Product Overview: XC3195A-3PG175C FPGA Technical Specifications
The XC3195A-3PG175C is a sophisticated Field Programmable Gate Array (FPGA) from AMD Xilinx’s XC3000 series, engineered to deliver exceptional performance for complex digital logic applications. This programmable logic device combines high-speed processing capabilities with flexible architecture, making it an ideal solution for telecommunications, industrial automation, and embedded systems development.
As part of the renowned Xilinx FPGA family, the XC3195A-3PG175C represents a proven technology platform trusted by engineers worldwide for mission-critical applications requiring reliable, reconfigurable logic solutions.
Key Features and Technical Advantages
Core Architecture Specifications
The XC3195A-3PG175C features advanced CMOS static memory technology with configurable logic blocks (CLBs) that provide exceptional flexibility for custom VLSI design tasks:
- Logic Capacity: 7,500 usable gates with 484 configurable logic cells
- High-Speed Performance: Toggle rates up to 270 MHz with logic delays as low as 3 nanoseconds
- System Clock Speed: Exceeds 85 MHz for demanding applications
- I/O Configuration: 120 user-programmable input/output pins
- Package Type: 175-Pin Plastic Pin Grid Array (PPGA/CPGA)
- Operating Voltage: Standard 5V operation
- Temperature Range: Industrial-grade temperature tolerance
Advanced FPGA Architecture Benefits
The XC3195A-3PG175C utilizes a Logic Cell Array (LCA) architecture composed of three essential configurable elements:
- Input/Output Blocks (IOBs): Perimeter-based I/O management for flexible interface design
- Configurable Logic Blocks (CLBs): Core array enabling custom logic implementation
- Interconnection Resources: Extensive routing capabilities with low-skew clock distribution
Technical Specifications Comparison Table
| Parameter |
XC3195A-3PG175C |
Specification Details |
| Product Family |
XC3000 Series |
XC3100 Family |
| Gate Count |
7,500 Gates |
Usable Logic Gates |
| Logic Cells |
484 Cells |
Configurable Logic Blocks |
| Maximum Frequency |
270 MHz |
Toggle Rate |
| Logic Delay |
3 ns |
Minimum Propagation Delay |
| I/O Pins |
120 Pins |
User Configurable |
| Total Pin Count |
175 Pins |
PPGA Package |
| Supply Voltage |
5V |
Standard Operating Voltage |
| Package Type |
PPGA/CPGA |
Plastic Pin Grid Array |
| Technology |
CMOS Static Memory |
High-Performance Architecture |
| Speed Grade |
-3 |
Commercial/Industrial Grade |
Application Areas and Use Cases
Primary Applications
The XC3195A-3PG175C FPGA excels in diverse application environments:
| Application Category |
Specific Use Cases |
| Telecommunications |
Protocol processing, signal routing, baseband processing |
| Industrial Control |
Programmable logic controllers, motor control, sensor interfaces |
| Digital Signal Processing |
Real-time filtering, data compression, algorithm implementation |
| Communications Systems |
Network interfaces, data encryption, packet processing |
| Embedded Systems |
Custom peripheral interfaces, system controllers, glue logic |
| Military/Aerospace |
Ruggedized control systems, avionics, radar processing |
| Computing Platforms |
Coprocessors, hardware acceleration, custom interfaces |
Design Implementation Advantages
Replaces Traditional Logic: The XC3195A-3PG175C effectively replaces TTL, MSI, and other PLD logic, consolidating multiple discrete components into a single programmable device.
System Integration: Integrates complete subsystems into a compact package, eliminating the need for multiple PCBs and reducing system complexity.
Cost-Effective Development: Avoids the non-recurring engineering (NRE) costs, time delays, and risks associated with conventional masked gate arrays.
Performance Characteristics
Speed and Timing Performance
| Performance Metric |
Specification |
Application Benefit |
| Toggle Rate |
Up to 270 MHz |
High-speed sequential logic operation |
| Logic Delay |
3 ns (minimum) |
Fast combinatorial logic paths |
| System Clock |
>85 MHz |
Real-time processing capability |
| Clock Distribution |
Low-skew networks |
Synchronous design reliability |
Power Consumption Profile
The XC3195A-3PG175C features optimized power characteristics:
- Low Quiescent Power: Minimal standby current consumption
- Efficient Active Power: Optimized for operational efficiency
- CMOS Technology: Inherent low-power design advantages
Package and Mounting Information
Physical Package Specifications
| Package Parameter |
Specification |
| Package Style |
PPGA (Plastic Pin Grid Array) |
| Pin Count |
175 Pins |
| Mounting Type |
Through-Hole |
| Body Dimensions |
Standard PPGA footprint |
| Lead Pitch |
Standard 0.1″ (2.54mm) grid |
| Thermal Performance |
Enhanced heat dissipation |
Package Benefits
- Robust Mechanical Stability: Pin grid array provides excellent PCB attachment strength
- Easy Prototyping: Compatible with standard IC sockets for development
- Thermal Management: Enhanced heat dissipation through package design
- High Reliability: Proven package technology for industrial applications
Design Tools and Development Support
Compatible Development Software
The XC3195A-3PG175C is supported by industry-standard Xilinx development tools:
- XACT Development System: Provides schematic capture and auto place-and-route functionality
- ISE Design Suite: Legacy tool support for XC3000 series devices
- Design Entry: Multiple options including schematic capture and HDL synthesis
- Verification Tools: Logic simulation, timing analysis, and in-circuit emulation
Programming and Configuration
| Feature |
Capability |
| Reprogrammability |
Unlimited reconfiguration cycles |
| Configuration Time |
Fast in-system programming |
| Design Iteration |
Easy logic changes without hardware modification |
| Configuration Storage |
On-chip SRAM-based configuration memory |
Quality and Reliability Standards
Manufacturing Quality Assurance
- 100% Factory Testing: All devices thoroughly tested before shipment
- Quality Control: Stringent manufacturing processes ensure consistency
- Reliability Testing: Extensive qualification testing performed
- Industry Standards Compliance: Meets international safety and quality standards
Operational Reliability Features
| Reliability Aspect |
Specification |
| Operating Temperature |
Industrial temperature range |
| MTBF Rating |
High mean time between failures |
| ESD Protection |
Built-in electrostatic discharge protection |
| Latch-up Immunity |
CMOS latch-up resistant design |
Competitive Advantages
Why Choose XC3195A-3PG175C
- Proven Technology Platform: Based on mature, field-tested FPGA architecture
- Flexible Design Capability: User-programmable logic adapts to specific requirements
- Cost-Effective Solution: Eliminates custom ASIC development costs and time
- Standard Product Availability: Ready for immediate volume production
- Extensive I/O Resources: 120 configurable pins support complex interfaces
- High Performance: 270 MHz toggle rates enable demanding applications
- Low Power Operation: CMOS technology minimizes power consumption
Ordering and Availability Information
Part Number Breakdown
XC3195A-3PG175C
- XC3195A: Device family and gate count identifier
- 3: Speed grade (-3 = commercial/industrial grade)
- PG175: Package type (Plastic Grid Array, 175 pins)
- C: Temperature range (Commercial: 0°C to +70°C)
Package Options Comparison
| Package Code |
Package Type |
Pin Count |
Application |
| PG175 |
Plastic Pin Grid Array |
175 |
Standard industrial applications |
| PQ160 |
Plastic Quad Flat Pack |
160 |
Space-constrained designs |
| PP175 |
Plastic Pin Grid Array |
175 |
Alternative package option |
| PQ208 |
Plastic Quad Flat Pack |
208 |
Enhanced I/O requirements |
Integration and Implementation Guidelines
PCB Design Considerations
When designing with the XC3195A-3PG175C, engineers should consider:
- Decoupling Capacitors: Proper power supply decoupling for noise reduction
- Signal Integrity: Controlled impedance routing for high-speed signals
- Ground Plane: Continuous ground plane for EMI reduction
- Clock Distribution: Careful clock routing to minimize skew
- Thermal Management: Adequate airflow or heatsinking for thermal dissipation
Interface Compatibility
| Interface Type |
Compatibility |
| Logic Levels |
TTL and CMOS compatible inputs |
| Input Thresholds |
User-selectable TTL or CMOS thresholds |
| Output Drive |
Configurable drive strength |
| 3-State Capability |
Internal 3-state bus support |
Frequently Asked Questions
Common Technical Queries
Q: What is the maximum operating frequency of the XC3195A-3PG175C?
A: The device supports toggle rates up to 270 MHz with system clock speeds exceeding 85 MHz, depending on design complexity and routing.
Q: Can the XC3195A-3PG175C be reprogrammed?
A: Yes, the FPGA offers unlimited reprogrammability, allowing easy design iterations and in-system logic changes without hardware modifications.
Q: What development tools are compatible?
A: The XC3195A-3PG175C is supported by Xilinx’s XACT development system and legacy ISE Design Suite, providing comprehensive design entry, simulation, and verification capabilities.
Q: What is the difference between speed grades?
A: Speed grade -3 indicates commercial/industrial grade performance with guaranteed timing specifications suitable for most applications. Lower numbers indicate faster performance grades.
Summary and Conclusion
The XC3195A-3PG175C represents a robust, high-performance FPGA solution for engineers requiring flexible, programmable logic capabilities in demanding applications. With 7,500 usable gates, 484 configurable logic cells, and toggle rates up to 270 MHz, this device delivers exceptional performance for telecommunications, industrial control, digital signal processing, and embedded systems development.
As part of the trusted Xilinx FPGA family, the XC3195A-3PG175C combines proven technology with modern performance characteristics, offering unlimited reprogrammability, extensive I/O resources, and comprehensive development tool support. The 175-pin PPGA package provides robust mechanical stability and excellent thermal performance for reliable operation in industrial environments.
Whether you’re replacing legacy TTL logic, integrating complex subsystems, or developing custom digital solutions, the XC3195A-3PG175C delivers the flexibility, performance, and reliability required for successful FPGA-based designs.
