Overview of the XA9572XL-15VQG44I Complex Programmable Logic Device
The XA9572XL-15VQG44I is a high-performance automotive-grade Complex Programmable Logic Device (CPLD) from AMD Xilinx’s XA9500XL family. Designed specifically for mission-critical automotive and industrial applications, this CPLD delivers exceptional reliability in extreme temperature environments while offering flexible programmable logic capabilities.
This advanced programmable logic device features 72 macrocells, 1.6K usable gates, and operates at speeds up to 64.5MHz, making it ideal for control systems, automotive electronics, industrial automation, and embedded system applications requiring robust performance.
Key Technical Specifications
| Parameter |
Specification |
| Part Number |
XA9572XL-15VQG44I |
| Manufacturer |
AMD Xilinx (formerly Xilinx Inc) |
| Product Family |
XA9500XL Automotive CPLD |
| Macrocells |
72 |
| Usable Gates |
1.6K |
| Maximum Frequency |
64.5MHz |
| Propagation Delay (tpd) |
15.5 ns |
| Technology |
0.35µm CMOS |
| Supply Voltage |
3.3V (3.0V – 3.6V) |
| Package Type |
44-Pin VQFP (Very Quad Flat Pack) |
| Temperature Grade |
I-Grade (-40°C to +85°C) |
| Mounting Type |
Surface Mount |
Advanced Features and Benefits
Automotive-Grade Reliability
The XA9572XL-15VQG44I meets stringent automotive qualification standards with AEC-Q100 certification and full PPAP (Production Part Approval Process) support. This CPLD is engineered to deliver consistent performance across industrial temperature ranges, ensuring reliability in demanding automotive and industrial environments.
5V Tolerant I/O Interface
One standout feature is the 5V tolerant I/O pins that accept 5V, 3.3V, and 2.5V signals, making the device perfect for multi-voltage system interfacing and level shifting applications. This flexibility simplifies design integration across mixed-voltage architectures common in automotive systems.
In-System Programmability
The XA9572XL-15VQG44I supports In-System Programmable (ISP) technology, allowing for field updates and configuration changes without removing the device from the circuit board. This capability reduces maintenance costs and enables rapid prototyping and design iterations.
Low Power Consumption
Built on advanced 0.35µm CMOS technology, this CPLD offers excellent power efficiency, crucial for battery-powered and energy-conscious applications. The device features optimized power management for automotive and portable electronic systems.
Pin Configuration and Package Details
| Package Information |
Details |
| Package Type |
44-Pin VQFP (VTQFP) |
| Pin Count |
44 |
| Body Size |
10mm x 10mm |
| Mounting Style |
Surface Mount Technology (SMT) |
| Lead Pitch |
Standard VQFP spacing |
| RoHS Compliant |
Yes |
Architecture and Logic Resources
Functional Block Organization
The XA9572XL-15VQG44I features four function blocks with 18 macrocells each, providing:
- 72 total macrocells for logic implementation
- Flexible interconnect architecture
- Product term allocation for complex logic functions
- Global clock and reset distribution networks
- Programmable I/O configurations
Programmable Logic Elements
Each macrocell includes:
- Product term logic
- XOR gates for arithmetic functions
- Configurable registers (D, T, JK, SR)
- Clock enable and preset/reset controls
- Output enable control
Application Areas
Automotive Electronics
- Engine control modules (ECU)
- Body control systems
- Anti-lock braking systems (ABS)
- Transmission control units
- Dashboard instrumentation
- Sensor interface circuits
Industrial Automation
- Programmable logic controllers (PLC)
- Motor control systems
- Process control equipment
- Factory automation
- Robotics control interfaces
Embedded Systems
- State machine implementations
- Protocol conversion
- Glue logic replacement
- Bus interface control
- System timing generation
Performance Characteristics
| Performance Metric |
Value |
| Maximum Operating Frequency |
64.5MHz |
| Input/Output Delay (tpd) |
15.5ns |
| Clock-to-Output Delay |
15.5ns (typical) |
| Setup Time |
Industry-standard compliant |
| Hold Time |
Industry-standard compliant |
| Maximum Junction Temperature (Tj) |
+125°C |
Development Tools and Software Support
The XA9572XL-15VQG44I is fully supported by industry-standard development tools including:
- Xilinx ISE Design Suite – Comprehensive design entry, synthesis, and implementation
- JTAG programming interface – IEEE 1149.1 compliant for testing and configuration
- ABEL, VHDL, Verilog support – Multiple hardware description language options
- Simulation tools – Functional and timing verification
For designers working with Xilinx FPGA and CPLD solutions, the XA9572XL family integrates seamlessly into existing Xilinx-based design flows.
Quality and Compliance Standards
| Standard |
Compliance |
| AEC-Q100 |
Qualified |
| PPAP Support |
Full documentation available |
| ISO/TS 16949 |
Xilinx certified (March 2005) |
| RoHS |
Compliant |
| REACH |
Compliant |
| Operating Temperature Range |
-40°C to +85°C (I-Grade) |
Comparison with Related Products
XA9500XL Family Overview
| Model |
Macrocells |
Gates |
Packages Available |
Temperature Grade |
| XA9536XL |
36 |
800 |
VQ44, PC44 |
I, Q |
| XA9572XL-15VQG44I |
72 |
1.6K |
VQ44, VQ64, TQ100 |
I |
| XA95144XL |
144 |
3.2K |
TQ100, TQ144 |
I, Q |
The XA9572XL-15VQG44I offers the ideal balance between logic density and cost-effectiveness for mid-range automotive applications.
Ordering Information and Package Marking
Full Part Number Breakdown:
- XA = Automotive grade
- 9572XL = 72 macrocells, XL architecture
- 15 = Speed grade (15.5ns)
- VQG44 = 44-pin VQFP package
- I = Industrial temperature range (-40°C to +85°C)
Design Considerations and Best Practices
Power Supply Requirements
Ensure proper decoupling capacitors (0.1µF ceramic) are placed close to each VCC pin. The device requires a stable 3.3V supply with less than 1ms ramp time for reliable operation.
Thermal Management
With maximum junction temperature of 125°C, consider adequate PCB thermal design including:
- Proper copper area for heat dissipation
- Thermal vias when necessary
- Appropriate airflow in enclosed systems
Signal Integrity
For optimal performance at 64.5MHz operation:
- Use controlled impedance traces for high-speed signals
- Minimize trace lengths for clock distribution
- Follow proper grounding practices
Why Choose XA9572XL-15VQG44I for Your Design?
The XA9572XL-15VQG44I stands out as an excellent choice for automotive and industrial applications requiring:
✓ Proven automotive-grade reliability with AEC-Q100 qualification
✓ Extended temperature operation for harsh environments
✓ Flexible I/O interfacing with 5V tolerance
✓ In-system programmability for field updates
✓ Cost-effective logic integration replacing discrete components
✓ Low power consumption for energy-efficient designs
✓ Mature, stable technology with long-term availability
Conclusion
The XA9572XL-15VQG44I automotive CPLD from AMD Xilinx represents a reliable, field-proven solution for demanding programmable logic applications. With its robust 72-macrocell architecture, automotive-grade qualification, 5V tolerant I/O, and in-system programmability, this device delivers the performance, reliability, and flexibility required for modern automotive and industrial control systems.
Whether you’re designing next-generation automotive electronics, industrial automation equipment, or ruggedized embedded systems, the XA9572XL-15VQG44I provides the programmable logic foundation to bring your innovative designs to life.
