The XC2C256-7PQ208I is a high-performance Complex Programmable Logic Device (CPLD) from Xilinx’s CoolRunner-II family. This industrial-grade CPLD features 256 macrocells, 6000 logic gates, and ultra-low power consumption, making it ideal for demanding embedded applications requiring reliable programmable logic in harsh environments.
XC2C256-7PQ208I Product Overview
The XC2C256-7PQ208I belongs to Xilinx’s acclaimed CoolRunner-II CPLD series, engineered using advanced 0.18-micron CMOS technology. This device delivers exceptional performance with pin-to-pin propagation delays as fast as 5.7ns while maintaining remarkably low standby current of just 13µA—perfect for battery-operated and power-sensitive designs.
Key Features of XC2C256-7PQ208I CoolRunner-II CPLD
| Feature |
Description |
| Device Family |
CoolRunner-II CPLD |
| Manufacturer |
Xilinx (AMD) |
| Part Number |
XC2C256-7PQ208I |
| Temperature Grade |
Industrial (-40°C to +85°C) |
| Package Type |
208-Pin PQFP |
| RoHS Status |
Compliant Options Available |
XC2C256-7PQ208I Technical Specifications
Logic Resources and Architecture
| Parameter |
Specification |
| Macrocells |
256 |
| System Gates |
6,000 |
| Function Blocks |
8 |
| Maximum User I/O Pins |
173 |
| I/O Banks |
2 |
XC2C256-7PQ208I Electrical Characteristics
| Parameter |
Value |
| Core Voltage (VCCINT) |
1.7V – 1.9V (Nominal 1.8V) |
| I/O Voltage Range |
1.5V – 3.3V |
| Quiescent Current (ICC) |
As low as 13µA |
| Process Technology |
0.18µm CMOS |
XC2C256-7PQ208I Timing and Performance Specifications
| Parameter |
Specification |
| Maximum Frequency (fSYSTEM) |
152 MHz |
| Pin-to-Pin Delay (tPD) |
5.7ns (minimum) |
| Speed Grade |
-7 |
| Clock-to-Output Delay |
6.7ns |
XC2C256-7PQ208I Advanced Features
CoolCLOCK Technology
The XC2C256-7PQ208I incorporates Xilinx’s proprietary CoolCLOCK technology, combining clock division and DualEDGE flip-flop capabilities. This allows high-performance synchronous operation at lower clock frequencies, significantly reducing overall power consumption.
DataGATE Power Management
DataGATE technology enables selective disabling of unused CPLD inputs, minimizing signal switching and achieving substantial power savings during idle periods.
Advanced Interconnect Matrix (AIM)
Eight function blocks are interconnected through a low-power Advanced Interconnect Matrix. The AIM feeds 40 true and complement inputs to each function block, ensuring efficient signal routing and optimal timing performance.
Multi-Voltage I/O Banking
The XC2C256-7PQ208I features two independent I/O banks supporting multiple voltage standards:
| I/O Standard |
Voltage Level |
| LVCMOS33 |
3.3V |
| LVCMOS25 |
2.5V |
| LVCMOS18 |
1.8V |
| LVCMOS15 |
1.5V |
XC2C256-7PQ208I Package Information
208-Pin PQFP Package Specifications
| Parameter |
Value |
| Package Type |
Plastic Quad Flat Pack (PQFP) |
| Pin Count |
208 |
| Package Dimensions |
28mm × 28mm |
| Lead Pitch |
0.5mm |
| Terminal Style |
Gull Wing |
XC2C256-7PQ208I Industrial Applications
The industrial temperature rating (-40°C to +85°C) makes the XC2C256-7PQ208I suitable for:
- Industrial Automation: Motor control, sensor interfaces, and programmable logic controllers
- Telecommunications Equipment: Protocol conversion, signal routing, and interface bridging
- Medical Devices: Patient monitoring systems and diagnostic equipment
- Aerospace & Defense: Avionics systems and ruggedized electronics
- Automotive Electronics: Body control modules and infotainment systems
- Internet of Things (IoT): Edge computing and smart sensor nodes
XC2C256-7PQ208I Development and Programming
Software Tools Support
The XC2C256-7PQ208I is fully supported by Xilinx ISE Design Suite, providing comprehensive synthesis, implementation, and programming capabilities. Engineers familiar with Xilinx FPGA development will find the CoolRunner-II workflow seamlessly integrated.
In-System Programming (ISP)
This device supports IEEE 1149.1 (JTAG) boundary scan and in-system programmability, enabling field updates without device removal.
XC2C256-7PQ208I Part Number Decoder
| Code Segment |
Meaning |
| XC2C |
CoolRunner-II Family |
| 256 |
256 Macrocells |
| -7 |
Speed Grade 7 |
| PQ |
PQFP Package |
| 208 |
208 Pins |
| I |
Industrial Temperature Grade |
XC2C256-7PQ208I vs. Commercial Grade (XC2C256-7PQ208C)
| Specification |
XC2C256-7PQ208I (Industrial) |
XC2C256-7PQ208C (Commercial) |
| Operating Temperature |
-40°C to +85°C |
0°C to +70°C |
| Application Suitability |
Harsh Environments |
Standard Environments |
| Reliability Testing |
Extended |
Standard |
| Price Point |
Higher |
Lower |
Why Choose XC2C256-7PQ208I CoolRunner-II CPLD?
The XC2C256-7PQ208I delivers an exceptional combination of high-speed performance, ultra-low power consumption, and industrial-grade reliability. With its optimized 1.8V architecture, this CPLD provides significant power savings for high-end communication equipment while delivering the speed required for battery-operated devices. The low standby and dynamic power operation also improves overall system reliability—a critical factor in industrial and mission-critical applications.
XC2C256-7PQ208I Ordering Information
| Part Number |
Description |
| XC2C256-7PQ208I |
CoolRunner-II CPLD, 256 Macrocells, Industrial, 208-PQFP |
| XC2C256-7PQG208I |
Lead-Free/RoHS Version |
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