Overview of XC3SD3400A-5CSG484C FPGA
The XC3SD3400A-5CSG484C is a high-performance field-programmable gate array from AMD Xilinx’s renowned Spartan-3A DSP family. This advanced Xilinx FPGA delivers exceptional processing power with 3.4 million system gates and 53,712 logic cells, making it ideal for demanding applications in telecommunications, industrial automation, automotive systems, and embedded computing solutions.
Manufactured using cutting-edge 90nm technology, the XC3SD3400A-5CSG484C combines cost-effectiveness with robust performance characteristics, offering engineers a versatile solution for complex digital signal processing tasks.
Key Technical Specifications
Core Architecture Features
| Specification |
Value |
Details |
| FPGA Family |
Spartan-3A DSP |
High-performance DSP-optimized series |
| System Gates |
3.4 Million |
Extensive logic resources |
| Logic Cells |
53,712 |
Configurable logic elements |
| CLBs |
5,968 |
Configurable Logic Blocks |
| Operating Frequency |
770 MHz |
-5 speed grade performance |
| Process Technology |
90nm |
Advanced manufacturing |
| Core Voltage |
1.2V (1.14V – 1.26V) |
Low power consumption |
Memory Configuration
| Memory Type |
Capacity |
Performance |
| Total RAM |
2,322,432 bits (283.5 kB) |
High-speed embedded memory |
| Block RAM |
Up to 2,268 Kbits |
280 MHz operation (standard -4 grade) |
| Distributed RAM |
Up to 373 Kbits |
Flexible memory architecture |
| RAM Features |
Byte write enables |
Optimized for processor applications |
Package and Physical Characteristics
| Parameter |
Specification |
| Package Type |
484-pin CSPBGA (Chip Scale Package BGA) |
| Package Dimensions |
19mm × 19mm |
| Total Pins |
484 |
| User I/O Pins |
309 |
| Differential Pairs |
Up to 227 |
| Mounting Type |
Surface Mount Technology (SMT) |
| Operating Temperature |
0°C to 85°C (Commercial grade) |
| Moisture Sensitivity |
MSL 3 (168 hours) |
| RoHS Compliance |
Lead-free, RoHS compliant |
Advanced DSP Capabilities
XtremeDSP DSP48A Slices
The XC3SD3400A-5CSG484C features dedicated DSP resources designed for high-speed digital signal processing:
- 250 MHz DSP48A Slices – Optimized for cost-conscious applications requiring high DSP performance
- 18-bit × 18-bit Dedicated Multiplier – Hardware multiplication for efficient processing
- 48-bit Accumulator – Built-in accumulation for multiply-accumulate (MAC) operations
- Integrated 18-bit Pre-adder – Enhanced arithmetic capabilities
- Pipeline Stages – Achieves minimum 250 MHz performance in standard -4 speed grade
- Cascaded Operations – Support for complex multiply or multiply-add operations
Power and Voltage Specifications
| Parameter |
Rating |
Notes |
| Core Voltage (VCCINT) |
1.2V ±5% |
1.14V – 1.26V range |
| Auxiliary Voltage (VCCAUX) |
Dual-range support |
Simplifies 3.3V-only designs |
| Power Modes |
Suspend, Hibernate |
Reduced system power consumption |
| Low-Power Option |
Available |
Reduces quiescent current |
SelectIO Technology and Interface Standards
The XC3SD3400A-5CSG484C supports multiple I/O standards for flexible system integration:
- Multi-voltage Interface Support – Compatible with various voltage levels
- Multi-standard SelectIO Pins – Configurable to numerous industry standards
- High-Speed Differential Signaling – Up to 227 differential signal pairs
- Maximum I/O Count – Up to 519 I/O pins (device dependent)
- Registered Outputs – Enhanced signal integrity and timing
Typical Applications
Telecommunications Systems
The XC3SD3400A-5CSG484C excels in telecommunications infrastructure, providing the processing power needed for:
- Digital signal processing
- Protocol conversion
- High-speed data transmission
- Network packet processing
Industrial Control and Automation
Industrial applications benefit from the FPGA’s reliability and performance:
- Real-time control systems
- Machine vision processing
- Motor control algorithms
- Sensor data acquisition and processing
Automotive Electronics
Automotive systems leverage the device’s robust operating temperature range:
- Advanced driver assistance systems (ADAS)
- Infotainment processing
- Vehicle communication networks
- Embedded control units
Medical and Scientific Instrumentation
Precision applications require the FPGA’s accuracy and speed:
- Medical imaging processing
- Laboratory equipment control
- Data acquisition systems
- Signal analysis and filtering
Design and Development Support
Compatible Design Tools
- Xilinx ISE Design Suite – Complete design environment
- Vivado Design Suite – Modern design flow with enhanced usability
- XtremeDSP Development Kit – Specialized DSP design resources
Programming and Configuration
- In-System Programmability – Field upgrades without hardware replacement
- Flexible Configuration Options – Multiple programming modes supported
- Superior ASIC Alternative – Avoids high initial costs and lengthy development cycles
Comparison with Related Devices
| Device Model |
System Gates |
Logic Cells |
Package Options |
| XC3S1400A |
1.4M |
25,344 |
Various |
| XC3SD1800A |
1.8M |
37,440 |
Multiple options |
| XC3SD3400A |
3.4M |
53,712 |
484-CSPBGA |
Quality and Reliability Features
Environmental Compliance
- RoHS Compliant – Environmentally friendly, lead-free construction
- Halogen-Free Options – Available for specific environmental requirements
- MSL 3 Rating – Moisture sensitivity level ensures reliability after 168 hours exposure
Temperature Performance
- Commercial Grade – 0°C to 85°C operating range
- Industrial Options – Extended temperature variants available in family
Ordering Information and Availability
Part Number Breakdown
XC3SD3400A-5CSG484C
- XC3SD3400A – Device type and density
- -5 – Speed grade (high performance, 770 MHz)
- CSG484 – Package type and pin count
- C – Commercial temperature range
Package Marking
Standard package markings include device identification, speed grade, and manufacturing information for traceability.
Why Choose XC3SD3400A-5CSG484C?
Advantages Over ASICs
- Lower Initial Investment – No mask costs or NRE charges
- Faster Time to Market – Programmable logic eliminates fabrication delays
- Design Flexibility – Field-upgradeable without hardware changes
- Risk Mitigation – Design modifications possible post-deployment
Cost-Effective DSP Solution
The Spartan-3A DSP family delivers professional-grade DSP performance at a price point suitable for high-volume production, making the XC3SD3400A-5CSG484C ideal for cost-sensitive applications.
Proven Architecture
Built on Xilinx’s industry-leading FPGA technology, the device benefits from decades of architectural refinement and extensive field deployment validation.
Technical Support and Documentation
Available Resources
- Comprehensive Datasheets – Detailed electrical and timing specifications
- Application Notes – Design guidance and best practices
- Reference Designs – Proven implementation examples
- Technical Forums – Community support and expertise
Design Services
Many distributors and third-party providers offer design services, custom programming, and technical consultation for XC3SD3400A-5CSG484C implementations.
Storage and Handling Recommendations
Proper Storage Conditions
- Store in original moisture barrier bag when not in use
- Maintain storage temperature between 15°C and 30°C
- Limit humidity exposure per MSL 3 requirements
- Floor life of 168 hours after bag opening
ESD Precautions
Follow standard electrostatic discharge precautions during handling and assembly to prevent device damage.
Frequently Asked Questions
What makes the XC3SD3400A-5CSG484C suitable for DSP applications?
The device features dedicated DSP48A slices with 18×18 multipliers, 48-bit accumulators, and pipeline stages optimized for multiply-accumulate operations at 250 MHz, making it ideal for signal processing tasks.
Is the device compatible with lead-free assembly processes?
Yes, the XC3SD3400A-5CSG484C is fully RoHS compliant and designed for lead-free surface mount assembly.
What is the difference between -4 and -5 speed grades?
The -5 speed grade offers higher performance (770 MHz maximum frequency) compared to the -4 grade (667 MHz), exclusively available in the commercial temperature range.
Can this FPGA replace an ASIC design?
Absolutely. The XC3SD3400A-5CSG484C provides a flexible, cost-effective alternative to ASICs, eliminating mask costs and enabling field upgrades.
Conclusion
The XC3SD3400A-5CSG484C represents an excellent choice for engineers requiring high-performance FPGA capabilities with integrated DSP resources. Its combination of 3.4 million gates, 53,712 logic cells, and dedicated DSP48A slices delivers the processing power needed for demanding applications across telecommunications, industrial, automotive, and embedded computing markets.
With its cost-effective architecture, comprehensive I/O support, and field-programmable flexibility, the XC3SD3400A-5CSG484C from the Spartan-3A DSP family continues to be a preferred solution for designers seeking reliable, high-performance programmable logic devices.
For detailed technical specifications, pricing information, and availability, consult authorized distributors or visit the manufacturer’s documentation resources.
