The XC3S250E-4FT256C is a versatile and cost-effective FPGA (Field Programmable Gate Array) from Xilinx’s popular Spartan-3E family. This programmable logic device delivers exceptional performance for embedded processing applications, digital signal processing, and system prototyping requirements.
Product Specifications
The XC3S250E-4FT256C features robust specifications designed for demanding applications:
Core Logic Resources:
- 250,000 system gates capacity
- 5,508 logic cells with distributed RAM capability
- 489 CLB (Configurable Logic Block) slices
- Speed grade: -4 (high performance)
Memory Architecture:
- 216 Kb total block RAM
- 12 dedicated 18Kb block RAM modules
- Distributed RAM integrated within logic cells
I/O and Connectivity:
- 172 user I/O pins available
- Multiple I/O standards support including LVTTL, LVCMOS, SSTL, HSTL
- FT256 package: 256-pin Fine Pitch Ball Grid Array (FBGA)
- Advanced I/O features with programmable drive strength
Clock Management:
- Up to 4 Digital Clock Manager (DCM) blocks
- Clock frequency synthesis and phase shifting capabilities
- Multiple global clock networks for timing optimization
Operating Conditions:
- Commercial temperature range: 0ยฐC to +85ยฐC
- Industrial variants available
- Multiple voltage options supported
Price Information
The XC3S250E-4FT256C pricing varies based on quantity, packaging requirements, and supplier. Contact authorized Xilinx distributors for current pricing and availability. Volume discounts are typically available for production quantities, making this FPGA an economical choice for both prototyping and manufacturing applications.
Documents & Media
Essential Documentation for XC3S250E-4FT256C:
Datasheets and Technical References:
- Spartan-3E FPGA Family Data Sheet (DS312)
- XC3S250E-4FT256C Product Brief
- Spartan-3E FPGA User Guide
- Package and Pinout Specifications
Design Resources:
- ISE Design Suite compatibility documentation
- Constraint file templates for FT256 package
- Reference designs and application notes
- Power consumption analysis guides
Development Tools:
- Xilinx ISE WebPACK (free development environment)
- ChipScope Pro debugging tools compatibility
- Third-party synthesis tool support documentation
Related Resources
Compatible Development Boards:
- Spartan-3E Starter Kit featuring XC3S250E
- Custom evaluation boards from third-party vendors
- University program development platforms
Complementary Products:
- Configuration memory devices (Platform Flash, SPI Flash)
- Power management solutions for Spartan-3E FPGAs
- Clock generation and distribution components
- Interface and connectivity solutions
Software Tools:
- Xilinx Vivado Design Suite (for migration planning)
- ModelSim simulation environment
- MATLAB/Simulink integration tools
- Open-source development frameworks
Application Areas:
- Digital signal processing implementations
- Embedded system prototyping
- Communications infrastructure
- Industrial automation and control
- Educational and research projects
Environmental & Export Classifications
Environmental Compliance: The XC3S250E-4FT256C meets stringent environmental standards:
- RoHS compliant (lead-free manufacturing)
- REACH regulation compliance
- Halogen-free package options available
- Green packaging initiatives supported
Export Control Information:
- Export Control Classification Number (ECCN): 3A001.a.7
- Subject to US Export Administration Regulations (EAR)
- License requirements may apply for certain destinations
- Consult current export regulations before international shipment
Quality and Reliability:
- Automotive qualified versions available (XQR series)
- Military temperature range options
- Comprehensive qualification testing performed
- Long-term supply commitment from Xilinx
Package Environmental Data:
- Moisture sensitivity level classification
- Storage and handling requirements
- Lead-free soldering profile compatibility
- Thermal management considerations for FT256 package
The XC3S250E-4FT256C represents an excellent balance of performance, features, and cost-effectiveness for FPGA-based designs. Its proven Spartan-3E architecture, combined with comprehensive development tool support, makes it an ideal choice for both educational projects and commercial applications requiring reliable programmable logic solutions.
