Overview of XC3190A-4PQ160I FPGA
The XC3190A-4PQ160I is a powerful field-programmable gate array (FPGA) from Xilinx’s acclaimed XC3000 Series, specifically designed for demanding digital logic applications. This industrial-grade FPGA delivers exceptional performance with 6,000 usable gates, 320 configurable logic blocks, and operates reliably across extended temperature ranges, making it ideal for telecommunications, industrial automation, and embedded systems.
As part of the XC3100A family, the XC3190A-4PQ160I combines flexibility with robust performance characteristics. Engineers and designers seeking reliable programmable logic solutions will find this FPGA perfectly suited for custom VLSI design tasks, MSI/TTL logic replacement, and complete subsystem integration.
Key Technical Specifications
Core Performance Parameters
| Specification |
Value |
| Part Number |
XC3190A-4PQ160I |
| Manufacturer |
Xilinx (Now AMD) |
| Product Family |
XC3000 Series FPGAs (XC3100A) |
| Usable Gates |
6,000 Gates |
| Logic Cells |
320 Configurable Logic Blocks (CLBs) |
| Speed Grade |
-4 (270 MHz typical) |
| Operating Voltage |
5V |
| Package Type |
PQ160 (160-Pin Plastic Quad Flat Pack) |
| Temperature Range |
Industrial (-40°C to +100°C) |
| Technology |
CMOS Static Memory |
Advanced FPGA Features
| Feature Category |
Specifications |
| I/O Pins |
160-Pin PQFP Package with Multiple I/O Blocks (IOBs) |
| Configuration Memory |
Internal Static RAM-based Configuration |
| Maximum Toggle Rate |
Up to 270 MHz |
| Input Thresholds |
TTL or CMOS Compatible |
| Reprogrammability |
Unlimited In-System Reconfiguration |
| Clock Distribution |
Low-Skew Clock Networks |
| Internal Features |
3-State Bus Capabilities, On-Chip Oscillator Amplifier |
Product Architecture and Design
Configurable Logic Block (CLB) Structure
The XC3190A-4PQ160I features a sophisticated Logic Cell Array (LCA) architecture comprising three configurable elements:
- Perimeter I/O Blocks (IOBs): Provide flexible interfacing with external components
- Core Array of Configurable Logic Blocks (CLBs): 320 blocks offering extensive combinatorial and register capabilities
- Programmable Interconnect Resources: Flexible routing for signal distribution and clock management
Configuration and Programming
This FPGA supports multiple configuration modes to accommodate various system requirements:
- Serial Configuration: Via XC17XX Serial Configuration PROMs
- Master/Slave Modes: Flexible system integration options
- External Storage: EEPROM, EPROM, or ROM-based program data
- Automatic Loading: Optional on-chip initialization at power-up
Application Areas
Industrial and Commercial Applications
The XC3190A-4PQ160I excels in numerous demanding environments:
Telecommunications
- Digital signal processing
- Protocol converters
- Network interface controllers
- Communication systems
Industrial Automation
- Control system implementation
- Sensor interface logic
- Motor control applications
- Real-time monitoring systems
Embedded Systems
- Custom logic integration
- State machine implementation
- Interface bridging
- Prototype development
Legacy System Replacement
- TTL/MSI logic consolidation
- PLD replacement
- System upgrades
- Cost reduction initiatives
Performance Advantages
Why Choose XC3190A-4PQ160I?
High-Speed Operation
With a speed grade of -4, this FPGA achieves toggle rates up to 270 MHz, ensuring excellent performance for time-critical applications. The low-skew clock distribution network guarantees reliable synchronous operation across your entire design.
Industrial Temperature Range
The “I” suffix indicates industrial temperature rating (-40°C to +100°C), making this device suitable for harsh environments where consumer-grade components would fail.
Flexible Architecture
The 320 configurable logic blocks provide substantial design flexibility, allowing you to implement complex digital functions while maintaining efficient resource utilization.
Cost-Effective Integration
By consolidating multiple discrete logic components into a single FPGA, designers can reduce board space, power consumption, and overall system cost.
Design Development Tools
Compatible Development Environments
Engineers working with the XC3190A-4PQ160I can leverage industry-standard tools:
- XACT Development System: Schematic capture and auto place-and-route
- ISE Design Suite: Legacy support for XC3000 Series
- Logic Simulation: Comprehensive timing verification
- In-Circuit Emulation: Real-time debugging capabilities
Programming and Configuration
The device supports multiple programming methodologies:
- One-Time Programmable (OTP) PROMs: Using XC17XX series
- EEPROM-Based Storage: For field-updatable systems
- In-System Programming (ISP): Enable firmware updates without removal
Package Information: PQ160 Details
Physical Characteristics
| Parameter |
Specification |
| Package Type |
PQFP (Plastic Quad Flat Pack) |
| Total Pins |
160 |
| Pin Pitch |
0.635mm (0.025″) |
| Body Size |
28mm x 28mm (nominal) |
| Mounting Type |
Surface Mount Technology (SMT) |
| Lead Style |
Gull Wing |
PCB Design Considerations
When designing with the PQ160 package:
- Ensure adequate thermal management for industrial applications
- Follow recommended land pattern guidelines
- Implement proper decoupling capacitor placement
- Consider controlled impedance for high-speed signals
Comparison with Related Products
XC3190A Series Variants
| Part Number |
Speed Grade |
Package |
Temperature |
| XC3190A-4PQ160I |
-4 (270 MHz) |
PQ160 |
Industrial |
| XC3190A-5PQ160I |
-5 (227 MHz) |
PQ160 |
Industrial |
| XC3190A-4PQ208C |
-4 (270 MHz) |
PQ208 |
Commercial |
| XC3190A-5PG175C |
-5 (227 MHz) |
PG175 |
Commercial |
Migration Path
For higher gate counts, consider these Xilinx FPGA alternatives:
- XC3195A Series: Up to 7,500 gates
- XC4000 Series: Enhanced features and performance
- Spartan Series: Modern, cost-effective alternatives
Quality and Reliability
Manufacturing Standards
The XC3190A-4PQ160I is manufactured to rigorous quality standards:
- CMOS Technology: Ensures low power consumption and high reliability
- Static Memory Configuration: No configuration refresh required
- ESD Protection: Built-in protection circuits
- Quality Assurance: Full electrical testing and screening
Long-Term Availability
Note: The XC3000 Series has reached end-of-life status with Xilinx. However, authorized distributors like Rochester Electronics continue to provide lifecycle support through licensed manufacturing and die stockpiling programs.
Ordering and Procurement
Part Number Nomenclature
Understanding the XC3190A-4PQ160I part number:
- XC3190A: Base device (6K gates, XC3100A family)
- -4: Speed grade (-4 = 270 MHz typical)
- PQ160: Package type and pin count
- I: Industrial temperature range
Availability
This component is available through:
- Authorized Xilinx/Rochester Electronics distributors
- Electronic component marketplaces
- Specialized FPGA suppliers
Quality Considerations
When sourcing XC3190A-4PQ160I devices:
- Verify supplier authorization and authenticity
- Request proper documentation and certificates
- Confirm date codes for long-term storage considerations
- Ensure proper ESD handling protocols
Technical Support Resources
Documentation
Designers should reference the following resources:
- XC3000 Series Datasheet
- XC3100A Family User Guide
- XACT Development System documentation
- Application notes for specific use cases
Design Assistance
For complex implementations, consider:
- FPGA design consultants with XC3000 experience
- Legacy system support specialists
- PCB design services for optimal layout
Conclusion
The XC3190A-4PQ160I represents a proven FPGA solution for applications requiring reliable, high-performance programmable logic. Its 6,000-gate capacity, industrial temperature rating, and flexible architecture make it an excellent choice for telecommunications, industrial control, and embedded system applications.
While newer FPGA families offer enhanced features, the XC3190A-4PQ160I continues to serve in legacy equipment and applications where its specific characteristics provide optimal performance. For new designs, evaluate whether modern Xilinx FPGA solutions might offer better long-term support and enhanced capabilities.
Whether you’re maintaining existing equipment or developing specialized applications, the XC3190A-4PQ160I delivers the performance, reliability, and flexibility required for successful implementation.
Frequently Asked Questions (FAQ)
Q: Is the XC3190A-4PQ160I still in production? A: The original Xilinx production has ended, but authorized distributors like Rochester Electronics provide lifecycle support through licensed manufacturing.
Q: What development tools are compatible? A: The XACT Development System and ISE Design Suite (legacy versions) support the XC3000 Series FPGAs.
Q: Can this FPGA replace multiple TTL ICs? A: Yes, the 6,000 usable gates can consolidate numerous discrete logic components into a single, programmable device.
Q: What is the difference between -4 and -5 speed grades? A: The -4 speed grade offers faster performance (270 MHz typical) compared to -5 grade (227 MHz typical).
Q: Is the device RoHS compliant? A: Availability varies by distributor. Check with your supplier for specific compliance information.
