Overview of XC3195-5PQ208C FPGA

The XC3195-5PQ208C is a high-density field programmable gate array (FPGA) manufactured by AMD (formerly Xilinx), designed to deliver exceptional performance in complex digital logic applications. This programmable logic device features advanced architecture optimized for telecommunications, industrial control systems, and embedded computing solutions.

Available through Rochester Electronics LLC as an authorized distributor, the XC3195-5PQ208C represents a proven solution for engineers requiring reliable, high-gate-count programmable logic devices with extended product lifecycle support.

Key Technical Specifications

Core Performance Parameters

Memory and Logic Resources

Advanced Architecture Features

Configurable Logic Block Design

The XC3195-5PQ208C utilizes AMD’s XC3000 series architecture, featuring configurable logic blocks that provide maximum design flexibility. Each CLB contains combinatorial logic and storage elements, enabling designers to implement complex state machines, data paths, and arithmetic functions efficiently.

Programmable Interconnect Network

This Xilinx FPGA incorporates a sophisticated routing matrix that connects CLBs, I/O blocks, and special function blocks. The hierarchical routing architecture ensures predictable timing performance while maintaining routing efficiency across the entire device.

Input/Output Architecture

The 208-pin PQFP package delivers extensive I/O capability with programmable features including:

• Configurable slew rate control for noise reduction
• Programmable pull-up/pull-down resistors
• TTL and CMOS compatibility
• Input/output registers for improved timing performance
• Three-state output capability

Performance Characteristics and Speed Grade Analysis

Timing and Speed Grade -5 Performance

Power Consumption Profile

Application Domains and Use Cases

Industrial Control Systems

The XC3195-5PQ208C excels in industrial automation applications requiring real-time control, sensor interfacing, and communication protocol implementation. Its robust 0°C to 70°C operating temperature range ensures reliable operation in factory automation environments.

Telecommunications Infrastructure

Digital signal processing, protocol conversion, and interface bridging applications benefit from the device’s high-speed performance and substantial logic capacity. The programmable nature allows for protocol updates and feature additions without hardware redesign.

Embedded System Design

System-on-chip implementations leverage the XC3195-5PQ208C for peripheral integration, custom instruction set processors, and hardware acceleration functions. The FPGA architecture enables rapid prototyping and iterative design refinement.

Legacy System Support and Replacement

Rochester Electronics’ continued manufacturing support makes the XC3195-5PQ208C ideal for maintaining and upgrading legacy systems where original components may no longer be readily available.

Package Information: 208-Pin PQFP Details

Physical Dimensions and Footprint

PCB Design Considerations

The 208-pin PQFP package requires careful PCB layout attention including proper decoupling capacitor placement, controlled impedance routing for high-speed signals, and adequate thermal management. Multi-layer boards with dedicated power and ground planes are recommended for optimal electrical performance.

Programming and Configuration Methods

Configuration Options

The XC3195-5PQ208C supports multiple configuration modes:

• Serial Mode: Uses minimal I/O pins for configuration
• Peripheral Mode: Interfaces with microprocessors
• Master Mode: FPGA controls configuration process
• Boundary Scan: IEEE 1149.1 JTAG support for testing

Development Tool Support

Compatible with industry-standard FPGA development tools including Xilinx ISE Foundation and third-party synthesis tools. The device programming requires standard JEDEC file formats generated from HDL source code (VHDL or Verilog).

Quality and Reliability Standards

Manufacturing and Testing

Rochester Electronics manufactures the XC3195-5PQ208C following rigorous quality standards with comprehensive electrical testing, burn-in procedures for critical applications, and full traceability documentation.

Compliance Certifications

Ordering Information and Availability

Part Number Breakdown

XC3195-5PQ208C breaks down as follows:

• XC3195: Device family and gate count
• -5: Speed grade (5ns)
• PQ208: Package type (208-pin PQFP)
• C: Commercial temperature range (0°C to 70°C)

Procurement Considerations

When ordering the XC3195-5PQ208C, engineers should verify:

• Required speed grade for application timing requirements
• Temperature range alignment with operating environment
• Package availability and PCB footprint compatibility
• Lead time and minimum order quantities
• Extended lifecycle support requirements

Design Resources and Support

Reference Documentation

Essential design resources for the XC3195-5PQ208C include:

• Datasheet with electrical specifications
• Application notes for specific implementation scenarios
• IBIS models for signal integrity analysis
• Package mechanical drawings for PCB design
• Programming specifications and timing diagrams

Technical Support Channels

Rochester Electronics provides comprehensive technical support including application engineering assistance, device programming services, and obsolescence management programs ensuring long-term product availability.

Competitive Advantages and Differentiation

Extended Product Lifecycle

Unlike many legacy FPGAs facing obsolescence, the XC3195-5PQ208C remains available through Rochester Electronics’ authorized continuation program, providing security for long-lifecycle industrial and aerospace applications.

Proven Track Record

With decades of field deployment, the XC3000 series architecture demonstrates exceptional reliability and well-documented design practices, reducing development risk compared to newer, less-proven alternatives.

Cost-Effective Solution

For moderate-density applications, the XC3195-5PQ208C offers an economical alternative to higher-density devices, minimizing both component cost and development complexity.

Migration and Design Strategy

Upgrade Paths

Designers using the XC3195-5PQ208C can migrate to higher-density AMD FPGAs within the same development environment, leveraging existing HDL code and design methodologies. Pin-compatible alternatives and automated translation tools facilitate seamless transitions when additional logic capacity becomes necessary.

Design Best Practices

Optimal results with the XC3195-5PQ208C require:

• Hierarchical design methodology for manageable synthesis
• Proper clock domain crossing techniques
• Conservative timing constraints accounting for device variation
• Comprehensive simulation before hardware implementation
• Adequate power supply decoupling and distribution

Conclusion: Why Choose XC3195-5PQ208C

The XC3195-5PQ208C field programmable gate array delivers a compelling combination of proven performance, continued availability, and comprehensive technical support. For applications requiring 3,000 to 5,000 gates of programmable logic with reliable operation and long-term supply security, this FPGA represents an intelligent choice.

Whether implementing industrial control systems, telecommunications equipment, or embedded computing platforms, the XC3195-5PQ208C provides the flexibility, performance, and reliability demanded by professional electronics design. Combined with Rochester Electronics’ commitment to extended lifecycle support, this FPGA offers peace of mind for projects requiring multi-year production runs and sustained field support.

Engineers seeking a dependable, well-documented FPGA solution with established design flows and readily available technical resources will find the XC3195-5PQ208C an ideal foundation for their next programmable logic design project.