The XA7A35T-1CSG324Q is an automotive-qualified Field Programmable Gate Array from AMD (formerly Xilinx), designed specifically for demanding automotive and industrial applications. This powerful FPGA combines exceptional performance with robust reliability, making it the ideal choice for engineers developing next-generation embedded systems.
Overview of XA7A35T-1CSG324Q FPGA
The XA7A35T-1CSG324Q belongs to the prestigious Artix-7 XA family, representing AMD’s commitment to delivering automotive-grade programmable logic solutions. Built on advanced 28nm High-K Metal Gate (HKMG) process technology, this FPGA offers an outstanding balance of performance, power efficiency, and cost-effectiveness for high-volume production environments.
Key Technical Specifications
Core Architecture and Logic Resources
| Specification |
Value |
| Device Family |
Artix-7 XA Series (Automotive Grade) |
| Logic Cells |
33,280 |
| Configurable Logic Blocks (CLBs) |
5,200 slices |
| 6-Input LUTs |
20,800 |
| Flip-Flops |
41,600 |
| Maximum Operating Frequency |
1098 MHz |
Memory and Storage Capabilities
| Memory Type |
Capacity |
| Block RAM |
1,800 Kb (50 blocks × 36 Kb) |
| Distributed RAM |
400 Kb |
| Built-in FIFO Logic |
Integrated in Block RAM |
DSP and Processing Power
The XA7A35T-1CSG324Q features 90 DSP48E1 slices, delivering impressive 264 GMAC/s processing capability. These dedicated digital signal processing blocks enable efficient implementation of arithmetic-intensive algorithms, perfect for applications requiring real-time signal processing, filtering, and mathematical operations.
Package and Physical Characteristics
Package Details
| Parameter |
Specification |
| Package Type |
324-LFBGA, CSPBGA |
| Form Factor |
Low-profile Ball Grid Array |
| Number of Pins |
324 |
| User I/O Pins |
210 |
| Package Dimensions |
Compact square format |
| Mounting Type |
Surface Mount |
The compact LFBGA package design ensures optimal thermal performance while maintaining a small PCB footprint, essential for space-constrained automotive applications.
Advanced Features and Capabilities
High-Speed Serial Connectivity
The XA7A35T-1CSG324Q incorporates advanced serial I/O capabilities:
- Total I/O Bandwidth: 52 Gb/s
- DDR3 Memory Support: Up to 1,866 Mb/s interfaces
- Multi-Gigabit Transceivers: 600 Mb/s to 6.6 Gb/s (expandable to 28.05 Gb/s)
- Low-Power Mode: Optimized for chip-to-chip interfaces
Analog Mixed Signal (AMS) Integration
This Xilinx FPGA features integrated Analog Mixed Signal technology, including:
- Dual 12-bit ADCs
- 1 MSPS sampling rate
- 17-channel configuration
- Seamless analog-to-digital conversion for sensor integration
Automotive-Grade Reliability
Meeting stringent automotive standards:
- AEC-Q100 Qualified: Full automotive qualification
- Temperature Range: -40°C to +125°C (Grade 1)
- Enhanced Durability: HKMG technology for harsh environments
- Long-Term Availability: Guaranteed supply for automotive lifecycles
Performance Advantages
Power Efficiency
Compared to previous-generation Spartan-6 FPGAs, the XA7A35T-1CSG324Q delivers significantly more logic per watt. The 28nm HKMG process technology enables:
- Lower static power consumption
- Reduced dynamic power during operation
- Enhanced thermal management
- Extended battery life in portable applications
Processing Capabilities
With 33,280 logic cells and advanced DSP resources, this FPGA excels in:
- Real-time video processing
- Advanced driver assistance systems (ADAS)
- Motor control applications
- Industrial automation
- Communication protocols implementation
Application Areas
Automotive Electronics
The XA7A35T-1CSG324Q is engineered for critical automotive systems:
- Advanced Driver Assistance Systems (ADAS): Image processing, sensor fusion
- Infotainment Systems: High-definition video, audio processing
- Powertrain Control: Engine management, transmission control
- Body Electronics: Lighting control, climate systems
- Vehicle Networking: CAN, FlexRay, Ethernet gateways
Industrial Applications
Beyond automotive, this FPGA serves diverse industrial needs:
- Factory automation and robotics
- Industrial IoT edge devices
- Machine vision systems
- Motor drive controllers
- Test and measurement equipment
Communication Systems
The high-speed I/O capabilities enable:
- Protocol bridging and conversion
- Software-defined radio implementations
- Network processing applications
- Video streaming systems
Design and Development Support
Compatible Development Tools
Engineers can leverage AMD’s comprehensive development ecosystem:
- Vivado Design Suite: Industry-standard FPGA design environment
- Vitis Unified Software Platform: Embedded software development
- IP Catalog: Pre-verified intellectual property cores
- Hardware Debug Tools: ChipScope and integrated logic analyzers
Evaluation and Development Boards
Popular development platforms supporting this device include:
- Digilent Arty S7 boards
- Nexys4-DDR development systems
- Custom automotive evaluation platforms
Technical Comparison Table
XA7A35T vs. Alternative Artix-7 Devices
| Feature |
XA7A35T |
XA7A15T |
XA7A50T |
XA7A75T |
| Logic Cells |
33,280 |
16,640 |
52,160 |
76,800 |
| Block RAM (Kb) |
1,800 |
900 |
2,700 |
4,860 |
| DSP Slices |
90 |
45 |
120 |
180 |
| User I/O (324 pkg) |
210 |
210 |
210 |
210 |
| Relative Cost |
Medium |
Low |
High |
Highest |
Ordering Information and Part Number Breakdown
Part Number Decoding: XA7A35T-1CSG324Q
- XA: Automotive-grade (AEC-Q100)
- 7A: Artix-7 architecture generation
- 35T: 33,280 logic cells variant
- -1: Speed grade (standard performance)
- CSG324: Package type (324-pin CSPBGA)
- Q: Automotive temperature grade (-40°C to +125°C)
Related Part Numbers
Designers may also consider these variants:
- XA7A35T-1CSG324I (Industrial grade)
- XA7A35T-2CSG324Q (Higher speed grade)
- XA7A35T-1CPG236Q (Smaller 236-pin package)
Why Choose XA7A35T-1CSG324Q?
Competitive Advantages
- Proven Reliability: Automotive qualification ensures long-term dependability
- Design Flexibility: Reprogrammable architecture adapts to evolving requirements
- Cost-Effective: Optimal balance of resources and price for mid-range applications
- Strong Ecosystem: Extensive tool support and community resources
- Future-Proof: Adequate resources for complex applications with room for growth
Value Proposition
The XA7A35T-1CSG324Q represents the sweet spot for automotive and industrial designers who need:
- More capability than entry-level FPGAs
- Lower cost than high-end devices
- Automotive qualification and reliability
- Comprehensive I/O options
- Sufficient logic resources for complex designs
Supply Chain and Availability
This device is readily available through major distributors including:
- Digi-Key Electronics (primary distribution)
- Mouser Electronics
- Arrow Electronics
- Avnet
The automotive-grade qualification ensures long-term availability, typically 15+ years, meeting the extended lifecycle requirements of automotive programs.
Environmental and Compliance Standards
Regulatory Compliance
- RoHS Compliant: Lead-free package
- REACH Compliant: European chemical regulations
- Conflict Minerals Free: Responsible sourcing
- AEC-Q100: Automotive Electronics Council qualification
Quality Standards
- ISO 26262 functional safety support
- Automotive-grade testing and screening
- Enhanced reliability testing protocols
Thermal Management Considerations
Operating Parameters
| Parameter |
Specification |
| Ambient Temperature |
-40°C to +125°C |
| Junction Temperature |
Up to 125°C |
| Thermal Resistance |
Package-dependent (θJA) |
| Power Consumption |
Workload-dependent |
Proper thermal design is essential. The compact BGA package requires adequate PCB thermal vias and possibly heatsinks for high-utilization applications.
Getting Started with XA7A35T-1CSG324Q
Design Considerations
When implementing designs with this FPGA:
- I/O Planning: Utilize the 210 available user I/Os efficiently
- Clock Distribution: Leverage built-in clock management tiles
- Memory Architecture: Optimize block RAM usage for performance
- DSP Utilization: Pipeline DSP operations for maximum throughput
- Power Analysis: Use AMD power estimation tools early in design
Best Practices
- Start with reference designs from AMD and third-party providers
- Utilize constraint files for proper timing closure
- Implement proper power sequencing for reliable operation
- Consider signal integrity for high-speed interfaces
- Plan for in-field programming capabilities if needed
Conclusion
The XA7A35T-1CSG324Q stands as a versatile and reliable FPGA solution for automotive and industrial applications requiring robust performance, moderate logic density, and automotive-grade qualification. Its combination of 33,280 logic cells, advanced DSP capabilities, integrated analog functions, and proven reliability makes it an excellent choice for engineers developing next-generation embedded systems.
Whether you’re designing advanced driver assistance systems, industrial automation controllers, or high-performance communication equipment, the XA7A35T-1CSG324Q delivers the programmable logic resources, I/O flexibility, and long-term reliability your application demands.
For detailed technical specifications, reference designs, and ordering information, consult AMD’s official documentation or contact authorized distributors. The extensive ecosystem support and proven track record make this FPGA a smart investment for your next automotive or industrial project.
