The XC2C64A-7VQ44C is a cutting-edge Complex Programmable Logic Device (CPLD) from AMD (formerly Xilinx), engineered for low-power, high-performance embedded applications. This CoolRunner-II family member delivers exceptional functionality in a compact 44-pin VQFP package, making it ideal for space-constrained designs requiring reliable programmable logic solutions.
Key Features and Specifications
Technical Specifications
| Specification |
Details |
| Part Number |
XC2C64A-7VQ44C |
| Manufacturer |
AMD (Xilinx) |
| Product Family |
CoolRunner-II CPLD |
| Logic Elements |
64 Macrocells |
| Package Type |
44-VQFP (Very Thin Quad Flat Pack) |
| Operating Voltage |
1.8V Core |
| Speed Grade |
-7 (7.5ns tPD) |
| Operating Temperature |
Commercial (0°C to +70°C) |
| I/O Pins |
32 User I/O |
| Technology |
CoolRunner-II |
Performance Characteristics
| Parameter |
Value |
| Propagation Delay (tPD) |
7.5ns |
| System Frequency |
Up to 250 MHz |
| Power Consumption |
Ultra-low power consumption |
| Pin-to-Pin Delay |
Industry-leading speed |
| Function Blocks |
4 |
| Macrocells per Block |
16 |
Product Applications
Industrial and Commercial Uses
The XC2C64A-7VQ44C CPLD excels in various applications:
- Embedded Control Systems: Perfect for industrial automation and control logic
- Communication Interfaces: Protocol conversion and data buffering
- Portable Devices: Battery-powered equipment requiring low power consumption
- Automotive Electronics: Temperature-resistant design for automotive applications
- Consumer Electronics: Cost-effective logic implementation
- Medical Devices: Reliable performance in critical applications
CoolRunner-II Architecture Advantages
Advanced Design Features
The XC2C64A leverages the innovative CoolRunner-II architecture, delivering:
- DataGATE Technology: Intelligent power management reduces dynamic power consumption
- Low Static Power: Minimal leakage current in standby mode
- Fast Programming: Quick in-system programming capabilities
- Industry-Standard Packaging: Compatible with standard PCB manufacturing processes
Logic Density and Flexibility
With 64 macrocells organized into 4 function blocks, this CPLD provides substantial logic resources for complex designs while maintaining a small footprint. Each macrocell offers flexible product-term distribution and configurable I/O options.
Package Information: 44-VQFP
Physical Dimensions
| Dimension |
Value (mm) |
| Body Size |
10.0 x 10.0 |
| Height |
1.6 max |
| Pin Pitch |
0.8 |
| Lead Count |
44 pins |
The Very Thin Quad Flat Pack (VQFP) design provides excellent thermal performance and mechanical stability for surface mount technology (SMT) assembly processes.
Programming and Configuration
In-System Programming
The XC2C64A-7VQ44C supports IEEE 1532 and IEEE 1149.1 (JTAG) boundary-scan standards, enabling:
- Fast and reliable in-system programming
- Simplified production testing
- Field upgradability
- Reduced time-to-market
Development Tools
Design and implement your logic using industry-standard tools compatible with Xilinx FPGA development environments, including:
- ISE Design Suite
- Vivado Design Suite compatibility
- Third-party synthesis tools support
- Comprehensive simulation capabilities
Power Consumption Analysis
Ultra-Low Power Operation
| Operating Mode |
Typical Power |
| Active (250 MHz) |
< 50 mW |
| Standby |
< 100 µW |
| Total Static |
Minimal leakage |
The CoolRunner-II architecture ensures minimal power consumption, making the XC2C64A ideal for battery-operated and thermally-sensitive applications.
Reliability and Quality
Industry Standards Compliance
- RoHS Compliant: Lead-free and environmentally friendly
- Quality Grade: Commercial temperature range
- JEDEC Standards: Meets industry packaging standards
- ESD Protection: Built-in electrostatic discharge protection
Ordering Information
Part Number Breakdown
XC2C64A-7VQ44C decodes as follows:
- XC2C: CoolRunner-II family identifier
- 64: Number of macrocells (64)
- A: Advanced silicon revision
- 7: Speed grade (-7)
- VQ: Package type (VQFP)
- 44: Pin count (44 pins)
- C: Commercial temperature range
Comparison with Similar Products
XC2C64A vs. Competing CPLDs
| Feature |
XC2C64A-7VQ44C |
Competitive CPLD |
| Power Consumption |
Ultra-low |
Moderate |
| Speed Performance |
7.5ns tPD |
10-12ns typical |
| I/O Flexibility |
High |
Standard |
| Package Options |
Multiple |
Limited |
| Tool Support |
Comprehensive |
Variable |
Getting Started with XC2C64A-7VQ44C
Design Considerations
When implementing designs with the XC2C64A:
- Power Supply Design: Ensure stable 1.8V core and appropriate I/O voltages
- Decoupling: Use proper bypass capacitors near power pins
- Signal Integrity: Consider trace impedance for high-speed signals
- Programming Interface: Include JTAG header for in-system programming
- Thermal Management: Plan for adequate airflow in enclosed systems
Pin Configuration
The 44-VQFP package provides:
- 32 user-programmable I/O pins
- Dedicated JTAG programming pins
- Power and ground pins
- Flexible I/O standards support
Why Choose XC2C64A-7VQ44C
Advantages for Your Design
- Proven Technology: Leverages mature CoolRunner-II architecture
- Cost-Effective: Optimal price-performance ratio
- Low Risk: Established product with extensive field history
- Design Security: Non-volatile Flash-based technology
- Scalability: Part of comprehensive CPLD family
Technical Support and Resources
Documentation and Tools
Access comprehensive design resources including:
- Detailed datasheets and user guides
- Application notes and design examples
- Reference designs and evaluation boards
- Technical support from AMD/Xilinx
Frequently Asked Questions
What is the difference between CPLD and FPGA?
CPLDs like the XC2C64A offer non-volatile configuration, instant-on capability, and deterministic timing, while FPGAs provide higher logic density. For applications requiring reliable, low-power logic with fast power-up times, CPLDs are the preferred choice.
Is the XC2C64A suitable for industrial applications?
Yes, the XC2C64A operates reliably in commercial temperature ranges and features robust I/O protection, making it suitable for many industrial control applications.
What programming languages are supported?
The XC2C64A supports standard hardware description languages including VHDL, Verilog, and schematic entry through compatible design tools.
Conclusion
The XC2C64A-7VQ44C represents an excellent choice for designers seeking a reliable, low-power CPLD solution. Its combination of 64 macrocells, ultra-low power consumption, fast performance, and compact 44-pin VQFP package makes it ideal for diverse applications from industrial control to portable devices. With comprehensive tool support and proven CoolRunner-II technology, the XC2C64A delivers the performance and flexibility modern embedded systems demand.
