external memory connections
Development Tools & Software
Xilinx ISE Design Suite:
- Synthesis, implementation, and programming tools
- Timing analysis and constraint management
- Simulation capabilities with ModelSim integration
- ChipScope Pro for real-time debugging and analysis
IP Core Library:
- Pre-verified intellectual property blocks
- Memory controllers and interface implementations
- DSP and communication protocol stacks
- Customizable cores for rapid development
Application Notes & Design Examples
Reference Designs:
- Communication interface implementations (UART, SPI, I2C)
- Memory controller examples for DDR and SRAM
- Digital signal processing applications
- Power management and clock distribution strategies
Best Practices Documentation:
- PCB layout guidelines for signal integrity
- Thermal design considerations for industrial applications
- EMI/EMC compliance strategies
- Design for testability recommendations
Related Resources
Development Platforms
Evaluation Boards:
- Spartan-3E Starter Kit for rapid prototyping
- Third-party development boards with XC3S100E-VQG100I
- Custom carrier boards for specific application domains
- Educational platforms for FPGA learning and training
Compatible Components
Memory Interfaces:
- DDR SDRAM controllers for high-bandwidth applications
- SRAM interfaces for low-latency memory access
- Flash memory programming for configuration storage
- FIFO implementations for data buffering
Communication Protocols:
- Ethernet MAC implementations for networking applications
- USB interface controllers for PC connectivity
- Serial communication protocols (RS-232, RS-485)
- Wireless communication interfaces (SPI-based RF modules)
Software Ecosystem
Design Entry Options:
- VHDL and Verilog HDL support for traditional RTL design
- Schematic entry for hierarchical design capture
- High-level synthesis tools for C-based development
- IP integrator for system-level design assembly
Simulation & Verification:
- ISim simulator for functional verification
- Third-party simulator support (ModelSim, QuestaSim)
- Constraint validation and timing analysis tools
- Hardware-in-the-loop testing capabilities
Migration Paths
Family Compatibility:
- Migration guidelines to newer Spartan-6 family devices
- Pin compatibility analysis for hardware reuse
- Performance comparison tools for upgrade planning
- Legacy design conversion utilities
Environmental & Export Classifications
Environmental Compliance
RoHS Compliance:
- Lead-free package construction meeting RoHS directives
- Halogen-free options available for environmentally sensitive applications
- REACH regulation compliance for European markets
- Environmental product declarations available upon request
Operating Environment:
- Industrial temperature range: -40ยฐC to +100ยฐC junction temperature
- Humidity resistance per JEDEC standards
- Vibration and shock tolerance for mobile applications
- Altitude and atmospheric pressure specifications
Export Control & Trade Compliance
Export Administration Regulations (EAR):
- Export Control Classification Number (ECCN) designation
- Technology transfer restrictions and licensing requirements
- Country-specific export limitations and embargoed destinations
- Re-export control obligations for international distribution
Trade Compliance:
- Country of origin marking requirements
- Customs classification codes for international shipping
- Trade agreement preferential treatment eligibility
- Supply chain security and conflict minerals reporting
Quality & Reliability Standards
Manufacturing Standards:
- ISO 9001 certified manufacturing facilities
- Automotive quality standards (AEC-Q100) compliance available
- Military and aerospace standards for high-reliability applications
- Statistical quality control and reliability testing data
Product Lifecycle Management:
- Product change notification procedures
- End-of-life planning and migration support
- Long-term availability programs for critical applications
- Obsolescence management and last-time-buy notifications
The XC3S100E-VQG100I represents an excellent balance of performance, cost, and reliability for industrial FPGA applications. Its robust feature set, comprehensive development ecosystem, and industrial-grade specifications make it an ideal choice for demanding embedded systems requiring programmable logic capabilities.
