1. Product Specifications
Key Technical Features
- Device Family: XC3000A Series FPGA
- Gate Count: 3,000 gates (3K gates)
- Logic Cells: 144 configurable logic blocks (CLBs)
- Operating Frequency: Up to 113 MHz maximum performance
- Supply Voltage: 5V CMOS technology
- Package Type: 100-pin Plastic Quad Flat Package (PQFP)
- I/O Pins: 82 user I/O pins
- Temperature Grade: Commercial grade (-7 speed grade)
Architecture Components
- Configurable Logic Blocks (CLBs): Core array of 144 cells for implementing custom logic functions
- Input/Output Blocks (IOBs): Perimeter I/O blocks for external interface
- Interconnect Resources: Flexible routing matrix for signal distribution
- Configuration Memory: Internal program storage for FPGA configuration
Performance Characteristics
- Technology: 5V CMOS process
- Speed Grade: -7 (commercial temperature range)
- Logic Functions: Supports multiplexers, flip-flops, counters, and memory functions
- Design Flexibility: User-programmable array architecture with reconfigurable logic
2. Pricing Information
Note: The XC3042A-7PQ100C is classified as an obsolete component by major distributors including DigiKey and Mouser. Pricing is available through:
- Request for Quote (RFQ) basis from authorized distributors
- Secondary market suppliers with varying stock levels
- Specialized obsolete component dealers
Availability Status
- Limited stock available through select distributors
- Heisener reports approximately 9,900 pieces in stock
- Lead times vary from 3-19 days depending on supplier
- Alternative part numbers and cross-references available
3. Documents & Media
Technical Documentation
- Official Datasheet: XC3042A-7PQ100C technical specifications (PDF format)
- XC3000 Series User Guide: Comprehensive family documentation
- Application Notes: Implementation guidelines and best practices
- Programming Documentation: Configuration and design flow information
Design Resources
- Development Tools: Compatible with legacy Xilinx ISE Design Suite
- Reference Designs: Available through Xilinx archives
- Evaluation Boards: XC3042A development platforms (limited availability)
- Pin Configuration: 100-pin PQFP pinout diagrams and package drawings
4. Related Resources
Development Tools & Software
- Xilinx ISE Design Suite (legacy support)
- Schematic Capture Tools: Design entry and capture utilities
- Place-and-Route Software: Automated implementation tools
- Simulation Tools: Logic and timing verification platforms
- Programming Utilities: Device configuration and debugging tools
Compatible Products
- XC3042A-7PQ100I: Industrial temperature variant
- XC3042A-7PQG100C: Alternative package option
- XC3042A-7TQ144: 144-pin TQFP variant
- Migration Path: Newer Spartan and Artix series for new designs
Technical Support
- Community Forums: FPGA technical discussion platforms
- Application Engineers: Design consultation services
- Third-party Tools: Compatible EDA software solutions
- Training Resources: FPGA design methodology documentation
5. Environmental & Export Classifications
Environmental Compliance
- RoHS Status: Legacy product – verify compliance requirements with supplier
- Environmental Impact: Standard CMOS manufacturing process
- Packaging Materials: Lead-free soldering considerations for newer assemblies
- Disposal Guidelines: Follow local electronic waste regulations
Export Control Classifications
- Export Classification: Likely EAR99 designation (subject to verification)
- ECCN Status: Not specifically listed on Commerce Control List
- Export Restrictions: Standard commercial electronics export rules apply
- Geographic Limitations: Check current export regulations for specific destinations
Regulatory Notes
- License Requirements: Generally no export license required for most destinations
- Due Diligence: Verify end-user and end-use compliance
- Sanctioned Countries: Prohibited for export to embargoed nations
- Documentation: Maintain proper export documentation records
Summary
The XC3042A-7PQ100C represents a proven FPGA solution from Xilinx’s established XC3000 series, offering 3,000 gates of configurable logic in a compact 100-pin PQFP package. While now classified as obsolete, this device remains valuable for legacy system maintenance, cost-sensitive applications, and educational purposes. The 113 MHz performance and 82 I/O pins provide adequate capability for many embedded control and communication applications.
For new designs, consider migrating to current Xilinx Spartan or AMD-Xilinx Artix families for improved performance, lower power consumption, and long-term availability. The XC3042A-7PQ100C continues to be supported through secondary market suppliers and specialized distributors serving the obsolete component market.
Key Benefits: Cost-effective FPGA solution, proven reliability, 5V compatibility, educational and prototyping applications, legacy system support.
Applications: Embedded controllers, communication interfaces, digital signal processing, prototyping platforms, legacy system maintenance, academic projects.
