The XC2C64A-5VQ44C is a sophisticated Complex Programmable Logic Device (CPLD) from AMD Xilinx’s renowned CoolRunner-II family. This versatile programmable logic solution combines ultra-low power consumption with high-speed performance, making it an ideal choice for modern electronic designs requiring reliable digital logic implementation.
Key Features of XC2C64A-5VQ44C
The XC2C64A-5VQ44C delivers exceptional functionality through its advanced architecture and comprehensive feature set:
- 64 Macrocells with flexible logic configuration
- 1,500 usable gates for complex logic designs
- 263 MHz system frequency for high-speed applications
- 4.6ns propagation delay ensuring rapid signal processing
- 33 user I/O lines for versatile connectivity
- In-System Programmable (ISP) capability for easy updates
- IEEE 1149.1/1532 JTAG boundary-scan support
- Zero power consumption in standby mode
- Flash-based PLD technology for non-volatile configuration
Technical Specifications Table
| Parameter |
Specification |
| Part Number |
XC2C64A-5VQ44C |
| Manufacturer |
AMD Xilinx |
| Product Family |
CoolRunner-II CPLD |
| Number of Macrocells |
64 |
| Usable Gates |
1,500 (1.5K) |
| Maximum Frequency |
263 MHz |
| Propagation Delay |
4.6 ns (TPD) |
| User I/O |
33 |
| Technology |
0.18µm CMOS |
| Package Type |
44-Pin VTQFP |
| Package Dimensions |
10mm x 10mm |
| Pin Pitch |
0.8mm |
| Maximum Height |
1.2mm |
| Mounting Type |
Surface Mount |
| Terminal Finish |
Nickel Palladium Gold (NiPdAu) |
Electrical Characteristics
Power Supply Requirements
| Parameter |
Min |
Typical |
Max |
Unit |
| Core Voltage (VCCINT) |
1.7 |
1.8 |
1.9 |
V |
| I/O Voltage (VCCIO) |
1.5 / 3.3 |
– |
– |
V |
| Standby Current |
– |
Near Zero |
– |
µA |
Operating Conditions
| Parameter |
Value |
| Operating Temperature Range |
0°C to 70°C (Commercial) |
| Speed Grade |
-5 (5ns) |
| Programming Method |
In-System Programmable (ISP) |
| Configuration Time |
< 100 ms |
Pin Configuration and Package Details
| Package Specification |
Details |
| Package Type |
VTQFP (Very Thin Quad Flat Pack) |
| Total Pins |
44 |
| User I/O Pins |
33 |
| Dedicated Input Pins |
0 |
| Body Size |
10mm x 10mm |
| Terminal Position |
QUAD |
| Terminal Type |
Gull Wing |
| Pitch |
0.80mm |
XC2C64A-5VQ44C Architecture and Design
Function Block Architecture
The XC2C64A-5VQ44C features an innovative architecture optimized for both performance and power efficiency:
- 8 Function Blocks interconnected via Advanced Interconnect Matrix (AIM)
- 40 x 56 Product-term PLA in each function block
- 16 macrocells per function block with configurable operation modes
- 40 true and complement inputs to each function block
- Flexible combinational and registered modes
Programmability Features
- Flash-based configuration for non-volatile storage
- JTAG programming interface for in-circuit programming
- Hot-swap capability for live system updates
- Unlimited reprogrammability for design iterations
- IEEE 1532 compliant programming standard
Applications of XC2C64A-5VQ44C
The versatility of the XC2C64A-5VQ44C makes it suitable for numerous applications:
Industrial Control Systems
- PLC analog input modules
- Address decoders and demultiplexers
- State machine implementations
- Process control interfaces
- Motor control logic
Communication Equipment
- DDC (Display Data Channel) interfaces
- Wireless infrastructure base band units
- Remote radio unit logic
- Protocol converters
- Data routing and buffering
Consumer Electronics
- Power management control
- LED display drivers
- Interface bridging
- Signal conditioning
- System monitoring and control
Embedded Systems
- Peripheral interface controllers
- Bus arbitration logic
- Glue logic implementations
- Custom protocol handlers
- System supervisory functions
Design Tools and Development Support
Working with the XC2C64A-5VQ44C is streamlined through AMD Xilinx’s comprehensive development ecosystem:
- Vivado Design Suite for synthesis and implementation
- ISE Design Tools (legacy support)
- iMPACT for device programming
- ChipScope for in-system debugging
- Schematic and HDL entry support (VHDL, Verilog)
For designers working with Xilinx FPGA platforms, the XC2C64A-5VQ44C offers seamless integration and familiar development workflows.
Performance Advantages
Speed Performance
| Metric |
Value |
Benefit |
| System Frequency |
263 MHz |
High-speed signal processing |
| Pin-to-Pin Delay |
4.6 ns |
Minimal latency |
| Clock-to-Output |
< 5 ns |
Fast response time |
Power Efficiency
- Zero standby power reduces overall system consumption
- DataGate technology eliminates unnecessary power draw
- Optimal for battery-powered devices
- Enhanced thermal management in compact designs
Quality and Compliance
| Standard |
Status |
| RoHS Compliance |
Non-compliant (contains lead) |
| Product Status |
Active |
| Moisture Sensitivity Level |
MSL 3 |
| ESD Rating |
HBM 2kV / CDM 500V |
| JEDEC Standards |
Multiple I/O standards supported |
| JTAG Standard |
IEEE 1149.1 / 1532 |
Ordering Information
- Part Number: XC2C64A-5VQ44C
- Packaging: Tray
- Lead Time: 28-30 weeks (typical)
- Product Status: Active production
- Minimum Order: Check with authorized distributors
Installation and PCB Design Considerations
PCB Layout Guidelines
- Decoupling: Place 0.1µF ceramic capacitors close to each VCC pin
- Power Planes: Use dedicated power and ground planes
- Signal Integrity: Keep high-speed traces short and controlled impedance
- Thermal Relief: Ensure adequate copper pour for heat dissipation
- JTAG Access: Provide accessible test points for programming
Soldering Recommendations
- Reflow Profile: Standard lead-free compatible (with proper precautions)
- Peak Temperature: 260°C maximum
- Soak Time: 60-120 seconds
- Rework: Compatible with standard SMT rework equipment
Comparison with Alternative Devices
| Feature |
XC2C64A-5VQ44C |
XC2C64-5VQ44C |
XC2C128-5VQ100C |
| Macrocells |
64 |
64 |
128 |
| User I/O |
33 |
33 |
81 |
| Package |
44-VTQFP |
44-VQFP |
100-VQFP |
| Speed Grade |
-5 (4.6ns) |
-5 (5ns) |
-5 (5ns) |
Technical Support and Resources
Available Documentation
- Datasheet: Complete electrical and mechanical specifications
- Application Notes: Design guidelines and best practices
- Reference Designs: Example implementations
- IBIS Models: For signal integrity simulation
- Package Drawings: Mechanical specifications for PCB design
Development Resources
- Evaluation Boards: CoolRunner-II starter kits
- Sample Designs: HDL code examples
- Training Materials: Video tutorials and webinars
- Community Forums: Technical support and discussion
Why Choose XC2C64A-5VQ44C?
The XC2C64A-5VQ44C stands out as an exceptional CPLD solution for several compelling reasons:
- Proven Reliability: Part of AMD Xilinx’s industry-leading CoolRunner-II family
- Ultra-Low Power: Zero standby current for energy-efficient designs
- High Performance: 263 MHz operation with 4.6ns propagation delay
- Flexible Architecture: 64 macrocells configurable for diverse applications
- Easy Development: Supported by comprehensive design tools
- In-System Programming: Simplifies prototyping and field updates
- Compact Form Factor: 44-pin VTQFP saves valuable board space
Conclusion
The XC2C64A-5VQ44C represents an ideal balance of performance, power efficiency, and versatility in the CPLD market. Whether you’re designing industrial control systems, communication equipment, or embedded applications, this device delivers the functionality and reliability needed for successful product development. With its comprehensive feature set, robust architecture, and excellent development tool support, the XC2C64A-5VQ44C continues to be a preferred choice for engineers worldwide.
