Overview of XCS40-3PQG240C Field Programmable Gate Array
The XCS40-3PQG240C is a powerful field-programmable gate array (FPGA) from AMD’s (formerly Xilinx) renowned Spartan family, designed to deliver exceptional performance for high-volume production applications. This FPGA chip represents the perfect balance between functionality, cost-effectiveness, and reliability for engineers seeking robust ASIC replacement solutions.
Key Technical Specifications
| Specification |
Details |
| Manufacturer |
AMD (Xilinx) |
| Product Family |
Spartan FPGA Series |
| Logic Gates |
40,000 System Gates |
| Logic Cells |
1,862 Cells |
| Configurable Logic Blocks |
784 CLBs |
| User I/O Pins |
192 I/O |
| Package Type |
240-Pin PQFP (Plastic Quad Flat Pack) |
| Operating Voltage |
5V |
| Maximum Frequency |
125 MHz |
| Speed Grade |
-3 |
| Temperature Range |
Commercial (0°C to 85°C) |
Advanced Features and Architecture
Core Processing Capabilities
The XCS40-3PQG240C FPGA delivers impressive processing power with its 28 x 28 array architecture, providing 1,862 logic cells organized in 784 configurable logic blocks (CLBs). This structure enables designers to implement complex digital circuits with maximum flexibility and efficiency.
Memory and Storage Resources
| Memory Type |
Capacity |
| Distributed RAM |
1,568 bits |
| Total RAM Bits |
24.5 Kbits |
| Block RAM |
Configurable on-chip memory |
High-Speed I/O Configuration
With 192 user-programmable I/O pins, the XCS40-3PQG240C provides extensive connectivity options for interfacing with external components, peripherals, and communication protocols. The 240-pin PQFP package ensures robust signal integrity and reliable connections in demanding applications.
Primary Applications and Use Cases
Industrial Automation Systems
The XCS40-3PQG240C excels in building automation and industrial control applications where reliability and real-time processing are critical. Its programmable nature allows for customization to specific control protocols and system requirements.
Communications Equipment
This FPGA is ideally suited for:
- Wireless infrastructure components
- Network processing equipment
- Protocol conversion devices
- Signal processing applications
- Data routing systems
Automotive Electronics
The XCS40-3PQG240C finds extensive use in automotive body electronics and lighting control systems, providing the flexibility needed for modern vehicle electronic architectures.
Enterprise and Personal Electronics
From enterprise projectors to portable electronics, this FPGA enables innovative product designs across multiple consumer and professional market segments.
Performance Characteristics Comparison
| Parameter |
XCS40-3PQG240C |
Alternative Packages |
| I/O Count |
192 pins |
169 pins (208-pin package) |
| Package Size |
240-pin PQFP |
208-pin PQFP available |
| Speed Grade |
-3 (125 MHz) |
-4, -5 grades available |
| Pin Configuration |
PQG (Plastic Quad with Green) |
Standard PQ options |
Design and Development Benefits
ASIC Replacement Advantages
The Spartan FPGA family, including the XCS40-3PQG240C, provides a compelling alternative to mask-programmed ASICs by offering:
- Elimination of High Initial Costs – No expensive mask sets or NRE charges
- Rapid Development Cycles – Implement and test designs immediately
- Design Flexibility – Modify and upgrade designs in the field
- Reduced Risk – Avoid the inflexibility of fixed silicon implementations
- Time-to-Market Acceleration – Deploy products faster than traditional ASIC workflows
Programming and Configuration
The XCS40-3PQG240C supports multiple configuration methods:
- In-System Programming (ISP)
- JTAG boundary-scan programming
- IEEE Standard 1149.1/1532 compliance
- Flexible configuration memory options
Environmental and Compliance Standards
| Standard |
Status |
| RoHS Compliance |
Lead-free, RoHS compliant |
| Environmental Rating |
Green product designation |
| Package Material |
Plastic quad flat pack |
| Processing Technology |
Advanced CMOS process |
Integration with Development Tools
Engineers working with the XCS40-3PQG240C benefit from comprehensive support through industry-standard Xilinx FPGA development platforms. The Vivado Design Suite and legacy ISE tools provide complete design entry, synthesis, implementation, and verification capabilities for optimal FPGA utilization.
Supported Design Methodologies
- Schematic capture
- Hardware Description Languages (VHDL, Verilog)
- System-level design with IP cores
- Model-based design integration
- Embedded processor systems
Package and Pinout Information
Physical Dimensions
The 240-pin PQFP package provides a compact footprint suitable for space-constrained PCB designs while maintaining excellent thermal characteristics and electrical performance.
Pin Configuration Details
| Pin Type |
Quantity |
| User I/O |
192 pins |
| Power Pins |
Distributed VCCINT, VCCO |
| Ground Pins |
Multiple GND connections |
| Configuration Pins |
JTAG, mode select |
Ordering and Availability Information
Part Number Breakdown
XCS40-3PQG240C
- XCS40: Device family and gate count (40K gates)
- -3: Speed grade (-3 = 125 MHz)
- PQG: Package type (Plastic Quad with Green/Lead-free)
- 240: Pin count
- C: Commercial temperature range
Alternative Package Options
For different I/O requirements or board constraints, consider these related part numbers:
- XCS40-3PQ208C (169 I/O, 208-pin package)
- XCS40-3PQG208C (169 I/O, lead-free 208-pin)
- XCS40-4PQG240C (Higher speed grade version)
Technical Support and Resources
Design Documentation
Complete technical documentation is available including:
- Comprehensive datasheets with AC/DC specifications
- Application notes for specific implementations
- Reference designs and IP cores
- PCB layout guidelines
- Thermal management recommendations
Development Resources
Access to development boards, evaluation kits, and starter platforms enables rapid prototyping and proof-of-concept validation for XCS40-3PQG240C designs.
Quality and Reliability
AMD (Xilinx) maintains stringent quality control standards throughout the manufacturing process. The XCS40-3PQG240C undergoes extensive testing to ensure:
- Long-term reliability in production environments
- Consistent electrical performance across manufacturing lots
- Compliance with automotive and industrial quality standards
- Full traceability and quality documentation
Competitive Advantages
Cost-Effective Solution
The Spartan family delivers ASIC-competitive pricing in high volumes while maintaining the flexibility advantages inherent in programmable logic devices.
Proven Technology
With thousands of successful deployments across diverse applications, the XCS40-3PQG240C represents mature, field-proven technology that designers can specify with confidence.
Supply Chain Stability
As part of AMD’s comprehensive FPGA portfolio, the XCS40-3PQG240C benefits from established manufacturing processes and global supply chain support.
Summary
The XCS40-3PQG240C stands as an excellent choice for engineers requiring a reliable, cost-effective FPGA solution with 40,000 gates, 192 I/O pins, and proven performance in demanding applications. Whether you’re developing industrial automation systems, communications equipment, automotive electronics, or consumer products, this Spartan FPGA delivers the perfect combination of functionality, flexibility, and value.
For current pricing, inventory availability, and technical specifications, consult authorized distributors or contact AMD directly for volume pricing and engineering support.
