The XC2C256-7FT256I is a high-performance Complex Programmable Logic Device (CPLD) from AMD’s renowned CoolRunner-II family. This industrial-grade CPLD delivers exceptional speed, ultra-low power consumption, and versatile I/O capabilities, making it the ideal choice for demanding embedded applications, telecommunications systems, and industrial automation projects.
Key Features of the XC2C256-7FT256I CPLD
The XC2C256-7FT256I combines cutting-edge programmable logic technology with industrial reliability. Engineers choose this device for applications requiring fast signal processing, flexible I/O configurations, and long-term stability in harsh operating environments. The CoolRunner-II architecture provides instant-on capability with zero standby power, setting it apart from competing CPLD solutions.
Why Choose the XC2C256-7FT256I for Your Design?
This CPLD offers an optimal balance between logic density and performance. With 256 macrocells and 6,000 equivalent system gates, the XC2C256-7FT256I handles complex digital logic implementations while maintaining minimal power draw. The device supports multiple voltage standards through its dual I/O bank architecture, enabling seamless integration with 1.5V, 1.8V, 2.5V, and 3.3V system components.
XC2C256-7FT256I Technical Specifications
| Specification |
Value |
| Manufacturer |
AMD (formerly Xilinx) |
| Product Family |
CoolRunner-II |
| Part Number |
XC2C256-7FT256I |
| Device Type |
CPLD (Complex Programmable Logic Device) |
| Number of Macrocells |
256 |
| Equivalent System Gates |
6,000 |
| Maximum I/O Pins |
184 |
| Maximum Frequency |
152 MHz |
| Pin-to-Pin Delay (tPD) |
6.7 ns (typical) |
Electrical Characteristics
| Parameter |
Specification |
| Core Voltage (VCCINT) |
1.7V to 1.9V |
| I/O Voltage (VCCIO) |
1.5V / 1.8V / 2.5V / 3.3V |
| Standby Current |
Ultra-low (Zero Power Technology) |
| Process Technology |
0.18µm CMOS |
| Programming Type |
In-System Programmable (ISP) |
Package Information
| Attribute |
Detail |
| Package Type |
256-FTBGA (Fine-Pitch Thin Ball Grid Array) |
| Package Dimensions |
17mm × 17mm |
| Ball Pitch |
1.0mm |
| Mounting Style |
Surface Mount |
| Lead-Free Available |
Yes (RoHS Compliant) |
Operating Conditions
| Condition |
Range |
| Operating Temperature |
-40°C to +85°C (Industrial Grade) |
| Storage Temperature |
-65°C to +150°C |
| Temperature Grade |
I (Industrial) |
XC2C256-7FT256I Architecture and Functionality
The CoolRunner-II architecture in the XC2C256-7FT256I incorporates several advanced features that optimize both performance and power efficiency. The device contains 16 Function Blocks, each with 16 macrocells and a programmable interconnect array (PLA) structure that enables efficient logic implementation.
Advanced Clocking Options
The XC2C256-7FT256I provides flexible clocking through three global clock networks and additional product-term clocks. The innovative CoolCLOCK feature combines clock division and dual-edge triggering to reduce power consumption by up to 50% in clock-intensive applications. Engineers can configure individual macrocells for synchronous or asynchronous operation based on specific design requirements.
DataGATE Technology for Power Optimization
AMD’s proprietary DataGATE technology allows selective disabling of unused inputs, significantly reducing dynamic power consumption. This feature proves invaluable in battery-powered applications and designs where thermal management is critical. Combined with the zero standby power characteristic, the XC2C256-7FT256I achieves industry-leading power efficiency.
I/O Banking and Voltage Level Translation
The dual I/O bank architecture supports simultaneous operation at different voltage levels. This capability simplifies system design by eliminating external level shifters when interfacing between components operating at different voltages. Each bank independently supports LVCMOS, LVTTL, HSTL, and SSTL I/O standards.
Applications for the XC2C256-7FT256I
The XC2C256-7FT256I CPLD serves diverse applications across multiple industries:
Industrial Automation: Motor control interfaces, sensor signal conditioning, and PLC communication modules benefit from the device’s fast response time and industrial temperature rating.
Telecommunications: Protocol conversion, clock generation, and glue logic applications leverage the high-speed I/O capabilities and flexible clocking architecture.
Consumer Electronics: Portable devices utilize the ultra-low power consumption for extended battery life while maintaining responsive performance.
Medical Devices: The industrial temperature range and proven reliability make this CPLD suitable for diagnostic equipment and patient monitoring systems.
Aerospace and Defense: Designers select this device for applications requiring predictable timing, radiation tolerance, and long-term availability.
Design Resources and Development Tools
Engineers developing with the XC2C256-7FT256I have access to comprehensive design resources. The device is fully supported by AMD’s Vivado Design Suite and legacy ISE Design Tools for synthesis, implementation, and in-system programming. Evaluation boards and reference designs accelerate the development cycle for new projects.
For designers working with Xilinx FPGA and CPLD devices, AMD provides extensive documentation including datasheets, application notes, and user guides covering best practices for PCB layout, power supply design, and signal integrity.
Ordering Information
| Part Number |
Package |
Temperature |
Pins |
| XC2C256-7FT256I |
FTBGA |
Industrial (-40°C to +85°C) |
256 |
| XC2C256-7FT256C |
FTBGA |
Commercial (0°C to +70°C) |
256 |
| XC2C256-7VQG100I |
VQFP |
Industrial (-40°C to +85°C) |
100 |
| XC2C256-7PQ208I |
PQFP |
Industrial (-40°C to +85°C) |
208 |
Quality and Compliance
The XC2C256-7FT256I meets stringent quality standards and environmental regulations. The device is RoHS compliant, lead-free, and manufactured under ISO 9001 certified processes. For automotive applications, AEC-Q100 qualified variants may be available upon request.
Conclusion
The XC2C256-7FT256I represents an excellent choice for engineers requiring a reliable, high-performance CPLD with industrial-grade specifications. Its combination of 256 macrocells, 184 I/O pins, ultra-low power consumption, and robust operating temperature range delivers exceptional value for embedded system designs. Whether developing new products or upgrading existing platforms, the CoolRunner-II XC2C256-7FT256I provides the programmable logic foundation for successful implementation.
