Product Overview
The XC4028EX-3HQ208C is a sophisticated Field Programmable Gate Array (FPGA) from Xilinx’s renowned XC4000E family, designed to deliver exceptional performance and flexibility for complex digital design applications. This SRAM-based reprogrammable device features advanced VersaBlock logic modules and VersaRing I/O interface technology, making it an ideal choice for high-performance embedded systems, telecommunications, and industrial control applications.
1. Product Specifications
Core Features
- Family: Xilinx XC4000E FPGA Series
- Part Number: XC4028EX-3HQ208C
- Logic Capacity: 28,000 system gates
- Logic Cells: 1,936 configurable logic blocks
- Speed Grade: -3 (high-performance grade)
- Package Type: 208-pin Heat Sink Quad Flat Pack (HQ208C)
- Process Technology: 0.5ฮผm three-layer metal CMOS
- Supply Voltage: 5V ยฑ5%
- Operating Temperature: Commercial (0ยฐC to +70ยฐC)
Architecture Specifications
- VersaBlock Logic Module: Advanced configurable logic blocks with enhanced functionality
- VersaRing I/O Interface: High-performance I/O architecture supporting up to 208 I/O pins
- Memory Options: Distributed RAM and ROM capabilities
- Clock Management: Multiple clock domains with dedicated clock buffers
- Interconnect: Rich hierarchy of routing resources for optimal performance
Performance Characteristics
- System Clock Rate: Up to 80 MHz synchronous operation
- Internal Performance: Exceeding 150 MHz for critical paths
- Programmable Output Slew-Rate Control: Maximizes performance while reducing noise
- Zero Flip-Flop Hold Time: Simplifies system timing design
Pin Configuration
- Total Pins: 208-pin configuration
- I/O Pins: Up to 164 user-configurable I/O pins
- Dedicated Pins: Clock, configuration, and power pins
- Pin Compatibility: Compatible with equivalent XC4000 family devices
2. Pricing Information
Note: The XC4028EX-3HQ208C is currently classified as an obsolete component by Xilinx/AMD. Pricing varies significantly based on availability and supplier inventory.
Pricing Ranges
- Small Quantities (1-10 units): Contact suppliers for current pricing
- Medium Quantities (11-100 units): Volume discounts available
- Large Quantities (100+ units): Request custom quotation
Recommended Suppliers
- Authorized electronic component distributors
- Specialized FPGA component suppliers
- Legacy component specialists
Important: Due to obsolescence status, we recommend verifying availability and considering modern alternatives for new designs.
3. Documents & Media
Technical Documentation
- Datasheet: XC4000E and XC4000X Series Field Programmable Gate Arrays specification
- User Guide: Comprehensive design and implementation guide
- Application Notes: Design best practices and implementation examples
- Pinout Diagrams: Detailed pin configuration and electrical specifications
Software Resources
- Design Software: Xilinx ISE Design Suite (legacy support)
- Simulation Tools: ModelSim, ISim compatibility
- Programming Tools: Xilinx iMPACT configuration software
Design Files
- Reference Designs: Sample projects and implementation examples
- Libraries: Pre-compiled IP cores and macros
- Constraint Files: Timing and placement constraint templates
4. Related Resources
Development Tools
- Evaluation Boards: XC4000E family development platforms
- Programming Cables: Xilinx Parallel Cable III/IV or Platform Cable USB
- Debug Tools: ChipScope Pro analyzer support
Compatible Components
- Pin-Compatible Devices: XC4025, XC4025E, XC4028XL
- Alternative Solutions: Modern Xilinx 7-Series or UltraScale devices for new designs
- Support Components: Configuration PROMs, decoupling capacitors
Design Support
- FPGA Design Services: Professional implementation assistance
- Training Resources: Xilinx education and certification programs
- Community Forums: User groups and technical discussions
Software Compatibility
- Design Entry: ABEL, schematic capture, VHDL, Verilog HDL synthesis
- Synthesis Tools: Third-party synthesis tool compatibility
- Place and Route: Automated implementation flow
5. Environmental & Export Classifications
Environmental Compliance
- RoHS Status: Check with specific supplier for compliance status
- Lead Content: May contain lead (legacy component)
- Packaging Material: Standard IC packaging materials
- Disposal: Follow local electronic waste disposal regulations
Operating Environment
- Operating Temperature Range: 0ยฐC to +70ยฐC (Commercial grade)
- Storage Temperature: -65ยฐC to +150ยฐC
- Humidity: Standard industrial humidity ratings
- ESD Sensitivity: Class 1 ESD sensitive device
Export Classifications
- ECCN: Check current export control classifications
- Export Restrictions: Subject to applicable export control laws
- Country of Origin: Manufactured according to Xilinx specifications
- Compliance: Meets applicable international standards
Quality Standards
- Quality Grade: Commercial/Industrial standard
- Reliability: Standard FPGA reliability specifications
- Testing: Factory tested for functionality and performance
- Certification: ISO 9001 manufacturing quality systems
Important Notice
The XC4028EX-3HQ208C is an obsolete product not recommended for new designs. For current projects requiring similar functionality, consider modern Xilinx FPGA families such as Spartan-7, Artix-7, or Zynq series devices, which offer superior performance, lower power consumption, and ongoing manufacturer support.
Keywords: XC4028EX-3HQ208C, Xilinx FPGA, XC4000E family, field programmable gate array, embedded systems, digital design, programmable logic
