The XC2C64A-5VQ44C is a high-performance Complex Programmable Logic Device (CPLD) from the renowned Xilinx FPGA family. This CoolRunner-II series CPLD delivers an exceptional combination of ultra-low power consumption, high-speed operation, and versatile I/O compatibility, making it the ideal solution for portable electronics, industrial control systems, and telecommunications applications. The XC2C64A-5VQ44C features 64 macrocells, 1.8V core voltage operation, and supports in-system programming through standard JTAG interface.
XC2C64A-5VQ44C Key Features and Benefits
The XC2C64A-5VQ44C CPLD stands out in the programmable logic market due to its advanced architecture and power-saving capabilities. Engineers and designers choose this device for applications requiring reliable, high-speed digital logic implementation with minimal power draw.
Ultra-Low Power Consumption Technology
The CoolRunner-II architecture employed in the XC2C64A-5VQ44C utilizes innovative power management techniques that dramatically reduce both standby and dynamic power consumption. The device features:
- Zero standby power mode for battery-powered applications
- DataGATE technology that blocks input signals to reduce switching power
- Fast Wake technology enabling instant-on capability from low-power states
High-Speed Performance Specifications
Despite its low power characteristics, the XC2C64A-5VQ44C delivers impressive speed performance suitable for demanding applications:
- Maximum operating frequency of 263 MHz
- Pin-to-pin propagation delay as low as 4.6 ns
- Internal clock distribution optimized for consistent timing
XC2C64A-5VQ44C Technical Specifications
General Device Specifications
| Parameter |
Value |
| Manufacturer |
AMD Xilinx |
| Product Family |
CoolRunner-II CPLD |
| Part Number |
XC2C64A-5VQ44C |
| Number of Macrocells |
64 |
| Equivalent Gates |
1,500 (1.5K) |
| Function Blocks |
4 |
| Maximum Frequency |
263 MHz |
| Propagation Delay (tPD) |
4.6 ns |
| Process Technology |
0.18µm CMOS |
Electrical Characteristics
| Parameter |
Minimum |
Typical |
Maximum |
Unit |
| Core Supply Voltage (VCC) |
1.7 |
1.8 |
1.9 |
V |
| I/O Supply Voltage (VCCIO) |
1.5 |
– |
3.3 |
V |
| Operating Temperature |
0 |
– |
70 |
°C |
| Standby Current (ISB) |
– |
16 |
– |
µA |
Package Information
| Parameter |
Specification |
| Package Type |
44-Pin VQFP (Very Thin Quad Flat Pack) |
| Package Dimensions |
10mm x 10mm |
| Pin Pitch |
0.8 mm |
| User I/O Pins |
33 |
| Number of I/O Banks |
2 |
| Mounting Type |
Surface Mount (SMD) |
| Maximum Seated Height |
1.2 mm |
XC2C64A-5VQ44C Architecture Overview
Advanced Interconnect Matrix (AIM)
The XC2C64A-5VQ44C employs Xilinx’s proprietary Advanced Interconnect Matrix (AIM) architecture, which provides efficient routing between function blocks while maintaining low power consumption. The AIM feeds 40 true and complement inputs to each Function Block, enabling complex logic implementations.
Function Block Structure
Each function block in the XC2C64A-5VQ44C contains:
| Component |
Description |
| P-term Array |
40 x 56 Product Term PLA |
| Macrocells per Block |
16 |
| Configuration Options |
Combinational or Registered modes |
| Feedback Paths |
Direct and buried feedback support |
I/O Banking and Voltage Level Support
The XC2C64A-5VQ44C features two independent I/O banks that support multiple voltage standards, enabling seamless interfacing with various system components.
| I/O Standard |
Supported Voltages |
| LVCMOS |
1.5V, 1.8V, 2.5V, 3.3V |
| LVTTL |
3.3V |
| Schmitt Trigger Inputs |
1.5V compatible |
| JTAG Interface |
IEEE 1149.1/1532 |
XC2C64A-5VQ44C Programming and Development
In-System Programming (ISP) Capabilities
The XC2C64A-5VQ44C supports full in-system programmability through the industry-standard JTAG interface, allowing for:
- Field firmware updates without device removal
- Boundary-scan testing for production verification
- Prototype debugging and design iteration
- IEEE 1532 compliant programming operations
Development Tool Support
| Tool |
Description |
| Xilinx ISE WebPACK |
Free design software for CPLD development |
| ISE Design Suite |
Full-featured professional development environment |
| Platform Cable USB |
JTAG programming cable |
| ModelSim |
Simulation and verification support |
XC2C64A-5VQ44C Application Areas
The versatility and performance of the XC2C64A-5VQ44C make it suitable for numerous applications across various industries:
Industrial and Automation Applications
- PLC analog input modules – Signal conditioning and data acquisition
- State machine design – Sequential control logic implementation
- Address decoders – Memory mapping and peripheral selection
- Custom shift registers – Data serialization and parallel conversion
Communications and Networking
- Wireless infrastructure – Base band unit and remote radio unit implementations
- Interface bridging – Protocol conversion between different standards
- I2C/SPI bus interfaces – Peripheral communication controllers
- DDC interface – Display data channel implementations
Consumer Electronics
- Portable device power management – Battery life optimization
- Glue logic replacement – Consolidating multiple discrete logic ICs
- Custom I/O expansion – Adding functionality to microcontroller systems
XC2C64A-5VQ44C Ordering Information
Part Number Breakdown
| Code Segment |
Meaning |
| XC2C |
CoolRunner-II CPLD Family |
| 64A |
64 Macrocell, A-revision |
| -5 |
Speed Grade (Standard) |
| VQ |
Very Thin Quad Flat Pack |
| 44 |
Pin Count |
| C |
Commercial Temperature (0°C to 70°C) |
Related Part Numbers
| Part Number |
Speed Grade |
Package |
Temperature Range |
| XC2C64A-5VQ44C |
-5 (Standard) |
44-VQFP |
Commercial (0-70°C) |
| XC2C64A-7VQ44C |
-7 (Fast) |
44-VQFP |
Commercial (0-70°C) |
| XC2C64A-5VQG44C |
-5 (Standard) |
44-VQFP Pb-free |
Commercial (0-70°C) |
| XC2C64A-5CP56C |
-5 (Standard) |
56-CSP |
Commercial (0-70°C) |
| XC2C64A-5VQ100C |
-5 (Standard) |
100-VQFP |
Commercial (0-70°C) |
Why Choose the XC2C64A-5VQ44C CPLD?
The XC2C64A-5VQ44C represents an optimal balance of performance, power efficiency, and cost-effectiveness for programmable logic applications. Key advantages include:
- Industry-leading low power consumption – Extends battery life in portable applications
- High-speed operation – 263 MHz maximum frequency handles demanding timing requirements
- Flexible voltage interfacing – Two I/O banks support 1.5V to 3.3V standards
- Compact footprint – 10mm x 10mm package saves valuable PCB space
- Proven reliability – CoolRunner-II family track record in mission-critical applications
- Comprehensive tool support – Free ISE WebPACK software reduces development costs
XC2C64A-5VQ44C Documentation and Resources
For successful implementation of the XC2C64A-5VQ44C in your design, refer to the following documentation:
| Document Type |
Content |
| Datasheet |
Complete electrical specifications and timing diagrams |
| User Guide |
Architecture details and design guidelines |
| Application Notes |
Implementation examples and best practices |
| Pinout Diagrams |
Package pin assignments and I/O banking |
| IBIS Models |
Signal integrity simulation data |
Conclusion
The XC2C64A-5VQ44C CoolRunner-II CPLD from Xilinx (AMD) delivers the perfect combination of high performance, ultra-low power consumption, and design flexibility that modern electronic systems demand. With 64 macrocells, 263 MHz operation, and comprehensive I/O voltage support in a compact 44-pin VQFP package, this device is the ideal choice for designers seeking a reliable programmable logic solution. Whether you’re developing portable consumer electronics, industrial automation systems, or telecommunications equipment, the XC2C64A-5VQ44C provides the features and performance you need to bring your design to life.
