The XC3S250E-4FT256I is a versatile Field-Programmable Gate Array (FPGA) from Xilinx’s renowned Spartan-3E family, designed to deliver exceptional performance for cost-sensitive applications. This advanced programmable logic device combines robust functionality with energy efficiency, making it an ideal choice for developers working on embedded systems, digital signal processing, and communication applications.
Product Specifications
Core Features of XC3S250E-4FT256I
The XC3S250E-4FT256I offers impressive technical specifications that make it suitable for a wide range of applications:
Logic Capacity:
- 250,000 system gates
- 5,508 logic cells
- 216 configurable logic blocks (CLBs)
- 432 slices for flexible logic implementation
Memory Resources:
- 216 Kb of total block RAM
- 12 dedicated 18Kb block RAMs
- Distributed RAM capability within logic cells
I/O and Connectivity:
- 172 user I/O pins
- 256-pin Fine-Pitch Ball Grid Array (FTBGA) package
- Support for multiple I/O standards including LVTTL, LVCMOS, SSTL, and HSTL
Performance Specifications:
- Speed grade: -4 (high performance)
- Industrial temperature range: -40ยฐC to +100ยฐC
- Low power consumption optimized for battery-powered applications
Embedded Features:
- 4 Digital Clock Managers (DCMs)
- 16 dedicated multipliers (18×18-bit)
- IEEE 1149.1 JTAG boundary-scan support
Pricing Information
Pricing for the XC3S250E-4FT256I varies based on quantity, distributor, and current market conditions. The device is positioned as a cost-effective solution in the Spartan-3E family, offering excellent price-to-performance ratio for volume applications. Contact authorized Xilinx distributors for current pricing and availability, as costs may fluctuate based on supply chain conditions and order volumes.
Documents & Media
Technical Documentation
- Datasheet: Complete electrical and timing specifications
- User Guide: Comprehensive implementation guidelines and best practices
- Package Information: Detailed pinout diagrams and mechanical drawings
- Application Notes: Design examples and reference implementations
- Errata: Known issues and recommended workarounds
Development Resources
- ISE Design Suite compatibility: Full support for synthesis and implementation
- Reference designs: Sample projects demonstrating key features
- Simulation models: VHDL and Verilog behavioral models
- Constraint files: Template UCF files for common applications
Related Resources
Development Tools
The XC3S250E-4FT256I is fully supported by Xilinx’s comprehensive development ecosystem, including ISE Design Suite for design entry, synthesis, and implementation. The device also works with various third-party tools and IP cores.
Evaluation Platforms
Several development boards feature the XC3S250E-4FT256I, providing engineers with ready-to-use platforms for prototyping and evaluation. These boards typically include essential peripherals, connectors, and reference designs.
Complementary Products
Consider these related Spartan-3E family devices for different capacity requirements:
- XC3S100E for smaller applications
- XC3S500E for higher logic density needs
- XC3S1200E for maximum capacity requirements
Environmental & Export Classifications
Environmental Compliance
The XC3S250E-4FT256I meets stringent environmental standards:
- RoHS Compliant: Lead-free manufacturing process
- Halogen-Free: Environmentally responsible materials
- Temperature Rating: Industrial grade (-40ยฐC to +100ยฐC)
- Moisture Sensitivity Level: MSL-3 per JEDEC standards
Export Classification
- ECCN (Export Control Classification Number): 3A001.a.2
- HTS (Harmonized Tariff Schedule): 8542.31.0001
- Country of Origin: Manufactured in Xilinx-qualified facilities
Quality and Reliability
The XC3S250E-4FT256I undergoes rigorous testing and quality assurance processes, ensuring reliable operation in demanding industrial environments. The device is backed by Xilinx’s comprehensive quality management system and comes with standard product warranties.
This FPGA solution represents an excellent choice for engineers seeking a balance of performance, features, and cost-effectiveness in their programmable logic applications. The XC3S250E-4FT256I continues to be a popular choice for established designs and new developments requiring proven, reliable FPGA technology.

