The XC2C512PQ208 is a high-performance Complex Programmable Logic Device (CPLD) from Xilinx’s renowned CoolRunner-II family. This 512-macrocell CPLD delivers exceptional speed with ultra-low power consumption, making it the ideal choice for portable electronics, telecommunications equipment, and industrial control systems. Whether you’re designing battery-powered devices or high-speed communication interfaces, the XC2C512PQ208 offers unmatched versatility in a compact 208-pin PQFP package.
XC2C512PQ208 Key Features and Benefits
The XC2C512PQ208 stands out in the CPLD market for its unique combination of performance and efficiency. Built on Xilinx’s industry-leading 0.18-micron CMOS technology, this device offers features that engineers demand for modern embedded applications.
Ultra-Low Power Consumption
One of the most compelling advantages of the XC2C512PQ208 is its exceptional power efficiency. The device consumes as low as 14 µA quiescent current, making it perfect for battery-operated and portable applications. This zero-power ISP technology ensures minimal standby power drain while maintaining instant-on capabilities.
High-Speed Performance Specifications
The XC2C512PQ208 delivers impressive timing performance for demanding applications:
- Pin-to-pin delays: As fast as 7.1 ns
- Maximum frequency: Up to 179 MHz (speed grade dependent)
- Global clock setup time: 4 ns
XC2C512PQ208 Technical Specifications Table
| Parameter |
Specification |
| Device Family |
CoolRunner-II CPLD |
| Manufacturer |
Xilinx (AMD) |
| Number of Macrocells |
512 |
| Equivalent Gates |
12,000 |
| Number of Function Blocks |
32 |
| User I/O Pins |
173 |
| Package Type |
208-Pin PQFP |
| Supply Voltage (VCC) |
1.7V to 1.9V |
| I/O Voltage Range |
1.5V to 3.3V |
| Process Technology |
0.18 µm CMOS |
| Operating Temperature |
0°C to +70°C (Commercial) |
| Propagation Delay (tpd) |
7.1 ns |
| Quiescent Current |
14 µA |
XC2C512PQ208 Architecture Overview
Understanding the internal architecture of the XC2C512PQ208 helps engineers maximize design efficiency and performance.
Function Block Structure
The XC2C512PQ208 consists of 32 Function Blocks interconnected by a low-power Advanced Interconnect Matrix (AIM). Each Function Block contains:
- 40 x 56 P-term PLA array
- 16 macrocells with configurable registers
- Combinational or registered operation modes
- Local and global clock options
Advanced Interconnect Matrix (AIM)
The AIM architecture feeds 40 true and complement inputs to each Function Block. This innovative design ensures:
- 100% product term routability across function blocks
- Superior pinout retention during design iterations
- Optimized signal routing for minimal propagation delays
XC2C512PQ208 I/O Capabilities and Voltage Compatibility
The XC2C512PQ208 features flexible I/O options that support multiple voltage standards and interface protocols.
Multi-Voltage I/O Support
| I/O Standard |
Voltage Level |
| LVCMOS |
1.5V, 1.8V, 2.5V, 3.3V |
| LVTTL |
3.3V |
| HSTL-1 |
1.5V |
| SSTL2-1 |
2.5V |
| SSTL3-1 |
3.3V |
Four Independent I/O Banks
The XC2C512PQ208 provides four separate I/O banks, allowing designers to interface with multiple voltage domains simultaneously. This feature is particularly valuable in mixed-voltage system designs where different components operate at various logic levels.
XC2C512PQ208 Clocking Features
Advanced clocking capabilities make the XC2C512PQ208 suitable for complex timing-critical designs.
Global Clock Options
- Three global clocks available for all Function Blocks
- Phase selection per macrocell
- Multiple global output enables
- Global set/reset functionality
CoolCLOCK Technology
The proprietary CoolCLOCK feature provides:
- Clock divider options (divide by 2, 4, 6, 8, 10, 12, 14, 16)
- DualEDGE triggered registers for reduced power consumption
- Global signal options with macrocell control
XC2C512PQ208 Programming and Debug Features
In-System Programming (ISP)
The XC2C512PQ208 supports 1.8V ISP using the IEEE 1532 (JTAG) interface. This allows convenient field updates without removing the device from the circuit board.
Boundary Scan Testing
Full IEEE 1149.1 JTAG Boundary Scan Test support enables:
- Board-level testing and debugging
- Manufacturing test integration
- Design verification and fault isolation
XC2C512PQ208 Speed Grade Options
The XC2C512PQ208 is available in multiple speed grades to match your performance requirements:
| Speed Grade |
Maximum Frequency |
Propagation Delay |
| -7 |
179 MHz |
7.1 ns |
| -10 |
128 MHz |
9.2 ns |
XC2C512PQ208 Package Information
208-Pin PQFP Package Specifications
| Parameter |
Value |
| Package Type |
Plastic Quad Flat Pack (PQFP) |
| Pin Count |
208 |
| Package Dimensions |
28 x 28 mm |
| Mounting Type |
Surface Mount |
| Pb-Free Option |
Available |
XC2C512PQ208 Part Number Variants
Different part numbers indicate speed grade and temperature range:
| Part Number |
Speed Grade |
Temperature Range |
| XC2C512-7PQ208C |
-7 (Fast) |
Commercial (0°C to +70°C) |
| XC2C512-7PQ208I |
-7 (Fast) |
Industrial (-40°C to +85°C) |
| XC2C512-10PQ208C |
-10 |
Commercial (0°C to +70°C) |
| XC2C512-10PQ208I |
-10 |
Industrial (-40°C to +85°C) |
| XC2C512-10PQG208C |
-10 (Pb-Free) |
Commercial (0°C to +70°C) |
| XC2C512-10PQG208I |
-10 (Pb-Free) |
Industrial (-40°C to +85°C) |
XC2C512PQ208 Applications
The XC2C512PQ208 is well-suited for a wide range of applications across multiple industries:
Telecommunications
- Base station controllers
- Network interface cards
- Protocol converters
Industrial Control
- Motor control systems
- PLC interfaces
- Sensor data acquisition
Consumer Electronics
- Portable media devices
- Smart home controllers
- Gaming peripherals
Automotive
- Infotainment systems
- Body control modules
- Dashboard electronics
XC2C512PQ208 Design Resources
Engineers working with the XC2C512PQ208 can leverage Xilinx’s comprehensive design ecosystem.
Development Tools
- Xilinx ISE Design Suite: Complete development environment for CoolRunner-II devices
- FPGA Editor: For advanced design optimization
- ChipScope: Real-time debugging and analysis
Design Support
- Comprehensive datasheets and user guides
- Application notes for specific design challenges
- Reference designs and IP cores
Why Choose the XC2C512PQ208?
The XC2C512PQ208 offers several compelling advantages for your next design:
- Best-in-class power efficiency with 14 µA standby current
- Fast 7.1 ns pin-to-pin delays for high-speed applications
- Flexible multi-voltage I/O supporting 1.5V to 3.3V
- Reliable 0.18 µm CMOS technology from industry leader Xilinx
- Hot-pluggable capability for system flexibility
- Advanced security features to protect your IP
Where to Buy XC2C512PQ208
Looking for XC2C512PQ208 or other Xilinx programmable logic devices? Visit our comprehensive collection of Xilinx FPGA products with competitive pricing, datasheets, and technical support.
XC2C512PQ208 Frequently Asked Questions
What is the difference between XC2C512PQ208C and XC2C512PQ208I?
The “C” suffix indicates Commercial temperature grade (0°C to +70°C), while “I” indicates Industrial temperature grade (-40°C to +85°C). Choose the appropriate variant based on your operating environment requirements.
Is the XC2C512PQ208 RoHS compliant?
The XC2C512-10PQG208C and XC2C512-10PQG208I variants with the “G” designation are Pb-free and RoHS compliant.
What software do I need to program the XC2C512PQ208?
Use the Xilinx ISE Design Suite, which provides complete support for CoolRunner-II CPLD design, simulation, and programming.
Can the XC2C512PQ208 interface with 5V logic?
The CoolRunner-II family is not 5V tolerant directly. However, external level-shifting circuits can be implemented to interface with 5V systems safely.
Conclusion
The XC2C512PQ208 represents the pinnacle of CPLD technology, combining Xilinx’s proven CoolRunner-II architecture with exceptional low-power performance and high-speed capabilities. With 512 macrocells, 173 user I/O pins, and support for multiple voltage standards, this versatile device meets the demands of modern embedded system designs. Its comprehensive feature set, including advanced clocking options, in-system programmability, and flexible I/O configurations, makes the XC2C512PQ208 an excellent choice for engineers seeking reliability, performance, and design flexibility.
