Overview of XC3030-100PC84C FPGA

The XC3030-100PC84C is a member of AMD’s (formerly Xilinx) XC3000 family of Field Programmable Gate Arrays, designed for high-performance embedded system applications. This FPGA features 100 Configurable Logic Blocks (CLBs) with 74 I/O pins in a compact 84-pin PLCC (Plastic Leaded Chip Carrier) package, making it an ideal solution for designers requiring flexible digital logic implementation in space-constrained environments.

As part of the XC3000 series, this programmable logic device delivers reliable performance for industrial control systems, communications equipment, and various embedded computing applications.

Key Technical Specifications

Core Performance Features

Package and Environmental Specifications

Product Features and Benefits

Flexible Architecture for Custom Logic Design

The XC3030-100PC84C provides designers with a versatile programmable architecture comprising three main configurable elements:

• Configurable Logic Blocks (CLBs): 100 CLBs forming the core logic array for implementing complex digital functions
• Input/Output Blocks (IOBs): 74 programmable I/O pins with configurable characteristics
• Programmable Interconnect: Flexible routing resources connecting CLBs and IOBs

Advanced FPGA Capabilities

This Xilinx FPGA delivers essential features for embedded system design:

• User-Programmable Configuration: Allows complete customization of digital logic functionality
• SRAM-Based Configuration: Fast reprogramming capability for design iteration
• Internal Memory: 22,176 RAM bits for data storage and lookup table implementations
• High-Speed Performance: 100 MHz maximum operating frequency for time-critical applications

Development and Integration

The XC3030-100PC84C integrates seamlessly with Xilinx development tools:

• Compatible with XACT development system for schematic capture
• Supports automatic place-and-route functionality
• Logic and timing simulation capabilities
• In-circuit emulation for design verification

Applications and Use Cases

Industrial Automation Systems

The XC3030-100PC84C excels in industrial control applications requiring:

• Custom protocol implementations
• Real-time signal processing
• Interface bridging between different communication standards
• Motor control logic

Communications Equipment

Telecommunications designers leverage this FPGA for:

• Digital signal processing functions
• Custom encoding/decoding schemes
• Protocol conversion
• Data packet processing

Embedded Computing Solutions

System integrators utilize this device in:

• Peripheral controllers
• Custom interface adapters
• Coprocessor implementations
• Prototyping complex ASIC designs

Legacy System Maintenance

This FPGA remains valuable for:

• Maintaining existing industrial equipment
• Replacing obsolete logic components
• Extending product lifecycles
• Supporting legacy system upgrades

Comparison with Similar FPGAs

XC3000 Family Comparison

The XC3030-100PC84C offers an optimal balance between logic capacity and I/O resources for mid-range applications, providing 56% more CLBs than the XC3020 while maintaining a cost-effective footprint.

Package and Pinout Information

84-PLCC Package Details

The 84-pin PLCC package offers several advantages:

• Compact Footprint: 29.31mm square package conserves board space
• J-Lead Connections: Reliable surface-mount or socket-mount capability
• Thermal Performance: Adequate heat dissipation for most applications
• Industry Standard: Compatible with standard PLCC sockets and manufacturing processes

Pin Configuration Overview

The XC3030-100PC84C provides:

• 74 dedicated user I/O pins
• Multiple ground and power pins for stable operation
• Dedicated configuration pins for programming
• Clock input pins for synchronous designs

Ordering and Availability Information

Part Number Breakdown

XC3030-100PC84C decodes as:

• XC3030: Product family and logic density (3000 series, 100 CLBs)
• 100: Speed grade (100 MHz maximum frequency)
• PC84: Package type (Plastic Chip Carrier, 84 pins)
• C: Commercial temperature range (0°C to +85°C)

Lifecycle Status

Important Notice: The XC3000 series has reached End-of-Life (EOL) status as of February 1, 2003. While new production has ceased, the XC3030-100PC84C remains available through:

• Authorized distributors with existing inventory
• Electronic component brokers
• Surplus and obsolete part specialists

Organizations requiring this component for legacy system support should consider:

• Purchasing lifetime buy quantities
• Identifying pin-compatible alternatives
• Planning migration paths to current FPGA families

Design Considerations and Best Practices

Power Supply Requirements

For reliable operation, designers should:

• Maintain stable 5V supply within ±5% tolerance
• Implement adequate decoupling capacitors (0.1µF near each power pin)
• Consider power sequencing for multi-voltage systems
• Calculate total power dissipation based on design utilization

Configuration and Programming

The XC3030-100PC84C supports multiple configuration modes:

• Master Serial Mode: FPGA controls configuration from external PROM
• Slave Serial Mode: External controller drives configuration
• Peripheral Mode: Configuration via microprocessor interface
• JTAG Boundary Scan: IEEE 1149.1 compliant programming and testing

Design Optimization Tips

Maximize performance by:

• Utilizing efficient logic partitioning across CLBs
• Minimizing interconnect delays through strategic placement
• Leveraging internal RAM bits for lookup tables
• Implementing proper clock distribution techniques
• Following timing constraint best practices

Competitive Advantages

Why Choose XC3030-100PC84C

This FPGA offers distinct benefits:

1. Proven Reliability: Decades of field deployment demonstrate robust performance
2. Mature Toolchain: Well-documented development environment with extensive resources
3. Cost-Effective: Lower acquisition costs compared to modern high-density FPGAs
4. Adequate Performance: Sufficient capability for many embedded applications
5. Compact Packaging: Small footprint suitable for space-limited designs

Alternative Solutions

For new designs requiring similar capabilities, consider:

• Spartan Series: Modern low-cost FPGA alternatives with higher integration
• Artix-7 Family: Current-generation devices with superior power efficiency
• MAX 10 FPGAs: Non-volatile FPGA technology eliminating external configuration devices

Quality and Compliance

Reliability Standards

The XC3030-100PC84C meets:

• Standard industrial reliability requirements
• CMOS quality levels for commercial applications
• Moisture sensitivity level (MSL) classifications for handling

RoHS and Environmental Compliance

Note: Original XC3000 production predates RoHS regulations. Available inventory may not comply with current environmental directives. Confirm compliance requirements with your supplier for specific applications.

Technical Support and Resources

Documentation Available

• XC3000 Family Datasheet: Complete electrical specifications and timing parameters
• User Guide: Comprehensive architecture and design methodology documentation
• Application Notes: Design examples and best practices
• XACT Development System Manual: Tool usage and design flow documentation

Getting Started

Designers working with the XC3030-100PC84C should:

1. Download XC3000 family documentation from AMD/Xilinx archives
2. Install compatible development software (XACT or ISE Foundation)
3. Review reference designs for similar applications
4. Consider evaluation boards if available through secondary markets
5. Join online communities for legacy FPGA support

Conclusion

The XC3030-100PC84C remains a relevant solution for maintaining existing equipment and specialized applications where its characteristics provide optimal value. While superseded by modern FPGA families offering higher density and advanced features, this device continues serving critical roles in legacy systems and cost-sensitive applications.

For engineers supporting industrial equipment, communications infrastructure, or embedded systems designed around this FPGA, understanding its capabilities and limitations ensures successful implementation and long-term system reliability. When planning new projects, evaluate whether modern alternatives offer compelling advantages or if the XC3030-100PC84C’s proven performance meets your requirements.

Related Resources

• Browse complete Xilinx FPGA product portfolio
• Compare XC3000 series specifications
• Access design tools and development resources
• Contact authorized distributors for pricing and availability