Overview of the XA7A35T-1CSG325Q FPGA
The XA7A35T-1CSG325Q is an automotive-grade Field Programmable Gate Array from AMD’s renowned Artix-7 XA family. This high-performance FPGA combines exceptional processing capabilities with automotive reliability standards, making it ideal for mission-critical applications in harsh environments. Built on advanced 28nm HKMG technology, this device delivers outstanding performance per watt while meeting stringent automotive requirements.
The XA7A35T-1CSG325Q features 33,280 logic cells packaged in a compact 324-pin CSBGA format, offering 150 user I/O pins for flexible system integration. As a member of the Xilinx FPGA product line, it provides designers with powerful reconfigurable logic capabilities combined with automotive-grade reliability.
Key Specifications and Technical Features
Core Architecture Specifications
| Parameter |
Specification |
| Logic Cells |
33,280 |
| Configurable Logic Blocks (CLBs) |
2,600 |
| Maximum Distributed RAM |
1,843,200 bits |
| Block RAM |
1.8 Mb |
| DSP Slices |
90 |
| User I/O Pins |
150 |
| Maximum Operating Frequency |
1,098 MHz |
Package and Physical Characteristics
| Parameter |
Specification |
| Package Type |
324-LFBGA, CSPBGA |
| Total Pins |
324 |
| Temperature Grade |
Automotive (-40°C to +125°C) |
| Process Technology |
28nm HKMG (High-K Metal Gate) |
| Supply Voltage |
1.0V core |
| Package Dimensions |
Compact ball grid array |
Advanced Features and Capabilities
High-Performance Processing Engine
The XA7A35T-1CSG325Q FPGA incorporates cutting-edge processing capabilities that enable complex digital signal processing and real-time data manipulation. With 90 DSP slices, this device can execute 264 GMAC/s operations, making it suitable for automotive vision systems, sensor fusion applications, and advanced driver assistance systems (ADAS).
Memory Architecture
The device features a sophisticated memory hierarchy including:
- Block RAM: 1.8 Mb of dual-port block RAM with built-in FIFO logic
- Distributed RAM: Over 1.8 million bits configurable from LUT resources
- DDR3 Support: High-speed memory controller supporting up to 1,866 Mb/s interfaces
Advanced I/O Technology
The XA7A35T-1CSG325Q implements SelectIO technology with support for multiple I/O standards, including:
- DDR3/DDR3L memory interfaces
- LVDS, LVPECL signaling
- LVCMOS at various voltage levels
- High-speed serial connectivity up to 6.6 Gb/s
Automotive-Grade Reliability Features
AEC-Q100 Qualification
The XA7A35T-1CSG325Q meets the rigorous AEC-Q100 automotive qualification standards, ensuring reliable operation in automotive environments. This qualification includes:
- Extended temperature range operation (-40°C to +125°C)
- Enhanced screening and testing procedures
- Long-term reliability validation
- Automotive supply chain management
Integrated Analog Mixed Signal (AMS)
This FPGA includes advanced analog capabilities with:
- Dual 12-bit ADCs
- 1 MSPS sampling rate
- 17 analog input channels
- On-chip voltage and temperature monitoring
Application Areas and Use Cases
Automotive Applications
The XA7A35T-1CSG325Q excels in automotive applications including:
- Advanced Driver Assistance Systems (ADAS)
- Automotive infotainment systems
- In-vehicle networking and gateway controllers
- Camera and sensor processing modules
- Instrument cluster displays
- Powertrain control systems
Industrial Control Systems
The device’s robust design makes it suitable for:
- Industrial automation controllers
- Motor control applications
- Factory automation equipment
- Real-time process monitoring
- Machine vision systems
Communication Infrastructure
Leverage high-speed I/O for:
- Protocol conversion bridges
- Network packet processing
- Software-defined radio applications
- Base station equipment
- Edge computing nodes
Development and Programming Support
Design Tools Compatibility
The XA7A35T-1CSG325Q is fully supported by AMD’s Vivado Design Suite, providing comprehensive development capabilities:
- High-level synthesis (HLS) support
- IP integrator for system-level design
- Logic synthesis and implementation
- Timing analysis and optimization
- Power analysis tools
Programming Options
Multiple programming interfaces are supported:
- JTAG boundary-scan programming
- SelectMAP configuration
- Serial peripheral interface (SPI)
- Microcontroller-based configuration
Performance Advantages Over Previous Generations
Power Efficiency Improvements
The 28nm HKMG process technology delivers:
- 50% lower power consumption compared to Spartan-6 family
- Advanced power management features
- Dynamic power scaling capabilities
- Optimized static power characteristics
Density and Performance
The XA7A35T-1CSG325Q offers:
- Higher logic density in smaller package footprint
- Improved routing architecture for better performance
- Enhanced DSP performance for signal processing
- Faster block RAM access times
Comparison with Related Products
XA7A35T Family Variants
| Part Number |
I/O Pins |
Package |
Key Difference |
| XA7A35T-1CSG325Q |
150 |
324-CSBGA |
Standard automotive grade |
| XA7A35T-1CSG324Q |
210 |
324-CSBGA |
More I/O pins available |
| XA7A35T-1CPG236Q |
106 |
236-BGA |
Smaller package option |
Positioning in Artix-7 XA Portfolio
The XA7A35T-1CSG325Q sits in the mid-range of the Artix-7 XA family:
- XA7A25T: Entry-level with 23,360 logic cells
- XA7A35T-1CSG325Q: Mid-range performance (33,280 cells)
- XA7A50T: Higher capacity with 52,160 logic cells
- XA7A100T: Maximum capacity with 101,440 logic cells
Technical Design Considerations
Thermal Management
Proper thermal design is essential for automotive applications:
- Maximum junction temperature: 125°C
- Thermal resistance varies by package and mounting
- Consider heat sink requirements for high-utilization designs
- Use AMD’s power estimation tools for thermal planning
Power Supply Design
The XA7A35T-1CSG325Q requires multiple power rails:
- VCCINT: 1.0V core logic supply
- VCCAUX: 1.8V auxiliary supply
- VCCO: I/O supply (1.2V to 3.3V depending on I/O standards)
- VCCBRAM: Block RAM supply (1.0V)
Signal Integrity Guidelines
Maintain signal integrity through:
- Proper PCB stack-up design
- Controlled impedance traces for high-speed signals
- Adequate decoupling capacitor placement
- Ground plane continuity
Ordering Information and Package Details
Standard Part Number Breakdown
XA7A35T-1CSG325Q decodes as follows:
- XA: Automotive-grade qualification
- 7A35: Artix-7 architecture, 35K logic cell variant
- T: Temperature grade designation
- -1: Speed grade (commercial grade)
- CSG325: Package type (324-pin CSBGA)
- Q: Lead-free qualification
Package Dimensions and Mounting
The 324-pin CSBGA package features:
- Ball pitch: 0.8mm
- Package footprint: 15mm x 15mm
- Height profile: Low-profile design for space-constrained applications
- Lead-free RoHS compliant construction
Quality and Compliance Standards
Certifications and Standards
The XA7A35T-1CSG325Q meets multiple industry standards:
- AEC-Q100 automotive qualification
- RoHS compliant (lead-free)
- REACH regulation compliance
- ISO/TS 16949 manufacturing quality
Reliability Testing
Each device undergoes comprehensive testing:
- High-temperature operating life testing
- Temperature cycling qualification
- Moisture sensitivity level testing
- Electrostatic discharge protection validation
Getting Started with XA7A35T-1CSG325Q
Evaluation Platforms
AMD and third-party vendors offer development boards featuring the XA7A35T-1CSG325Q or similar devices for rapid prototyping and system validation.
Documentation Resources
Essential documentation includes:
- Product specification datasheet
- Packaging and pinout documentation
- Application notes for automotive applications
- Power supply design guidelines
- PCB layout recommendations
Technical Support
AMD provides comprehensive technical support through:
- Online knowledge base and forums
- Application engineering assistance
- Design review services
- Training and educational resources
Pricing and Availability
The XA7A35T-1CSG325Q is available through authorized distributors worldwide. Pricing varies based on volume and packaging options. Standard lead times apply for production quantities, with expedited delivery options available for urgent requirements.
For current pricing, inventory availability, and to place orders, contact authorized AMD distributors or visit the AMD official website.
Conclusion
The XA7A35T-1CSG325Q represents an optimal balance of performance, power efficiency, and automotive-grade reliability for demanding applications. Its combination of 33,280 logic cells, advanced DSP capabilities, and AEC-Q100 qualification makes it an ideal choice for automotive, industrial, and communication applications requiring programmable logic with exceptional reliability.
Whether designing next-generation ADAS systems, industrial controllers, or communication infrastructure, the XA7A35T-1CSG325Q provides the flexibility, performance, and quality needed for successful product development in automotive and industrial markets.
