Overview of XQ4028EX-4BG352N High-Reliability Field Programmable Gate Array
The XQ4028EX-4BG352N represents the pinnacle of high-reliability FPGA technology, specifically engineered for aerospace, defense, and mission-critical applications where failure is not an option. Manufactured by Xilinx (now AMD), this military-qualified field programmable gate array delivers exceptional performance in extreme environments, making it an essential component for space-grade and defense systems.
This comprehensive guide explores the technical specifications, applications, and advantages of the XQ4028EX-4BG352N QPRO FPGA, helping engineers and procurement specialists make informed decisions for their high-reliability projects.
Technical Specifications and Performance Characteristics
Core Architecture and Logic Capacity
The XQ4028EX-4BG352N features advanced CMOS technology built on a 0.35μm process node, delivering robust performance across extreme temperature ranges. The device offers 28,000 system gates with 2,432 configurable logic blocks, providing substantial computational resources for complex digital designs.
| Parameter |
Specification |
Details |
| Part Number |
XQ4028EX-4BG352N |
Full military-grade designation |
| System Gates |
28,000 |
Equivalent gate count |
| Logic Cells |
2,432 CLBs |
Configurable logic blocks |
| Maximum Frequency |
50 MHz |
Operating speed capability |
| User I/O Pins |
Up to 224 |
Configurable input/output |
| Configuration Memory |
SRAM-based |
Volatile configuration architecture |
Electrical and Environmental Performance
Operating within stringent military specifications, this Xilinx FPGA maintains reliable performance across extreme conditions that would challenge commercial-grade components.
| Environmental Parameter |
Range/Value |
Military Standard |
| Operating Temperature |
-55°C to +125°C |
MIL-PRF-38535 qualified |
| Core Voltage |
4.75V to 5.25V |
±5% tolerance |
| Package Type |
352-Pin BGA |
Ball Grid Array |
| Package Dimensions |
27mm × 27mm |
Compact footprint |
| Ball Pitch |
1.27mm |
Fine-pitch spacing |
| Speed Grade |
-4 |
High-performance rating |
Military Qualification and Reliability Standards
The XQ4028EX-4BG352N achieves the highest levels of military qualification, ensuring dependable operation in critical applications.
| Qualification |
Status |
Significance |
| MIL-PRF-38535 |
Fully Qualified |
Military performance specification |
| QML Certification |
Certified |
Qualified Manufacturers Listing |
| Radiation Tolerance |
Enhanced |
Space and nuclear applications |
| MTBF |
>1,000,000 hours |
Mean time between failures at 25°C |
| Lifecycle Support |
Extended |
Long-term availability guarantee |
Package Configuration and Pin Assignment
BGA-352 Package Details
The 352-ball grid array package provides optimal thermal performance and signal integrity for high-speed applications while maintaining a compact footprint suitable for space-constrained designs.
Package Advantages:
- Superior thermal dissipation compared to traditional packaging
- Reduced parasitic inductance for high-speed signals
- Excellent electromagnetic interference (EMI) characteristics
- Robust mechanical connection for harsh vibration environments
- Efficient PCB routing with organized ball matrix layout
Pin Configuration Overview
| Pin Category |
Count |
Function |
| User I/O |
Up to 224 |
Configurable digital I/O |
| Power Supply |
Multiple |
VCC and GND distribution |
| Configuration |
Dedicated |
JTAG and programming interface |
| Clock Input |
Multiple |
Global and regional clocking |
| Ground Balls |
Distributed |
Thermal and electrical ground |
Applications and Use Cases
Aerospace and Space Systems
The XQ4028EX-4BG352N excels in space-grade applications where radiation hardness and extreme temperature operation are mandatory requirements.
Primary Applications:
- Satellite payload processing and control systems
- Spacecraft attitude determination and control
- Deep space probe instrumentation
- Launch vehicle guidance computers
- Orbital debris tracking systems
- Inter-satellite communication protocols
Defense and Military Systems
Military applications leverage the device’s qualification status and reliability for mission-critical operations.
Defense Implementations:
- Radar signal processing and beamforming
- Secure communications encryption engines
- Electronic warfare countermeasure systems
- Missile guidance and navigation computers
- Tactical data link processors
- Command and control infrastructure
Industrial High-Reliability Applications
Beyond aerospace and defense, the XQ4028EX-4BG352N serves demanding industrial applications.
Industrial Uses:
- Nuclear power plant control systems
- Medical diagnostic imaging equipment
- Oil and gas exploration instruments
- Railway signaling and control
- Subsea monitoring systems
- Critical infrastructure protection
Design and Development Resources
Compatible Development Tools
| Tool Category |
Software/Hardware |
Purpose |
| Design Suite |
Xilinx ISE |
Primary development environment |
| Simulation |
ModelSim |
Functional verification |
| Debugging |
ChipScope Pro |
On-chip signal analysis |
| Programming |
JTAG Cables |
Configuration and testing |
| Libraries |
SPICE Models |
Circuit simulation |
Implementation Guidelines
PCB Design Considerations:
- Maintain controlled impedance for high-speed signals
- Implement proper power supply decoupling strategy
- Follow thermal management best practices
- Ensure adequate via distribution for BGA escape routing
- Consider signal integrity for critical timing paths
- Plan for electromagnetic compatibility (EMC) requirements
Pricing and Procurement Information
Cost Structure Analysis
The XQ4028EX-4BG352N commands premium pricing due to its military qualification and extensive testing requirements.
| Order Quantity |
Price Category |
Typical Lead Time |
| 1-10 units |
Premium |
12-16 weeks |
| 11-50 units |
Volume discount |
10-14 weeks |
| 51-100 units |
Bulk pricing |
8-12 weeks |
| 100+ units |
Best value |
Negotiable |
Price Influencing Factors:
- Military screening and qualification testing
- Extended temperature range validation
- QML certification maintenance costs
- Limited production volumes
- Export control compliance requirements
- Long-term lifecycle support commitments
Procurement Considerations
When sourcing the XQ4028EX-4BG352N, engineers should consider:
- Lead Time Planning: Military-grade FPGAs require extended manufacturing cycles
- Authorized Distribution: Purchase only from approved distributors
- Documentation Requirements: Ensure complete traceability documentation
- Export Controls: Verify ECCN classification and licensing requirements
- Counterfeit Prevention: Implement robust authentication procedures
- Lifecycle Management: Plan for long-term availability and obsolescence
Compliance and Regulatory Standards
Environmental Compliance
| Standard |
Status |
Notes |
| RoHS |
Military Exemption |
Not required for mil-spec parts |
| REACH |
Compliant |
Substance evaluation completed |
| Conflict Minerals |
Documented |
3TG reporting available |
| Moisture Sensitivity |
Level 3 |
168 hours at 30°C/60% RH |
Export Control Classification
| Regulation |
Classification |
Requirement |
| ECCN |
3A001.a.2 |
Dual-use technology control |
| Export License |
Required |
For certain destinations |
| ITAR Status |
Non-ITAR |
Not subject to ITAR restrictions |
| Country of Origin |
United States |
Manufactured in USA |
| HTS Code |
8542.39.0001 |
Harmonized tariff schedule |
Comparison with Alternative Solutions
Related QPRO FPGA Options
| Part Number |
System Gates |
Package |
Key Difference |
| XQ4028EX-4BG352N |
28,000 |
BGA-352 |
Standard option |
| XQ4028EX-3PG299N |
28,000 |
PGA-299 |
Alternative package |
| XQ4036EX-4BG352N |
36,000 |
BGA-352 |
Higher capacity |
| XQ4013EX-4BG352N |
13,000 |
BGA-352 |
Lower capacity option |
When to Choose XQ4028EX-4BG352N
Optimal Selection Criteria:
- Mission-critical applications requiring military qualification
- Extreme temperature operation from -55°C to +125°C
- Space-grade or radiation-tolerant requirements
- Long-term product lifecycle support needed
- Proven reliability with extensive heritage
- Applications demanding QML certification
Storage and Handling Requirements
Proper Storage Protocols
| Requirement |
Specification |
Rationale |
| Temperature |
<30°C |
Prevents thermal stress |
| Humidity |
<60% RH |
Avoids moisture absorption |
| Shelf Life |
2 years |
From date of manufacture |
| ESD Protection |
Required |
Prevents electrostatic damage |
| Packaging Options |
Tray/Tube/Reel |
Various handling methods |
Handling Best Practices
ESD Protection Measures:
- Use grounded wrist straps during handling
- Work on ESD-protective surfaces
- Store in anti-static containers
- Follow ANSI/ESD S20.20 standards
- Implement proper grounding protocols
Technical Support and Documentation
Available Documentation
Complete Technical Resources:
- Detailed product datasheet with electrical specifications
- Pin configuration guide and ball assignment diagrams
- Programming manual for configuration procedures
- Reliability qualification test reports
- Package mechanical drawings and footprint recommendations
- PCB layout guidelines for optimal performance
- Application notes for specific implementations
- Simulation models for design verification
Support Channels
Technical Assistance:
- Field Application Engineers (FAEs) for design support
- Military qualification expertise
- Training programs for FPGA design best practices
- User communities and forums
- Application-specific implementation guidance
- Design review services
- Long-term obsolescence management
Conclusion: Why Choose XQ4028EX-4BG352N
The XQ4028EX-4BG352N military-qualified FPGA represents an optimal solution for applications demanding uncompromising reliability, extended environmental operation, and proven military heritage. Its comprehensive qualification status, including MIL-PRF-38535 and QML certification, ensures dependable performance in the most challenging environments.
For aerospace, defense, and high-reliability industrial applications, the XQ4028EX-4BG352N delivers the combination of performance, reliability, and long-term support that mission-critical systems require. Engineers and procurement specialists seeking a proven, qualified FPGA solution for extreme environments will find the XQ4028EX-4BG352N to be an excellent choice.
Key Takeaways:
- Military-qualified with MIL-PRF-38535 and QML certification
- Extended temperature operation from -55°C to +125°C
- 28,000 system gates with 2,432 configurable logic blocks
- Proven reliability with >1,000,000 hours MTBF
- Comprehensive development tool support
- Long-term lifecycle commitment
- Ideal for space, defense, and critical industrial applications
