Product Overview: XC3042A-7PC84I FPGA Integrated Circuit
The XC3042A-7PC84I is a field-programmable gate array (FPGA) from the renowned XC3000A family by Xilinx (now AMD). This industrial-grade programmable logic device delivers exceptional flexibility and performance for embedded systems, making it an ideal choice for engineers seeking reliable digital design solutions.
Key Technical Specifications
Core FPGA Performance Parameters
This device features 144 configurable logic blocks (CLBs), provides 2,000 usable gates, operates at speeds up to 113 MHz, and includes 42 input/output pins. The -7 speed grade designation indicates optimized timing characteristics for demanding applications.
| Specification |
Value |
| Logic Blocks (CLBs) |
144 |
| Usable Gates |
2,000 |
| Maximum Operating Frequency |
113 MHz |
| I/O Pins |
42 |
| Package Type |
PLCC84 (Plastic Leaded Chip Carrier) |
| Speed Grade |
-7 (Industrial) |
| Operating Temperature Range |
Industrial Grade |
Package and Pin Configuration Details
PLCC84 Package Characteristics
The XC3042A-7PC84I utilizes the PLCC84 package format, which offers:
- Compact footprint for space-constrained PCB designs
- Reliable through-hole mounting compatibility
- 84-pin configuration providing adequate I/O resources
- Robust mechanical structure suitable for industrial environments
| Package Feature |
Description |
| Package Type |
PLCC (Plastic Leaded Chip Carrier) |
| Pin Count |
84 pins |
| Mounting Style |
Through-hole compatible |
| Body Material |
High-grade plastic encapsulation |
Application Areas for XC3042A-7PC84I
Industrial and Embedded System Implementation
This Xilinx FPGA programmable logic device excels in various implementation scenarios:
- Industrial Control Systems: Process automation and machine control
- Telecommunications Equipment: Signal processing and data routing
- Medical Electronics: Diagnostic equipment and monitoring systems
- Test and Measurement Instruments: Custom logic implementations
- Legacy System Upgrades: Replacement for discontinued components
- Prototyping Applications: Rapid development and proof-of-concept designs
XC3000A Family Architecture Features
Programmable Logic Capabilities
The XC3042A belongs to the proven XC3000A FPGA architecture, offering:
- Configurable Logic Blocks for custom digital circuit design
- Programmable interconnect matrix enabling flexible routing
- User-defined I/O configurations supporting multiple standards
- On-chip RAM resources for data buffering and storage
- Clock management capabilities for timing control
Electrical Characteristics and Requirements
Power Supply and Operating Conditions
| Parameter |
Specification |
| Supply Voltage (Vcc) |
5V ±10% |
| I/O Voltage Levels |
TTL/CMOS compatible |
| Power Consumption |
Low to moderate (application dependent) |
| ESD Protection |
Standard industry protection |
Design Resources and Development Support
FPGA Development Tools Compatibility
Engineers can leverage industry-standard tools for XC3042A-7PC84I development:
- Compatible with legacy Xilinx ISE Design Suite
- JEDEC file format support for programming
- Boundary scan testing (JTAG) capabilities
- Third-party synthesis tool compatibility
Quality and Reliability Standards
Manufacturing and Testing Standards
Quality-focused distributors provide:
- Original factory components with authenticity verification
- 365-day warranty coverage on new units
- Pre-shipment inspection ensuring functionality
- Proper ESD handling and packaging protocols
- Traceability documentation for compliance requirements
Pin Configuration Reference
I/O Distribution and Capabilities
The 42 user-configurable I/O pins support:
- Bidirectional operation modes
- Pull-up and pull-down options
- Slew rate control for signal integrity
- Multiple I/O standards support
| I/O Feature |
Capability |
| Total User I/O |
42 pins |
| I/O Standards |
TTL, CMOS compatible |
| Drive Strength |
Configurable |
| Input Protection |
Built-in clamping diodes |
Sourcing and Availability Information
Where to Purchase XC3042A-7PC84I
This component is available through authorized electronics distributors and specialized FPGA component suppliers. When sourcing, verify:
- Original manufacturer part authenticity
- Date codes for production traceability
- Lead-free compliance status if required
- Moisture sensitivity level (MSL) handling requirements
Comparison with Alternative Devices
XC3000A Series Device Selection
| Model |
Gates |
CLBs |
I/O Pins |
Best Application |
| XC3020A |
1,000 |
64 |
34 |
Simple logic |
| XC3042A |
2,000 |
144 |
42 |
General purpose |
| XC3064A |
3,000 |
224 |
58 |
Complex designs |
| XC3090A |
4,000 |
320 |
74 |
Large systems |
Programming and Configuration Methods
Device Configuration Options
The XC3042A-7PC84I supports multiple configuration modes:
- Master Serial mode for autonomous operation
- Slave Serial mode for host-controlled programming
- Peripheral mode for microprocessor interfaces
- Boundary scan mode for in-system programming
Environmental and Compliance Considerations
Regulatory Standards
This device typically meets:
- RoHS compliance requirements (verify with supplier)
- UL flammability standards
- IPC workmanship standards
- ESD sensitivity classifications
Thermal Management Recommendations
Heat Dissipation Guidelines
| Operating Parameter |
Recommendation |
| Ambient Temperature |
Monitor during operation |
| Thermal Resistance |
Consider in high-density layouts |
| Airflow Requirements |
Natural or forced cooling as needed |
| Junction Temperature |
Stay within datasheet limits |
Legacy Device Support Status
Product Lifecycle Information
The XC3042A series represents mature FPGA technology. Engineers should note:
- This device line is considered legacy/discontinued
- Long-term availability may require stocking strategies
- Alternative modern FPGAs offer enhanced capabilities
- Existing designs can continue using available inventory
Technical Support and Documentation
Resources for Engineers
Comprehensive technical information includes:
- Detailed datasheet specifications
- Application notes for common implementations
- Reference designs and example projects
- Pin-out diagrams and package drawings
- Programming file format specifications
Conclusion: XC3042A-7PC84I Value Proposition
The XC3042A-7PC84I FPGA delivers proven performance for industrial control, legacy system maintenance, and specialized applications. Its balance of logic resources, I/O capabilities, and PLCC84 packaging makes it suitable for engineers requiring reliable programmable logic solutions. When properly sourced from authorized distributors with quality guarantees, this device continues serving as a dependable choice for established designs and maintenance applications.
For modern FPGA projects, engineers should also explore contemporary alternatives in the Xilinx FPGA portfolio that offer enhanced features, lower power consumption, and current tool support while maintaining design flexibility and performance advantages.
