Overview
The XC2018-PC68DKI is a high-density CMOS Field Programmable Gate Array (FPGA) from Xilinx’s renowned XC2000 Logic Cell Array family. This vintage FPGA chip represents a significant milestone in programmable logic history, offering 100 Configurable Logic Blocks (CLBs) in a compact 68-pin ceramic package. The XC2018-PC68DKI delivers exceptional flexibility for digital logic implementation across various applications.
1. Product Specifications
Core Architecture
- Part Number: XC2018-PC68DKI
- Manufacturer: Xilinx (now AMD)
- Product Family: XC2000 Logic Cell Array
- Logic Cells: 100 CLBs (Configurable Logic Blocks)
- Gate Equivalent: Approximately 1,000-1,500 gates
- Package Type: 68-pin Ceramic DIP (PC68)
- Technology: CMOS Static Memory
Electrical Characteristics
- Supply Voltage: 5.0V nominal operation
- Operating Temperature Range: Commercial grade (0ยฐC to +70ยฐC)
- Input/Output Blocks (IOBs): Programmable I/O interface
- Configuration: Static memory cells for logic and interconnect programming
- Input Thresholds: TTL/CMOS compatible
Package Details
- Package Style: PC68 (Plastic Ceramic 68-pin DIP)
- Pin Count: 68 pins
- Mounting: Through-hole
- Form Factor: Dual In-line Package
- Pin Pitch: Standard 0.1″ (2.54mm)
Performance Features
- User-Programmable Elements: I/O Blocks, Logic Blocks, Programmable Interconnections
- Design Flexibility: Complete user control of design cycle
- Development Support: XACT Development System compatibility
- Testing: 100% factory tested
- Configuration Modes: Multiple selectable configuration options
2. Pricing Information
Market Availability
The XC2018-PC68DKI is classified as a legacy/obsolete component, making it primarily available through:
- Authorized Distributors: Limited new old stock (NOS)
- Electronic Component Brokers: Varied pricing based on availability
- Secondary Market: Reclaimed and tested units
- Specialty Suppliers: Vintage electronics specialists
Pricing Factors
- Quantity: Volume discounts available from major distributors
- Condition: New, refurbished, or tested-used options
- Lead Time: Expedited shipping may affect pricing
- Market Demand: Collectible value for vintage computing enthusiasts
Note: For current pricing and availability, contact authorized distributors or submit an RFQ (Request for Quote) through electronic component suppliers.
3. Documents & Media
Technical Documentation
- Datasheet: XC2018-PC68DKI official specifications
- Application Notes: Implementation guidelines and best practices
- User Guide: XACT Development System documentation
- Design Manual: Logic Cell Array architecture guide
- Pin Configuration: Detailed pinout diagrams
Development Resources
- XACT Software: Historical development environment
- Logic Simulation Tools: Design verification utilities
- Placement & Routing: Automatic design implementation
- Timing Analysis: Performance optimization tools
- Reference Designs: Sample implementations and examples
Support Materials
- Schematic Symbols: CAD library components
- PCB Footprints: Board layout patterns
- Soldering Guidelines: Assembly recommendations
- Compatibility Matrices: Device cross-reference information
4. Related Resources
Compatible Products
- XC2064-PC68: Smaller 64 CLB variant
- XC3020-PC68: Next-generation upgrade path
- Development Boards: Evaluation and prototyping platforms
- Programming Tools: Configuration hardware and software
Alternative Solutions
- Modern FPGAs: Current Xilinx/AMD alternatives
- CPLDs: Lower-complexity programmable logic
- Microcontrollers: Software-based alternatives
- Discrete Logic: Traditional gate-level implementations
Application Areas
- Vintage Computing: Retro computer restorations
- Educational Projects: Learning programmable logic concepts
- Prototyping: Legacy system maintenance
- Collectors: Historical FPGA preservation
Technical Support
- Community Forums: Vintage FPGA enthusiast groups
- Documentation Archives: Historical reference materials
- Reverse Engineering: Open-source analysis projects
- Replacement Guides: Modernization strategies
5. Environmental & Export Classifications
RoHS Compliance Status
The XC2018-PC68DKI was manufactured prior to RoHS directive implementation and is not RoHS compliant. This vintage component may contain:
- Lead in solder and component materials
- Other restricted substances under current EU regulations
Environmental Considerations
- Disposal: Requires proper e-waste handling procedures
- Recycling: Should be processed through certified facilities
- Material Recovery: Contains precious metals suitable for reclamation
- Environmental Impact: Legacy product with higher environmental footprint
Export Control Classification
- ECCN: 3A001 (Electronics designed for commercial use)
- HTS Code: 8542.31 (Processors and controllers)
- Country of Origin: USA (original manufacturing)
- Export Restrictions: Standard commercial electronics regulations
Regulatory Compliance
- REACH: Subject to EU chemical regulations for electronic components
- WEEE: Covered under Waste Electrical and Electronic Equipment directive
- Conflict Minerals: Pre-dates conflict minerals reporting requirements
- Quality Standards: ISO 9001 manufacturing compliance
Packaging & Shipping
- ESD Protection: Anti-static packaging required
- Moisture Sensitivity: Level 1 (no moisture precautions needed)
- Storage Requirements: Standard electronic component conditions
- Transportation: No hazardous material restrictions
Conclusion
The XC2018-PC68DKI represents a significant piece of FPGA history, offering vintage computing enthusiasts and researchers access to early programmable logic technology. While not suitable for new commercial designs due to obsolescence and environmental considerations, this component remains valuable for educational purposes, system restoration, and historical preservation projects.
For modern applications requiring similar functionality, consider current AMD/Xilinx FPGA families that offer superior performance, lower power consumption, and full environmental compliance while maintaining the innovative spirit of the original XC2000 series.
Keywords: XC2018-PC68DKI, Xilinx FPGA, Logic Cell Array, vintage electronics, programmable logic, retro computing, electronic components, obsolete semiconductors
