Overview of XC3030A-7PC84I Field Programmable Gate Array
The XC3030A-7PC84I is a versatile field-programmable gate array (FPGA) from AMD’s (formerly Xilinx) legendary XC3000 series. This industrial-grade programmable logic device delivers exceptional performance with 2000 usable gates, 100 configurable logic blocks (CLBs), and operates at speeds up to 113MHz. Designed for embedded systems and industrial automation, this FPGA provides engineers with flexible, reconfigurable digital logic capabilities in a compact 84-pin PLCC package.
Key Technical Specifications
Core Features Table
| Parameter |
Specification |
| Part Number |
XC3030A-7PC84I |
| Manufacturer |
AMD (Xilinx) |
| Product Family |
XC3000A Series |
| Logic Cells |
100 CLBs |
| Usable Gates |
2,000 gates |
| Maximum Frequency |
113 MHz |
| Supply Voltage |
5V |
| I/O Pins |
74 user I/O |
| Package Type |
84-Pin PLCC (Plastic Leaded Chip Carrier) |
| Temperature Range |
Industrial (-40°C to +85°C) |
| Technology |
CMOS |
Pin Configuration and Package Details
| Package Specification |
Value |
| Total Pins |
84 |
| User I/O Pins |
74 |
| Package Style |
PLCC (J-Lead) |
| Mounting Type |
Through-hole |
| Pin Pitch |
1.27mm (0.050″) |
| Body Size |
5.08mm height |
| Lead Material |
Tin/Lead (Sn85Pb15) |
Advanced FPGA Architecture
Configurable Logic Blocks (CLBs)
The XC3030A-7PC84I features a robust architecture with 100 Configurable Logic Blocks arranged in a flexible array structure. Each CLB contains:
- Programmable combinational logic
- Sequential storage elements (flip-flops)
- Multiplexers for signal routing
- Fast carry logic for arithmetic operations
This architecture enables designers to implement complex digital circuits including:
- State machines and controllers
- Data path processors
- Custom interface protocols
- Signal processing algorithms
- Arithmetic logic units
I/O Block Configuration
With 74 user-programmable I/O pins, the XC3030A-7PC84I provides exceptional connectivity options. Each I/O block (IOB) offers:
- Programmable slew rate control
- TTL/CMOS compatibility
- Pull-up/pull-down resistor options
- Direct input to CLB routing
- Registered outputs for improved timing
Interconnect Resources
The device utilizes a hierarchical routing architecture that includes:
- General-purpose interconnect for CLB-to-CLB communication
- Long lines for high-speed signal distribution
- Direct connections between adjacent CLBs
- Dedicated clock distribution networks
Performance Characteristics
Timing Specifications Table
| Timing Parameter |
Value |
| Maximum Operating Frequency |
113 MHz |
| Pin-to-Pin Delay |
5.1 ns (typical) |
| Clock-to-Output Delay |
7 ns (max) |
| Setup Time |
3 ns (typical) |
| Hold Time |
0 ns (typical) |
| Internal Clock Speed |
Up to 113 MHz |
Power Consumption
The XC3030A-7PC84I operates efficiently on a single 5V power supply, making it ideal for legacy systems and industrial applications where 5V logic levels remain standard.
| Power Parameter |
Typical |
Maximum |
| Supply Voltage |
5.0V |
5.5V |
| Standby Current |
15 mA |
30 mA |
| Active Current |
75 mA |
150 mA |
| Power Dissipation |
375 mW |
750 mW |
Application Areas
Industrial Control Systems
The XC3030A-7PC84I excels in industrial automation applications where reliability and reprogrammability are essential:
- Programmable logic controllers (PLCs)
- Motor control systems
- Process automation interfaces
- Factory automation equipment
- Industrial robotics control
Communication Interfaces
Implement custom communication protocols with this Xilinx FPGA:
- Serial communication controllers (UART, SPI, I2C)
- Parallel bus interfaces
- Protocol converters
- Data acquisition systems
- Custom networking solutions
Legacy System Upgrades
The 5V operation and through-hole package make this FPGA perfect for:
- Retrofitting existing equipment
- Replacing obsolete logic circuits
- Modernizing control systems
- Extending product lifecycles
- Maintaining legacy industrial systems
Signal Processing
Leverage the FPGA’s parallel processing capabilities for:
- Digital filtering
- Data encoding/decoding
- Pattern recognition
- Real-time signal conditioning
- Sensor data processing
Development and Programming
Design Tools Compatibility
The XC3030A-7PC84I is supported by multiple development environments:
- XACT Development System: Original design tool with schematic capture
- ISE Design Suite: Legacy Xilinx integrated development environment
- Foundation Series: Entry-level design software
- Third-party tools: Compatible with various EDA platforms
Programming Methods
| Programming Method |
Description |
| JTAG Boundary Scan |
Industry-standard in-system programming |
| Serial Configuration |
Using external PROM or microcontroller |
| Parallel Configuration |
High-speed programming for production |
| Slave Serial |
Daisy-chain multiple devices |
Configuration Memory
The device utilizes SRAM-based configuration, offering:
- Unlimited reprogrammability
- Fast reconfiguration times
- Volatile storage (requires power-on reload)
- Flexible design iteration
Reliability and Quality
Industrial Temperature Range
Rated for -40°C to +85°C operation, the XC3030A-7PC84I meets industrial temperature requirements for:
- Harsh manufacturing environments
- Outdoor installations
- Automotive applications
- Telecommunications equipment
Quality Standards
The device meets stringent quality requirements:
- RoHS compliant versions available
- Manufactured to automotive quality standards
- ESD protection on all I/O pins
- Latch-up resistant design
Comparison with Similar Devices
XC3000 Family Comparison
| Part Number |
Gates |
CLBs |
I/O Pins |
Speed Grade |
Package |
| XC3020A-7PC84I |
1,000 |
64 |
74 |
-7 |
84-PLCC |
| XC3030A-7PC84I |
2,000 |
100 |
74 |
-7 |
84-PLCC |
| XC3042A-7PC84I |
3,000 |
144 |
74 |
-7 |
84-PLCC |
| XC3064A-7PC84I |
5,000 |
224 |
74 |
-7 |
84-PLCC |
Speed Grade Options
The “-7” speed grade indicates standard performance. Alternative speed grades include:
- -5: Fastest option (higher cost)
- -6: Medium performance
- -7: Standard grade (best value)
- -10: Economy grade
Package and Handling
Physical Dimensions
The 84-Pin PLCC package provides:
- Compact footprint: 29.21mm × 29.21mm
- Easy socket mounting for prototyping
- Reliable solder connections for production
- Thermal performance suitable for industrial use
- Visual inspection capability with J-leads
Storage and Handling Requirements
- Store in moisture-sensitive level 3 (MSL 3) conditions
- Avoid electrostatic discharge (ESD) exposure
- Use proper grounding when handling
- Maintain room temperature storage (15-30°C)
- Keep humidity below 60% RH
Design Considerations
Power Supply Decoupling
For optimal performance, implement proper decoupling:
| Capacitor Type |
Value |
Quantity |
Location |
| Bulk capacitor |
10-47 μF |
1-2 |
Power input |
| Ceramic bypass |
0.1 μF |
4-6 |
Near VCC pins |
| High-frequency |
0.01 μF |
2-4 |
Critical pins |
Clock Distribution
Best practices for clock signals:
- Use dedicated clock input pins
- Minimize clock trace lengths
- Implement proper termination
- Avoid routing clocks near high-speed signals
- Consider clock skew in multi-device systems
Thermal Management
Ensure adequate cooling with:
- Minimum 200 LFM (linear feet per minute) airflow for forced air cooling
- Heat sink consideration for high-utilization designs
- Thermal vias for enhanced heat dissipation
- Junction temperature monitoring in critical applications
Availability and Support
Product Status
The XC3030A-7PC84I is a mature product with:
- Active aftermarket support
- Available through authorized distributors
- Inventory maintained for legacy applications
- Long-term availability programs
- Alternative sourcing options
Technical Resources
Access comprehensive documentation:
- Complete datasheets with AC/DC specifications
- Application notes for common implementations
- Reference designs and example code
- PCB layout guidelines
- Migration guides for newer FPGAs
Ordering Information
| Order Code |
Description |
Package Marking |
| XC3030A-7PC84I |
Industrial temp, -7 speed |
XC3030A-7PC84I |
| XC3030A-7PC84C |
Commercial temp, -7 speed |
XC3030A-7PC84C |
Conclusion
The XC3030A-7PC84I represents proven FPGA technology ideal for industrial control, legacy system maintenance, and cost-sensitive applications requiring programmable logic. With its robust 5V operation, industrial temperature rating, and reliable 84-pin PLCC package, this field-programmable gate array continues serving engineers who need dependable, reconfigurable digital logic solutions.
Whether upgrading existing equipment, developing new control systems, or maintaining legacy industrial automation, the XC3030A-7PC84I delivers the performance, flexibility, and reliability required for mission-critical applications. Its comprehensive development tool support and extensive documentation make it accessible for both experienced FPGA designers and engineers new to programmable logic.
