Overview of the XC3030-7PC84C FPGA

The XC3030-7PC84C is a high-performance field programmable gate array (FPGA) manufactured by AMD (formerly Xilinx). This versatile programmable logic device belongs to the XC3000 family and delivers reliable digital circuit solutions for custom VLSI design applications. With its 84-pin PLCC package and 100 configurable logic blocks, this FPGA provides engineers with a flexible platform for prototyping and production applications.

As part of the XC3000A series, the XC3030-7PC84C represents proven CMOS technology that has been trusted in industrial, commercial, and embedded systems for decades. This Xilinx FPGA offers an excellent balance between logic capacity, I/O flexibility, and cost-effectiveness.

Key Features and Benefits

Core Architecture Specifications

The XC3030-7PC84C features advanced architecture designed for maximum flexibility:

• Logic Capacity: 100 Configurable Logic Blocks (CLBs)
• Gate Count: Approximately 1,500 to 2,000 usable gates
• I/O Pins: 74 user-programmable input/output pins
• Maximum Toggle Rate: 113 MHz
• Logic Delay: As fast as 5.1 nanoseconds
• Package Type: 84-pin PLCC (Plastic Leaded Chip Carrier) with J-Lead configuration
• Operating Voltage: 5V standard supply voltage
• Technology: High-performance CMOS static memory technology

Performance Advantages

This FPGA delivers exceptional performance characteristics that make it suitable for demanding applications:

1. High-Speed Operation: System clock speeds exceeding 80 MHz enable real-time processing
2. Low Power Consumption: Efficient CMOS technology minimizes both quiescent and active power requirements
3. Flexible Routing Resources: Extensive interconnect capabilities support complex logic designs
4. Unlimited Reprogrammability: In-system configuration allows for easy design iteration and updates

Technical Specifications Table

Performance Characteristics

Applications and Use Cases

Industrial Control Systems

The XC3030-7PC84C excels in industrial automation environments where reliable logic control is essential. Its reprogrammable nature allows manufacturers to update control algorithms without hardware changes.

Communications Equipment

With its high-speed performance and flexible I/O configuration, this FPGA serves well in telecommunications infrastructure, data routing, and protocol conversion applications.

Embedded System Integration

The device integrates complete subsystems into a single package, reducing board space and component count in embedded designs. It effectively replaces multiple TTL, MSI, and PLD logic chips.

Prototyping and Development

Engineers leverage the XC3030-7PC84C for rapid prototyping of digital circuits. Its unlimited reprogrammability enables quick design iterations without the need for new hardware fabrication.

Legacy System Maintenance

Many existing systems continue to use XC3000 series devices. The XC3030-7PC84C remains available for maintenance, repair, and upgrade of these established platforms.

Design Tools and Development Support

XACT Development System

The XC3030-7PC84C is supported by Xilinx’s XACT development suite, which provides:

• Schematic capture for design entry
• Automatic place-and-route algorithms
• Logic and timing simulation
• In-circuit emulation capabilities

Modern Tool Compatibility

While originally designed for XACT, these devices can also be programmed using:

• Xilinx ISE Design Suite (legacy versions)
• Third-party synthesis tools with XC3000 support
• Custom configuration bitstream generators

Package Information

84-Pin PLCC Package Details

The Plastic Leaded Chip Carrier (PLCC) package offers several advantages:

• Surface Mount Design: Enables automated assembly processes
• J-Lead Configuration: Provides reliable solder joints
• Compact Footprint: 29.21mm square maximizes board space efficiency
• Standard Socket Compatibility: Can be socketed for prototyping

Pin Configuration

The 84-pin PLCC provides:

• 74 dedicated user I/O pins
• Power and ground pins
• Configuration pins
• Global clock inputs

Compatibility and Pin-to-Pin Alternatives

Ordering and Availability Information

The XC3030-7PC84C is available through authorized electronic component distributors worldwide. When ordering, consider:

• Minimum Order Quantities: Varies by distributor
• Lead Times: Typically 4-12 weeks for standard orders
• Stock Availability: Check with multiple suppliers for best availability
• Pricing: Volume discounts usually available

Quality and Reliability

Manufacturing Standards

AMD/Xilinx manufactures the XC3030-7PC84C following strict quality control procedures:

• ISO 9001 certified manufacturing facilities
• Comprehensive electrical testing
• Temperature cycling and burn-in screening
• Moisture sensitivity level ratings

Environmental Compliance

The device meets various environmental standards:

• RoHS compliance options available
• Conflict minerals reporting
• REACH regulation compliance

Advantages Over Competing Solutions

Versus Discrete Logic

Replacing multiple TTL and MSI chips with a single XC3030-7PC84C offers:

1. Reduced Board Space: One chip replaces dozens of discrete components
2. Lower Power Consumption: Modern CMOS vs. older bipolar logic
3. Improved Reliability: Fewer solder joints and interconnections
4. Design Flexibility: Logic changes without board redesign

Versus Simple PLDs

Compared to traditional PALs and GALs:

1. Greater Logic Capacity: 1,500+ gates vs. typically <500 gates
2. More Flexible Architecture: CLB-based design vs. fixed sum-of-products
3. Higher I/O Count: 74 I/O pins vs. typically 20-28 pins
4. Better Performance: Higher clock rates and lower propagation delays

Versus ASIC Solutions

For low to medium volume applications:

1. No NRE Costs: Eliminate non-recurring engineering charges
2. Faster Time-to-Market: Weeks instead of months for fabrication
3. Design Iteration: Easy modifications without new mask sets
4. Lower Risk: Prototype and test before committing to volume

Configuration and Programming

Configuration Options

The XC3030-7PC84C supports multiple configuration modes:

• Master Serial Mode: FPGA controls configuration from serial PROM
• Slave Serial Mode: External microcontroller provides configuration data
• Master Parallel Mode: Fast configuration from parallel EPROM
• Peripheral Mode: Configuration through microprocessor interface

Required External Components

For basic operation, you’ll need:

• Configuration memory device (PROM, EPROM, or Flash)
• Pull-up resistors on specific pins
• Decoupling capacitors (typical 0.1µF and 10µF per power pin pair)
• Optional oscillator components for internal clock amplifier

Power Supply Considerations

Frequently Asked Questions

Is the XC3030-7PC84C still in production?

While the XC3000 family is considered a legacy product line, authorized distributors maintain inventory. For new designs, consider evaluating more recent FPGA families for better performance and features.

What development tools are required?

The Xilinx ISE Design Suite (legacy versions) or the original XACT development system can program this device. Modern Vivado does not support XC3000 series devices.

Can this FPGA replace the XC3030A-7PC84C?

The XC3030-7PC84C and XC3030A-7PC84C are very similar, with the “A” version offering enhanced specifications. In most applications, they are interchangeable, but always verify timing and electrical requirements.

What configuration memory should I use?

The most common choice is a compatible serial configuration PROM such as the XC17S00 series. The specific size depends on your design’s bitstream requirements.

Is socket mounting possible?

Yes, standard 84-pin PLCC sockets enable socketed mounting for prototyping and testing. Production designs typically use direct surface mount for better reliability.

Conclusion

The XC3030-7PC84C field programmable gate array delivers proven performance and reliability for digital logic applications. With its 100 configurable logic blocks, 74 I/O pins, and flexible architecture, this FPGA serves as an excellent solution for custom logic implementations, system prototyping, and legacy system support.

Whether you’re maintaining existing equipment, developing new embedded systems, or prototyping digital designs, the XC3030-7PC84C offers the programmability and performance characteristics needed for success. Its established track record and continued availability through authorized distributors make it a dependable choice for both current production and long-term system support.

For applications requiring field-programmable logic with moderate complexity, the XC3030-7PC84C remains a cost-effective and technically sound solution backed by decades of proven field performance.