The XC4028EX-2HQ208C is a high-performance Field Programmable Gate Array (FPGA) from Xilinx’s proven XC4000E family, designed to deliver exceptional value for complex digital design applications. This advanced SRAM-based reprogrammable device offers robust functionality with 28,000 gates and sophisticated architectural features that make it ideal for embedded systems, digital signal processing, and custom logic implementations.
1. Product Specifications
Core Architecture Features
- Logic Capacity: 28,000 gates equivalent with 2,432 logic cells
- Family: Xilinx XC4000E Series FPGA
- Technology: Advanced 0.5ยตm three-layer metal CMOS process
- Memory Type: SRAM-based reprogrammable architecture
- Supply Voltage: 5V operation
- Performance: Synchronous system clock rates up to 80 MHz, internal performance exceeding 150 MHz
Package Specifications
- Package Type: 208-Pin HSPQFP EP (Heat Sink Quad Flat Pack with Exposed Pad)
- Temperature Grade: Commercial temperature range (-2 speed grade)
- Pin Count: 208 pins for comprehensive I/O capability
- Mounting: Surface mount technology compatible
Advanced Features
- VersaBlock Logic Module: Flexible configurable logic blocks for optimal resource utilization
- VersaRing I/O Interface: High logic cell to I/O ratio with programmable output characteristics
- Programmable Output Slew-Rate Control: Maximizes performance while reducing system noise
- Zero Flip-Flop Hold Time: Simplifies system timing for input registers
- Rich Interconnect Hierarchy: Enhanced routing resources for complex designs
Development Support
- Design Entry Methods: Full support for ABEL, schematic capture, VHDL, and Verilog HDL synthesis
- Software Tools: Compatible with Xilinx ISE Design Suite and legacy development environments
- Platform Support: Available on popular workstation and PC platforms
- Logic Synthesis: Compatible with existing logic synthesis tools
2. Price Information
Current Market Status: The XC4028EX-2HQ208C is classified as a legacy product with limited new design recommendations. Pricing is available through authorized distributors and component brokers on a quote basis.
Pricing Options:
- Single unit pricing: Available upon request
- Volume pricing: Negotiable based on quantity requirements
- Lead time: Typically 8-10 weeks for new orders
- Availability: Limited stock available through specialized distributors
Cost Considerations:
- Legacy product pricing may vary significantly based on inventory levels
- Alternative newer FPGA families recommended for new designs
- Competitive pricing available for existing design maintenance and production continuation
3. Documents & Media
Technical Documentation
- Product Datasheet: XC4028EX-2HQ208C complete specifications (PDF format)
- Pin Configuration: Detailed pinout diagrams and package drawings
- Application Notes: Design guidelines and implementation examples
- Reference Designs: Sample projects and configuration examples
Software Resources
- Development Tools: Xilinx ISE Project Navigator compatibility guides
- Programming Files: Bitstream generation and device configuration utilities
- Simulation Models: SPICE models and timing simulation files
- User Guides: Step-by-step implementation and troubleshooting documentation
Support Materials
- Evaluation Boards: Compatible development and evaluation platforms
- Design Examples: Reference implementations for common applications
- Migration Guides: Upgrade paths to newer FPGA families
- Technical Support: Access to Xilinx technical support resources
4. Related Resources
Compatible Products
- XC4028EX-4HQ208C: Higher speed grade variant (-4 vs -2)
- XC4028EX-2HQ240C: Alternative 240-pin package option
- XC4028XL Series: Low-power equivalent devices
- XC4025E: Pin-compatible alternative with different capacity
Development Ecosystem
- Xilinx ISE Design Suite: Primary development environment
- Third-Party Tools: Compatible EDA tool support
- IP Cores: Available intellectual property blocks
- Training Resources: Educational materials and certification programs
Application Areas
- Digital Signal Processing: High-performance filtering and processing applications
- Industrial Control: Motor control and automation systems
- Communications: Protocol processing and interface implementations
- Test Equipment: Automated test and measurement solutions
Migration Path
- Modern Alternatives: Recommendations for new designs using current FPGA families
- Upgrade Considerations: Performance and feature comparisons with newer devices
- Design Portability: Guidelines for migrating existing XC4028EX designs
5. Environmental & Export Classifications
RoHS Compliance Status
- RoHS Directive Compliance: Limited compliance information available for legacy products
- Lead Content: Contains lead in package materials (typical for devices manufactured before RoHS implementation)
- Environmental Status: Not recommended for new designs requiring current environmental standards
REACH Regulation
- SVHC Compliance: Substances of Very High Concern assessment required for current shipments
- Registration Status: Legacy product with limited REACH documentation
- Safety Documentation: Material Safety Data Sheets available upon request
Export Control Classification
- ECCN Status: Subject to US Export Administration Regulations
- Country Restrictions: Potential export limitations to certain countries
- Documentation Requirements: Export licenses may be required for specific destinations
- Dual-Use Considerations: Semiconductor technology subject to technology transfer restrictions
Environmental Considerations
- Packaging Materials: Traditional IC packaging with limited recyclability
- End-of-Life: Proper electronic waste disposal recommended
- Halogen Content: May contain halogenated compounds in package materials
- Conflict Minerals: Compliance status available through supply chain documentation
Regulatory Compliance
- CE Marking: European conformity assessment when applicable
- FCC Compliance: Electromagnetic compatibility considerations for RF applications
- Industrial Standards: Compliance with relevant IEC and JEDEC standards
- Quality Systems: Manufactured under ISO 9001 quality management systems
Note: The XC4028EX-2HQ208C is considered a legacy product and is not recommended for new designs. For current projects, consider modern FPGA alternatives that offer improved performance, lower power consumption, and full environmental compliance. Contact authorized Xilinx distributors for availability, pricing, and technical support for existing designs requiring this specific device.
