XC3195A-4PC84C: Compact High-Performance FPGA Solution

1. Product Specifications

Core Architecture

• Device Family: XC3100A Series FPGA
• Gate Complexity: 7,500 maximum logic gates (6,500-7,500 typical range)
• Configurable Logic Blocks (CLBs): 484 CLBs in 22 x 22 array configuration
• User I/O Pins: 70 available I/O pins (from 84-pin package)
• Flip-Flops: 1,320 internal flip-flops for sequential logic operations
• Horizontal Longlines: 44 for efficient signal distribution and low-skew routing

Performance Characteristics

• Speed Grade: -4 (227 MHz maximum flip-flop toggle rate)
• Logic Delay: 2.5 ns typical combinatorial delay (CLB input to output)
• System Clock Rates: 50-85 MHz operational frequency range
• Clock-to-Output Delay: 2.5 ns typical sequential timing
• Technology: Advanced CMOS static memory process for high reliability

Package & Environmental Specifications

• Package Type: PC84 (84-pin Plastic Leaded Chip Carrier)
• Package Dimensions: 29.21mm x 29.21mm x 4.57mm (1.15″ x 1.15″ x 0.18″)
• Lead Pitch: 1.27mm (0.050″) on all four sides
• Operating Voltage: 5V ±5% (4.75V – 5.25V)
• Temperature Range: Commercial (0°C to +85°C junction temperature)
• Package Weight: Approximately 8 grams

Advanced Features

• Unlimited Reprogrammability: SRAM-based configuration for iterative design
• Soft Startup Feature: Controlled output activation prevents ground bounce
• Error Checking: Built-in bitstream verification during configuration
• TTL/CMOS Compatibility: Programmable input threshold selection
• 3-State Bus Support: Internal tri-state buffers for bus implementation
• On-Chip Oscillator: Crystal oscillator amplifier with divide-by-two option

2. Price Information

Current Market Pricing (USD):

• Single Unit (1 piece): $45.00 – $85.00
• Small Quantity (10-24 pieces): $35.00 – $65.00 per unit
• Medium Volume (25-99 pieces): $25.00 – $45.00 per unit
• Large Volume (100+ pieces): Contact for volume pricing

Price Factors:

• Legacy/obsolete status affects availability and pricing
• Commercial temperature grade offers cost advantage over industrial
• Compact PLCC package provides cost-effective solution
• Market fluctuations due to limited remaining inventory

Cost Considerations:

• EOL (End of Life) product with specialized sourcing required
• Premium pricing for guaranteed authentic Xilinx parts
• Long-term supply agreements available for critical applications
• Alternative sourcing through authorized distributors and brokers

3. Documents & Media

Essential Technical Documentation

• Primary Datasheet: XC3000 Series Field Programmable Gate Arrays (Version 3.1)
• Package Specifications: PLCC-84 mechanical drawings and dimensions
• Pinout Diagrams: Complete pin assignment documentation with signal descriptions
• Electrical Characteristics: DC/AC parameters and switching characteristics
• Configuration Guide: Programming modes and bitstream requirements

Development Documentation

• XACT Development System Manual: Complete design flow documentation
• Application Notes: Design optimization techniques and best practices
• Programming Reference: Configuration modes and programming procedures
• Timing Analysis Guide: Setup/hold requirements and timing calculations
• Package Assembly Guide: PCB layout recommendations for PLCC mounting

Design Resources

• SPICE Models: Circuit simulation models for timing analysis
• PCB Footprint Libraries: CAD library files for major EDA tools
• Reference Designs: Example implementations and proven configurations
• Migration Guide: Upgrade paths to current Xilinx FPGA families
• Compatibility Matrix: Pin-compatible device alternatives

Visual Resources

• High-Resolution Images: Professional package photography for documentation
• Internal Architecture Diagrams: Block diagrams showing CLB and routing structure
• Application Schematics: Typical use case circuit examples
• 3D Package Models: STEP files for mechanical design verification

4. Related Resources

Development Environment

• Xilinx XACT Suite: Primary development toolchain for design entry and implementation
• Third-Party EDA Support: Viewlogic, Cadence, Mentor Graphics integration
• Simulation Tools: Logic and timing simulation capabilities
• In-Circuit Verification: Real-time debugging and signal probing
• Design Rule Checker: Automated verification of design constraints

Companion Components

• Configuration Memory: XC17XX series Serial Configuration PROMs
• Clock Generation: Compatible crystal oscillators and clock management ICs
• Power Management: 5V regulators and power sequencing circuits
• Level Translation: Interface circuits for mixed-voltage systems
• Protection Components: ESD protection and signal conditioning

Application Domains

• Communications Equipment: Protocol processors and interface controllers
• Industrial Control Systems: Motor control and sensor interface applications
• Test & Measurement: Custom instrumentation and signal processing
• Embedded Computing: Coprocessors and peripheral controllers
• Legacy System Maintenance: Replacement parts for existing designs

Compatible Alternatives

• XC3195A-3PC84C: Higher speed grade (-3, 270MHz) version
• XC3195A-4PC84I: Industrial temperature range variant
• XC3190A-4PC84C: Lower gate count (6K gates) alternative
• Modern Replacements: Current Xilinx Spartan/Artix families for new designs

Cross-Reference Parts

• Pin-Compatible Devices: Other XC3000 series in PC84 package
• Functional Equivalents: Altera/Intel and Lattice FPGA alternatives
• Upgrade Path: Migration to current-generation FPGAs
• Second Source: Authorized distributor and broker network

5. Environmental & Export Classifications

Environmental Specifications

• RoHS Compliance: Pre-RoHS device (contains lead in package materials)
• Operating Temperature: 0°C to +85°C junction temperature (Commercial grade)
• Storage Temperature: -65°C to +150°C ambient
• Relative Humidity: 5% to 95% non-condensing
• Thermal Resistance: θJA = 35°C/W (still air), θJC = 15°C/W

Reliability & Quality Standards

• Quality Assurance: MIL-STD-883 Class B equivalent testing
• MTBF Rating: >500,000 hours at 25°C ambient
• ESD Sensitivity: Class 1B (1000V HBM), Class C2 (200V MM)
• Package Integrity: Plastic PLCC suitable for commercial applications
• Latch-up Immunity: >100mA per JEDEC JESD78 standards

Regulatory Compliance

• Export Control: EAR99 classification under Export Administration Regulations
• Country of Origin: United States (Xilinx/AMD manufacturing)
• REACH Compliance: Pre-REACH product, contact manufacturer for substance information
• Conflict Minerals: Manufactured prior to conflict minerals regulations
• WEEE Directive: Subject to European electronic waste disposal requirements

Packaging & Handling

• Moisture Sensitivity: MSL 3 (168 hours at 30°C/60% RH after bag opening)
• Anti-Static Precautions: ESD-sensitive device requiring proper handling procedures
• Shipping Container: Anti-static tube or tape/reel packaging
• Lead Time: 4-16 weeks typical depending on distributor stock
• Minimum Order: 1 piece (may vary by supplier)

Global Certifications

• CE Marking: Compliant for European market distribution
• FCC Compliance: Tested for electromagnetic compatibility
• ISO 9001: Manufactured under quality management system
• TS 16949: Automotive quality system compliance (where applicable)
• IPC Standards: PCB assembly guidelines for PLCC package mounting

End-of-Life Considerations

• Obsolescence Status: Discontinued product with limited remaining stock
• Last Time Buy: Consult with Xilinx/AMD for final procurement opportunities
• Long-Term Support: Authorized distributors provide continued availability
• Design Migration: Xilinx provides migration tools for current FPGA families
• Documentation Archive: Technical resources maintained for legacy support

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Why Choose XC3195A-4PC84C?

The XC3195A-4PC84C delivers proven FPGA performance in a compact, cost-effective PLCC package ideal for space-constrained commercial applications. With 7,500 gates of programmable logic and 70 I/O pins, this device provides substantial capability while maintaining compatibility with standard PCB assembly processes. The commercial temperature range and proven reliability make it suitable for a wide range of industrial and commercial applications requiring long-term availability.

For technical support, current pricing, or design assistance, contact authorized Xilinx distributors or legacy component specialists.