Product Overview: XCS40XL-4PQ240C Field Programmable Gate Array
The XCS40XL-4PQ240C is a versatile field programmable gate array (FPGA) from AMD Xilinx’s renowned Spartan-XL family, designed to deliver exceptional performance for cost-sensitive, high-volume production applications. This FPGA chip combines 40,000 system gates with 192 user I/O pins in a 240-pin PQFP package, making it an ideal ASIC replacement solution for demanding digital circuit designs.
Originally manufactured by Xilinx (now part of AMD), the XCS40XL-4PQ240C represents a perfect balance between functionality, performance, and affordability. Whether you’re designing telecommunications equipment, industrial motor drives, or enterprise computing systems, this FPGA provides the flexibility and reliability your project demands.
Technical Specifications Table
| Parameter |
Specification |
| Part Number |
XCS40XL-4PQ240C |
| Manufacturer |
AMD (formerly Xilinx) |
| Product Family |
Spartan-XL FPGA |
| Logic Gates |
40,000 system gates |
| Logic Cells |
1,862 cells |
| Configurable Logic Blocks (CLBs) |
784 CLBs |
| User I/O Pins |
192 I/O |
| Package Type |
240-Pin PQFP (Plastic Quad Flat Pack) |
| Operating Speed |
217 MHz maximum frequency |
| Supply Voltage |
3.3V |
| Technology |
CMOS |
| Operating Temperature |
Commercial (0°C to +70°C) |
| RoHS Compliance |
Yes (Lead-free) |
Key Features and Benefits
Advanced FPGA Architecture
The XCS40XL-4PQ240C features a sophisticated architecture with 784 configurable logic blocks, providing ample resources for implementing complex digital designs. With 40,000 system gates and 1,862 logic cells, this FPGA offers substantial design capacity while maintaining cost-effectiveness.
High-Speed Performance
Operating at speeds up to 217 MHz, the XCS40XL-4PQ240C delivers fast signal processing capabilities essential for time-critical applications. The -4 speed grade ensures reliable performance across various operating conditions.
Extensive I/O Capability
With 192 user-programmable I/O pins, this FPGA provides exceptional connectivity options for interfacing with external components, sensors, memory devices, and communication peripherals. The 240-pin PQFP package offers excellent pin density while remaining manufacturable.
In-System Programmability
The XCS40XL-4PQ240C supports in-system programming through IEEE 1149.1/1532 Boundary-Scan (JTAG), enabling rapid prototyping, easy updates, and simplified testing procedures without removing the device from your circuit board.
Cost-Effective ASIC Alternative
As part of the Spartan-XL family, this FPGA is specifically designed as a high-volume ASIC replacement, offering prices approaching mask-programmed devices while eliminating initial NRE costs, long development cycles, and manufacturing risks.
Application Areas
Industrial Automation and Control
The XCS40XL-4PQ240C excels in industrial motor drive controllers, PLC modules, and process control systems where reliability and real-time performance are critical.
Telecommunications Equipment
Deploy this FPGA in telecommunications infrastructure, including signal processing, protocol conversion, and data routing applications requiring high throughput and low latency.
Enterprise Computing Systems
Perfect for data center equipment, server management controllers, and enterprise networking devices that demand flexible, high-performance logic implementation.
Consumer Electronics
Suitable for tablets, personal electronics, and smart devices requiring customizable digital logic with moderate gate counts and extensive I/O capabilities.
Automotive Systems
Implement advanced driver assistance systems (ADAS), infotainment controllers, and automotive sensor interfaces using this reliable FPGA solution.
Design Resources and Programming
Development Tools Compatibility
The XCS40XL-4PQ240C is fully supported by Xilinx ISE Design Suite, providing comprehensive tools for:
- HDL synthesis (VHDL and Verilog)
- Place and route optimization
- Timing analysis and verification
- Bitstream generation
- In-system debugging
Configuration Options
Multiple configuration methods are supported:
- Master Serial mode
- Slave Serial mode
- SelectMAP mode
- JTAG configuration
- Configuration PROM (XC1700 series)
Package Information
240-Pin PQFP Package Details
| Package Parameter |
Value |
| Package Type |
PQFP (Plastic Quad Flat Pack) |
| Total Pins |
240 |
| Pin Pitch |
0.5mm |
| Body Size |
32mm x 32mm (nominal) |
| Package Height |
3.4mm (max) |
| Moisture Sensitivity Level |
MSL 3 |
The PQFP240 package offers excellent thermal performance and reliable solder joint formation for high-volume manufacturing environments.
Related Products and Alternatives
Spartan-XL Family Members
| Part Number |
Logic Gates |
I/O Pins |
Package Options |
| XCS30XL |
30,000 |
113-192 |
TQ144, PQ208, BG256 |
| XCS40XL-4PQ240C |
40,000 |
192 |
PQ240 |
| XCS40XL-4PQ208C |
40,000 |
169 |
PQ208 |
| XCS40XL-4BG256C |
40,000 |
205 |
BG256 |
Speed Grade Variants
- XCS40XL-3PQ240C: -3 speed grade (slower)
- XCS40XL-4PQ240C: -4 speed grade (standard)
- XCS40XL-5PQ240C: -5 speed grade (faster)
Quality and Compliance
Environmental Compliance
- RoHS Compliant: Lead-free construction meeting European environmental standards
- Green Product: Environmentally responsible manufacturing
- REACH Compliant: Meets EU chemical safety regulations
Quality Assurance
- Manufactured to ISO 9001 standards
- 100% production testing
- ESD protection on all I/O pins
- Latch-up resistant design
Why Choose XCS40XL-4PQ240C?
Proven Reliability
The Spartan-XL family has been deployed in millions of systems worldwide, providing proven reliability across diverse applications and operating environments.
Excellent Price-Performance Ratio
This FPGA delivers optimal balance between capability and cost, making it ideal for high-volume production where budget constraints are important.
Mature Ecosystem
Benefit from decades of development tools, IP cores, reference designs, and community support accumulated around the Xilinx FPGA platform.
Future-Proof Design
Field programmability enables in-field upgrades, feature additions, and bug fixes without hardware redesign, protecting your investment over the product lifecycle.
Getting Started with XCS40XL-4PQ240C
Design Flow Overview
- Specification: Define system requirements and partition functionality
- HDL Coding: Implement design using VHDL or Verilog
- Simulation: Verify functionality using ModelSim or ISim
- Synthesis: Convert HDL to gate-level netlist
- Implementation: Place and route design resources
- Configuration: Generate bitstream and program device
Recommended Development Kit
Consider the Spartan-XL development board for rapid prototyping and evaluation, featuring:
- XCS40XL-4PQ240C device
- On-board configuration PROM
- JTAG programming interface
- Clock sources and reset circuitry
- Expansion headers for custom I/O
Technical Support and Documentation
Available Resources
- Datasheet: Complete electrical and timing specifications
- User Guide: Detailed architecture and design guidelines
- Application Notes: Implementation examples and best practices
- PCB Layout Guidelines: Board design recommendations
- IBIS Models: Signal integrity simulation models
Expert Assistance
Access comprehensive technical support through:
- Xilinx community forums
- Technical knowledge base
- Application engineering support
- Online training modules
Ordering Information
Part Number Breakdown
XCS40XL-4PQ240C
- XCS: Spartan family
- 40: 40,000 system gates
- XL: Extended Spartan-XL series
- 4: Speed grade (-4)
- PQ240: Package type and pin count
- C: Commercial temperature range
Package Marking
Each device is marked with:
- Part number
- Date code
- Manufacturing lot code
- Country of origin
Frequently Asked Questions
What is the difference between XCS40XL-4PQ240C and XCS40XL-4PQ208C?
The primary difference is the package size and available I/O pins. The PQ240 variant offers 192 I/O pins versus 169 I/O pins in the PQ208 package, providing greater connectivity options for complex designs.
Is the XCS40XL-4PQ240C still in production?
The XCS40XL family is considered a mature product line. While availability may vary, authorized distributors typically maintain inventory for existing designs. For new designs, consider evaluating newer Spartan families.
What configuration PROMs are compatible?
The XCS40XL-4PQ240C works with Xilinx XC1700 series configuration PROMs, including XC1765, which provides adequate storage for the bitstream.
Can I use 5V I/O with this device?
No, the XCS40XL-4PQ240C operates at 3.3V I/O standards. Level shifters are required when interfacing with 5V logic families.
Storage and Handling
ESD Precautions
This device is ESD sensitive. Observe proper electrostatic discharge precautions:
- Use grounded wrist straps
- Work on ESD-safe surfaces
- Store in anti-static packaging
- Follow JEDEC J-STD-020 guidelines
Storage Conditions
- Temperature: -55°C to +150°C
- Humidity: <60% RH
- Shelf Life: 12 months in sealed bag
- Moisture Sensitivity: MSL 3 (168 hours at 30°C/60% RH)
Purchase XCS40XL-4PQ240C Today
Ready to implement the XCS40XL-4PQ240C in your next design? This versatile FPGA offers the perfect combination of performance, flexibility, and value for industrial and commercial applications.
For comprehensive FPGA solutions and technical resources, explore our complete range of Xilinx FPGA products and development tools.
Summary
The XCS40XL-4PQ240C represents an excellent choice for designers seeking a reliable, cost-effective FPGA solution with substantial logic resources and extensive I/O capabilities. Its 40,000 gates, 192 I/O pins, and 217 MHz operating speed make it suitable for diverse applications ranging from industrial control to telecommunications.
Whether replacing ASICs, prototyping new designs, or implementing production systems, the XCS40XL-4PQ240C delivers proven Xilinx quality backed by comprehensive development tools and worldwide support. Its PQFP240 package offers excellent manufacturability while the 3.3V operation ensures compatibility with modern digital systems.
Contact your authorized AMD Xilinx distributor today to discuss volume pricing, technical requirements, and delivery schedules for the XCS40XL-4PQ240C FPGA.
