The XC2C256-6PQG208C is a high-performance Complex Programmable Logic Device (CPLD) from the Xilinx CoolRunner-II family, now manufactured by AMD. This 256-macrocell CPLD delivers exceptional speed with 5.7ns pin-to-pin propagation delay while maintaining ultra-low power consumption, making it the ideal choice for portable electronics, telecommunications equipment, and industrial control systems.
XC2C256-6PQG208C Product Overview
The XC2C256-6PQG208C belongs to the renowned CoolRunner-II CPLD series, which combines high-speed performance with industry-leading low power consumption. Featuring Fast Zero Power (FZP) technology, this device achieves standby currents as low as 13μA while operating at frequencies up to 256MHz. Engineers seeking reliable Xilinx FPGA and CPLD solutions will find this device perfect for applications requiring instant-on functionality and deterministic timing.
XC2C256-6PQG208C Key Specifications
| Parameter |
Specification |
| Part Number |
XC2C256-6PQG208C |
| Manufacturer |
AMD (formerly Xilinx) |
| Device Family |
CoolRunner-II CPLD |
| Number of Macrocells |
256 |
| Equivalent Gates |
6,000 |
| Maximum Frequency |
256 MHz |
| Pin-to-Pin Delay |
5.7 ns |
| Process Technology |
0.18μm CMOS |
| Core Voltage |
1.8V |
| Package Type |
208-Pin PQFP |
| User I/O Pins |
173 |
| Temperature Grade |
Commercial (0°C to +70°C) |
| RoHS Status |
Compliant (Pb-free) |
XC2C256-6PQG208C Technical Features
Advanced Architecture Design
The XC2C256-6PQG208C incorporates eight Function Blocks interconnected by a low-power Advanced Interconnect Matrix (AIM). This architecture feeds 40 true and complement inputs to each Function Block, enabling efficient logic implementation and optimal signal routing. The device supports In-System Programmability (ISP) via JTAG interface for convenient field updates.
Ultra-Low Power Consumption
One of the standout features of the XC2C256-6PQG208C is its exceptional power efficiency. The Fast Zero Power technology enables:
| Power Feature |
Value |
| Standby Current |
As low as 13μA |
| Operating Mode |
Zero standby power |
| Power Technology |
Fast Zero Power (FZP) |
Multi-Voltage I/O Support
The XC2C256-6PQG208C features two independent I/O banks that support multiple voltage standards for seamless system integration.
| I/O Standard |
VCCIO Voltage |
| LVTTL |
3.3V |
| LVCMOS33 |
3.3V |
| LVCMOS25 |
2.5V |
| LVCMOS18 |
1.8V |
| 1.5V I/O |
1.5V |
| HSTL-1 |
1.5V |
| SSTL2-1 |
2.5V |
| SSTL3-1 |
3.3V |
Enhanced Clock Management
The XC2C256-6PQG208C includes advanced clocking features for optimized system performance:
| Clock Feature |
Description |
| Global Clocks |
3 dedicated global clock pins |
| Clock Divider |
8 selectable division ratios |
| DualEDGE Flip-Flop |
Per-macrocell dual-edge triggering |
| CoolCLOCK |
Combined clock divide and DualEDGE feature |
XC2C256-6PQG208C Applications
The XC2C256-6PQG208C CPLD is ideal for numerous applications across various industries:
Consumer Electronics
This device excels in battery-powered applications due to its ultra-low standby current and instant-on capability, making it perfect for smartphones, tablets, and wearable devices.
Industrial Control Systems
Engineers utilize the XC2C256-6PQG208C for PLC interfaces, motor control logic, and sensor data processing where deterministic timing is critical.
Telecommunications Equipment
The high-speed performance and multi-voltage I/O support make this CPLD suitable for networking equipment, protocol converters, and interface bridges.
Automotive Electronics
With its robust design and reliable operation, the XC2C256-6PQG208C serves automotive infotainment systems and body control modules effectively.
XC2C256-6PQG208C Package Information
| Package Parameter |
Specification |
| Package Type |
PQFP (Plastic Quad Flat Pack) |
| Pin Count |
208 |
| Body Size |
28mm x 28mm |
| Lead Pitch |
0.5mm |
| Mounting Type |
Surface Mount (SMD) |
| Lead Style |
Gull Wing |
XC2C256-6PQG208C Ordering Information
| Order Code |
Speed Grade |
Temperature Range |
Package |
| XC2C256-6PQG208C |
-6 (5.7ns) |
Commercial (0°C to +70°C) |
208-PQFP |
| XC2C256-6PQG208I |
-6 (5.7ns) |
Industrial (-40°C to +85°C) |
208-PQFP |
| XC2C256-7PQG208C |
-7 (6.7ns) |
Commercial (0°C to +70°C) |
208-PQFP |
Why Choose XC2C256-6PQG208C?
The XC2C256-6PQG208C stands out as a premium CPLD solution offering the perfect balance between performance, power efficiency, and flexibility. Its 256 macrocells provide ample logic resources for complex designs, while the 5.7ns propagation delay ensures high-speed operation. The multi-voltage I/O capability simplifies integration with various system components operating at different voltage levels.
Design engineers appreciate the CoolRunner-II architecture for its predictable timing characteristics, comprehensive development tool support through AMD Vivado Design Suite, and extensive documentation. Whether you’re developing portable consumer electronics or high-reliability industrial systems, the XC2C256-6PQG208C delivers the performance and reliability your application demands.
XC2C256-6PQG208C Development Tools
| Tool |
Description |
| Vivado Design Suite |
Primary development environment |
| ISE Design Tools |
Legacy design support |
| ChipScope Pro |
In-system debugging |
| JTAG Programmer |
Device programming interface |
Conclusion
The XC2C256-6PQG208C represents the pinnacle of CPLD technology, combining Xilinx’s proven CoolRunner-II architecture with AMD’s manufacturing excellence. This 256-macrocell device delivers industry-leading performance with 5.7ns timing, ultra-low 13μA standby current, and flexible multi-voltage I/O support. For engineers seeking a reliable, high-performance programmable logic solution, the XC2C256-6PQG208C remains the preferred choice across consumer, industrial, telecommunications, and automotive applications.