Overview of XC3190A-5PC84I FPGA
The XC3190A-5PC84I is a high-performance field programmable gate array manufactured by Xilinx (now AMD), belonging to the renowned XC3000 Series FPGA family. This industrial-grade programmable logic device offers exceptional flexibility and reliability for custom VLSI design tasks, making it an ideal solution for replacing traditional TTL, MSI logic, and other programmable logic devices in modern electronic systems.
Key Specifications and Technical Parameters
Core Architecture Specifications
| Parameter |
Specification |
| Part Number |
XC3190A-5PC84I |
| Manufacturer |
AMD Xilinx |
| Product Family |
XC3100A Series |
| Logic Cells |
320 CLBs (Configurable Logic Blocks) |
| Gate Count |
5,000 to 6,000 equivalent gates |
| Speed Grade |
-5 (Standard Performance) |
| Operating Voltage |
5V |
| Package Type |
84-Pin PLCC (Plastic Leaded Chip Carrier) |
| Temperature Range |
Industrial (-40°C to +85°C) |
| Technology |
CMOS Static Memory |
Performance Characteristics
| Feature |
Value |
| Maximum Toggle Rate |
70 to 270 MHz |
| Logic Delay |
7 to 1.5 ns |
| System Clock Speed |
Over 85 MHz |
| Power Consumption |
Low quiescent and active power |
XC3190A-5PC84I FPGA Features and Benefits
Advanced Programmable Architecture
The XC3190A-5PC84I features a flexible, user-programmable array architecture consisting of three main configurable elements:
- I/O Blocks (IOBs): Perimeter input/output blocks providing versatile interface capabilities
- Configurable Logic Blocks (CLBs): 320 core logic blocks enabling complex digital functions
- Interconnection Resources: High fan-out signal distribution with low-skew clock networks
Design Flexibility and Integration
This Xilinx FPGA offers unprecedented design flexibility for engineers and system designers:
- Complete Sub-System Integration: Integrate entire subsystems into a single, compact package
- TTL/CMOS Compatibility: Supports both TTL and CMOS input thresholds
- Internal 3-State Bus: Built-in 3-state bus capabilities for efficient data transfer
- On-Chip Oscillator: Integrated crystal oscillator amplifier
Unlimited Reprogrammability
One of the standout features of the XC3190A-5PC84I is its unlimited reprogrammability:
- Easy design iteration during development
- In-system logic changes without hardware modifications
- Rapid prototyping and testing capabilities
- Reduced time-to-market for product development
Technical Applications and Use Cases
Industrial Automation Systems
The XC3190A-5PC84I excels in industrial control applications:
- Process control systems
- Motor control and drive circuits
- Industrial monitoring equipment
- Sensor interface circuits
Communication and Networking
- Protocol converters
- Data acquisition systems
- Network interface controllers
- Signal processing applications
Legacy System Upgrades
- Replacement for obsolete TTL logic
- MSI logic consolidation
- PLB modernization projects
- System reliability improvements
Configuration and Programming
Configuration Methods
The XC3190A-5PC84I supports multiple configuration modes:
| Configuration Mode |
Description |
| Serial Mode |
Using XC17XX Serial Configuration PROMs |
| Master Mode |
FPGA controls configuration process |
| Slave Mode |
External controller manages configuration |
| Peripheral Mode |
Microprocessor-based configuration |
Development Tools
Compatible development environments include:
- XACT Development System: Schematic capture and auto place-and-route
- ISE Design Tools: Legacy support for XC3000 family
- Logic Simulation: Timing and functional verification
- In-Circuit Emulation: Real-time debugging capabilities
Package Information and Pin Configuration
PLCC84 Package Details
| Package Characteristic |
Specification |
| Package Type |
84-Pin PLCC |
| Pin Count |
84 pins |
| Mounting Type |
Through-hole/Socket |
| Maximum Height |
5.08 mm |
| Body Material |
High-temperature plastic |
Pin Functions
- User I/O pins: Configurable input/output
- Configuration pins: Mode selection and data input
- Power pins: VCC and GND distribution
- Special function pins: Clock, reset, and test
Quality and Reliability Standards
Manufacturing Quality
- RoHS Compliant: Meets environmental standards
- Industrial Temperature Range: -40°C to +85°C operation
- High Reliability: Proven CMOS technology
- Long-Term Availability: Through authorized distributors
Testing and Validation
- Factory-tested for functionality
- Speed grade verification
- Temperature cycling tests
- Quality assurance certification
Comparison with Related Products
XC3190A Speed Grade Variants
| Part Number |
Speed Grade |
Performance Level |
| XC3190A-5PC84I |
-5 |
Standard |
| XC3190A-4PC84I |
-4 |
Medium |
| XC3190A-3PC84I |
-3 |
High Performance |
Package Alternatives
- XC3190A-5PG175I: 175-pin PGA package for higher I/O requirements
- XC3190A-5PQ160I: 160-pin PQFP for surface mount applications
- XC3190A-5TQ144I: 144-pin TQFP for compact designs
Design Considerations and Best Practices
Power Supply Design
- Provide clean, stable 5V power supply
- Use appropriate decoupling capacitors
- Consider power sequencing requirements
- Monitor current consumption during operation
Thermal Management
- Ensure adequate airflow in enclosed systems
- Consider heat sink attachment for high-utilization designs
- Monitor junction temperature in critical applications
- Plan for worst-case thermal scenarios
Signal Integrity
- Use proper PCB layout techniques
- Implement ground plane for noise reduction
- Control impedance on critical signal paths
- Follow manufacturer’s layout guidelines
Purchasing and Availability
Authorized Sources
The XC3190A-5PC84I is available through:
- Rochester Electronics (authorized manufacturer)
- Major electronic component distributors
- Surplus and obsolete parts specialists
- Direct from authorized Xilinx/AMD partners
Lead Time and MOQ
- Standard lead times vary by distributor
- Minimum order quantities depend on supplier
- Stock availability fluctuates regularly
- Contact suppliers for current pricing and availability
Support and Documentation
Technical Resources
- Comprehensive datasheets and user guides
- Application notes for common implementations
- Design examples and reference designs
- Online technical forums and communities
Engineering Support
- Technical support from distributors
- Application engineering assistance
- Design review services
- Training and educational resources
Frequently Asked Questions (FAQ)
What is the difference between speed grades?
The speed grade (-5, -4, -3) indicates the maximum operating frequency and propagation delays. Lower numbers represent faster performance, with -3 being the fastest and -5 offering standard performance at a more economical price point.
Can the XC3190A-5PC84I replace older designs?
Yes, this FPGA is designed to replace legacy TTL, MSI, and other programmable logic devices, offering improved integration, flexibility, and reliability while reducing board space and component count.
What programming tools are required?
The XC3190A-5PC84I requires Xilinx ISE development tools or the XACT development system for design entry, synthesis, and programming. Configuration requires appropriate programming hardware or serial PROMs.
Is this device still in production?
While the XC3000 family is considered legacy, the XC3190A-5PC84I remains available through Rochester Electronics and authorized distributors specializing in obsolescence management and long-term supply solutions.
What is the typical power consumption?
Power consumption varies based on design complexity and switching activity, typically ranging from tens to hundreds of milliwatts, with CMOS technology ensuring low quiescent power in standby modes.
Conclusion
The XC3190A-5PC84I represents a proven, reliable FPGA solution for industrial applications requiring moderate gate counts, flexible I/O, and robust performance. Its 320 configurable logic blocks and 5,000-gate capacity make it suitable for a wide range of digital design tasks, from simple logic replacement to complex system integration.
Whether you’re modernizing legacy equipment, developing new industrial control systems, or creating custom interface solutions, the XC3190A-5PC84I offers the performance, reliability, and flexibility needed for successful implementation. With unlimited reprogrammability and comprehensive development tool support, this FPGA continues to serve engineers seeking proven, cost-effective programmable logic solutions.
For current pricing, availability, and technical specifications, contact authorized distributors or visit the manufacturer’s product page through official channels.
