Complete Technical Overview and Specifications
The XC3SD3400A-4CSG484I from AMD (formerly Xilinx) represents a powerful solution in the Spartan-3A DSP family, delivering exceptional programmable logic capabilities for demanding digital signal processing applications. This advanced FPGA combines high gate density, integrated DSP blocks, and cost-effective architecture to meet the requirements of modern embedded systems.
Product Specifications at a Glance
| Specification |
Details |
| Manufacturer |
AMD (Xilinx) |
| Part Number |
XC3SD3400A-4CSG484I |
| Product Family |
Spartan-3A DSP |
| System Gates |
3.4 Million |
| Logic Cells |
53,712 |
| Package Type |
484-Pin LCSBGA (CSPBGA) |
| Operating Temperature |
-40°C to +100°C (TJ) |
| Supply Voltage |
1.14V ~ 1.26V (1.2V nominal) |
| Speed Grade |
-4 (Standard Performance) |
Advanced Technical Features
Core Architecture Specifications
| Feature |
Specification |
| Total RAM Bits |
2,322,432 bits (283.5 kB) |
| Logic Blocks (LABs) |
5,968 |
| User I/O Pins |
309 |
| Maximum Frequency |
667 MHz |
| Process Technology |
90nm |
| DSP48A Slices |
Integrated XtremeDSP blocks |
| DCMs |
8 Digital Clock Managers |
Key Performance Advantages
The XC3SD3400A-4CSG484I FPGA delivers outstanding value for high-volume applications requiring sophisticated digital signal processing capabilities. Built on proven 90nm technology, this programmable logic device offers:
- Enhanced DSP Performance: Integrated DSP48A slices provide dedicated multiply-accumulate functionality
- Flexible Memory Architecture: Distributed RAM and block RAM resources totaling over 2.3 million bits
- Cost-Effective Solution: Optimized for high-volume, cost-sensitive applications
- Reliable Operation: Extended industrial temperature range from -40°C to +100°C
Package and Pin Configuration Details
| Package Information |
Specification |
| Package Style |
LCSBGA / CSPBGA |
| Total Pins |
484 |
| Mounting Type |
Surface Mount |
| Pin Pitch |
Compatible with standard reflow soldering |
| ESD Protection |
Built-in ESD protection circuits |
Primary Applications and Use Cases
Industrial and Embedded Systems
The XC3SD3400A-4CSG484I excels in applications requiring programmable logic with integrated DSP capabilities:
- Digital Signal Processing: Audio/video processing, image enhancement, and filtering
- Communications Equipment: Wireless infrastructure, software-defined radio, signal modulation
- Industrial Automation: Motor control, sensor interfacing, real-time data acquisition
- Consumer Electronics: Digital television (DTV), DVD players, multimedia devices
- Medical Devices: Diagnostic equipment, imaging systems, patient monitoring
- Automotive Systems: Advanced driver assistance systems (ADAS), infotainment platforms
Development and Configuration Support
Compatible Development Tools
- Xilinx ISE Design Suite: Complete design environment for synthesis and implementation
- Vivado Design Suite: Advanced development platform with enhanced productivity features
- EDK/SDK: Embedded development kit for system-level design
Configuration Options
The device supports multiple configuration modes including:
- Master Serial mode
- Slave Serial mode
- JTAG configuration
- SPI Flash configuration
Technical Comparison: Speed Grade Options
| Parameter |
-4 Speed Grade |
-5 Speed Grade |
| Performance Level |
Standard |
High Performance |
| Maximum Frequency |
667 MHz |
770 MHz |
| Temperature Range |
Commercial & Industrial |
Commercial Only |
| Power Consumption |
Lower |
Higher |
Power Supply Requirements
| Supply Rail |
Voltage Range |
Function |
| VCCINT |
1.14V ~ 1.26V |
Core logic power |
| VCCAUX |
2.5V or 3.3V |
Auxiliary circuits |
| VCCO |
1.2V ~ 3.3V |
I/O bank power |
AMD Xilinx FPGA technology provides unmatched flexibility and performance for embedded applications. The Spartan-3A DSP family specifically addresses the needs of DSP-intensive designs while maintaining cost effectiveness. This makes the XC3SD3400A-4CSG484I an ideal choice for production designs requiring programmable hardware acceleration.
Memory Architecture Overview
| Memory Type |
Capacity |
Configuration |
| Block RAM |
126 blocks |
Dual-port 18Kb blocks |
| Distributed RAM |
Flexible |
LUT-based memory |
| Total Memory |
283.5 kB |
Combined resources |
Quality and Reliability Standards
- RoHS Compliant: Lead-free package options available
- Manufacturing Quality: Rigorous testing and quality control procedures
- Long-Term Availability: Supported by AMD’s product longevity program
- ESD Rating: Meets or exceeds industry standards
Ordering Information and Part Number Breakdown
XC3SD3400A-4CSG484I Part Number Decoding:
- XC3SD3400A: Device family and density (3.4M gates)
- -4: Speed grade (standard performance)
- CSG484: Package type (484-pin CSPBGA)
- I: Industrial temperature range (-40°C to +100°C)
Thermal Characteristics
| Parameter |
Value |
| Junction Temperature Range |
-40°C to +100°C |
| Ambient Operating Temperature |
0°C to +70°C (C grade) / -40°C to +85°C (I grade) |
| Thermal Resistance |
Package dependent |
| Recommended Heat Sink |
Optional based on application |
Getting Started with XC3SD3400A-4CSG484I
Development Resources
- Reference Designs: Pre-built designs accelerate development time
- IP Cores: Licensed and free IP available through Xilinx ecosystem
- Technical Documentation: Comprehensive datasheets and user guides
- Community Support: Active developer forums and technical assistance
Design Considerations
- Ensure proper power supply sequencing and decoupling
- Follow PCB layout guidelines for signal integrity
- Implement proper thermal management for sustained operation
- Utilize configuration memory protection features
Product Availability and Support
The XC3SD3400A-4CSG484I is available through authorized distributors worldwide. For volume pricing, custom programming services, and technical support, contact qualified semiconductor distributors or AMD directly.
Competitive Advantages Summary
✓ High gate density (3.4M system gates) for complex designs
✓ Integrated DSP blocks reduce external component count
✓ Cost-optimized for high-volume production
✓ Industrial temperature range for harsh environments
✓ Comprehensive development tool support
✓ Proven 90nm manufacturing process
✓ Extensive I/O flexibility (309 user I/Os)
✓ Large on-chip memory resources (283.5 kB)
Conclusion
The XC3SD3400A-4CSG484I Spartan-3A DSP FPGA delivers an optimal balance of performance, features, and cost-effectiveness for demanding embedded applications. With its robust architecture, extensive DSP capabilities, and flexible I/O configuration, this programmable logic device serves as an excellent foundation for next-generation digital systems requiring high-performance signal processing in a cost-conscious package.
