The XC2C256-7FT256C is a high-performance Complex Programmable Logic Device (CPLD) from the renowned Xilinx CoolRunner-II family. This ultra-low power CPLD delivers exceptional performance with 256 macrocells, 6000 system gates, and a maximum operating frequency of 152MHz. Designed for engineers and developers who demand reliability and efficiency, the XC2C256-7FT256C is the ideal choice for portable, battery-powered, and industrial applications.
XC2C256-7FT256C Overview and Key Features
The XC2C256-7FT256C stands out in the programmable logic market due to its innovative Fast Zero Power (FZP) technology. This technology enables the device to achieve standby power consumption as low as 28.8µW, making it perfect for power-sensitive designs. Furthermore, the instant-on, nonvolatile architecture ensures your system is ready immediately upon power-up.
Why Choose the XC2C256-7FT256C CPLD?
Engineers worldwide choose the XC2C256-7FT256C for several compelling reasons:
- Ultra-Low Power Consumption: Standby current of only 16µA
- High Performance: Propagation delay as low as 5.7ns
- Flexible I/O: Supports multiple voltage standards including LVCMOS, LVTTL, HSTL, and SSTL
- In-System Programmable: Easy field updates via JTAG interface
- Nonvolatile Memory: Retains configuration without external memory
For more programmable logic solutions, explore our complete Xilinx FPGA product lineup.
XC2C256-7FT256C Technical Specifications
Understanding the complete specifications of the XC2C256-7FT256C helps engineers make informed design decisions. Below are comprehensive specification tables covering all critical parameters.
General Specifications
| Parameter |
Value |
| Manufacturer |
AMD (formerly Xilinx) |
| Part Number |
XC2C256-7FT256C |
| Family |
CoolRunner-II |
| Device Type |
CPLD |
| Number of Macrocells |
256 |
| Number of Gates |
6,000 |
| Number of I/O |
184 |
| Number of Logic Blocks |
16 |
Electrical Specifications
| Parameter |
Value |
| Core Voltage Supply |
1.7V to 1.9V (1.8V Nominal) |
| I/O Voltage Options |
1.5V, 1.8V, 2.5V, 3.3V |
| Standby Current |
16µA (Typical) |
| Standby Power |
28.8µW |
| I/O Standards Supported |
LVCMOS, LVTTL, HSTL, SSTL |
Performance Specifications
| Parameter |
Value |
| Maximum Frequency |
152MHz |
| Propagation Delay (tpd) |
5.7ns to 6.7ns |
| Global Clock Setup Time |
2.4ns |
| Speed Grade |
-7 |
| Technology Node |
0.18µm CMOS |
Physical Specifications
| Parameter |
Value |
| Package Type |
FTBGA (Fine-pitch Ball Grid Array) |
| Package Size |
17mm x 17mm |
| Pin Count |
256 |
| Mounting Type |
Surface Mount |
| Operating Temperature |
0°C to +70°C (Commercial Grade) |
XC2C256-7FT256C Pin Configuration and Package Details
The XC2C256-7FT256C utilizes a 256-ball FTBGA package with 17mm x 17mm dimensions. This compact form factor provides excellent thermal characteristics and reliable solder joints for production environments.
Pin Categories
| Pin Type |
Quantity |
Description |
| User I/O Pins |
184 |
General purpose programmable I/O |
| JTAG Pins |
4 |
TDI, TDO, TMS, TCK for programming |
| Power Pins |
Multiple |
VCC, VCCIO, VCCAUX |
| Ground Pins |
Multiple |
GND connections |
XC2C256-7FT256C CoolRunner-II Advanced Features
DataGATE Technology
The XC2C256-7FT256C incorporates Xilinx’s proprietary DataGATE technology. This feature allows selective blocking of input signals, significantly reducing dynamic power consumption during idle periods. DataGATE is particularly valuable in battery-powered devices where every microampere counts.
CoolCLOCK Technology
CoolCLOCK technology combines clock gating with the advanced flip-flop design. This innovation reduces dynamic power by eliminating unnecessary clock transitions within the device. As a result, the XC2C256-7FT256C achieves industry-leading power efficiency without sacrificing performance.
Advanced Interconnect Matrix (AIM)
The CoolRunner-II architecture employs an Advanced Interconnect Matrix that provides fast, predictable timing paths. This architecture ensures consistent performance across all logic configurations, simplifying timing closure during design implementation.
XC2C256-7FT256C Applications
The versatility of the XC2C256-7FT256C makes it suitable for numerous applications across various industries.
Industrial Applications
| Application |
Benefits |
| Motor Control |
Fast response time, reliable operation |
| Sensor Interface |
Multiple I/O standards support |
| Machine Safety Systems |
Instant-on capability, nonvolatile storage |
| PLC Controllers |
Flexible logic implementation |
Consumer Electronics Applications
| Application |
Benefits |
| Portable Devices |
Ultra-low power consumption |
| Gaming Accessories |
High-speed performance |
| Smart Home Devices |
Compact package size |
| Wearable Technology |
Extended battery life |
Automotive and Aerospace Applications
| Application |
Benefits |
| Dashboard Electronics |
Wide temperature range |
| Navigation Systems |
Fast boot time |
| Infotainment Systems |
Multiple voltage compatibility |
| Avionics Control |
High reliability |
Communication Applications
| Application |
Benefits |
| Protocol Conversion |
Flexible I/O standards |
| Data Buffering |
High-speed operation |
| Interface Bridging |
Multiple voltage levels |
| Signal Conditioning |
Precise timing control |
XC2C256-7FT256C Programming and Development
Development Tools
The XC2C256-7FT256C is supported by comprehensive development tools that streamline the design process:
| Tool |
Purpose |
| Xilinx ISE WebPACK |
Design entry, synthesis, implementation |
| iMPACT |
Device programming and verification |
| ChipScope |
Real-time debugging |
Design Entry Methods
Engineers can choose from multiple design entry methods:
- VHDL: Industry-standard hardware description language
- Verilog: Alternative HDL for digital design
- Schematic Capture: Graphical design entry for simpler projects
Programming Interface
The XC2C256-7FT256C supports In-System Programming (ISP) through the standard JTAG interface. This capability enables:
- Field firmware updates without device removal
- Production programming in-circuit
- Boundary scan testing for quality assurance
XC2C256-7FT256C vs Other CoolRunner-II Devices
| Part Number |
Macrocells |
Gates |
I/O |
Package |
| XC2C32 |
32 |
750 |
33 |
Various |
| XC2C64 |
64 |
1,500 |
64 |
Various |
| XC2C128 |
128 |
3,000 |
100 |
Various |
| XC2C256-7FT256C |
256 |
6,000 |
184 |
256-FTBGA |
| XC2C384 |
384 |
9,000 |
240 |
Various |
| XC2C512 |
512 |
12,000 |
270 |
Various |
Ordering Information for XC2C256-7FT256C
Part Number Decoder
Understanding the XC2C256-7FT256C part number helps identify exact specifications:
| Code |
Meaning |
| XC2C |
CoolRunner-II Family |
| 256 |
256 Macrocells |
| -7 |
Speed Grade (7ns) |
| FT |
FTBGA Package Type |
| 256 |
256 Pin Count |
| C |
Commercial Temperature (0°C to +70°C) |
Related Part Numbers
| Part Number |
Difference |
| XC2C256-7FT256I |
Industrial temperature (-40°C to +100°C) |
| XC2C256-7FTG256C |
Lead-free/RoHS compliant variant |
| XC2C256-7VQ100C |
100-pin VQFP package |
| XC2C256-7PQ208C |
208-pin PQFP package |
Quality and Compliance Information
The XC2C256-7FT256C meets rigorous quality standards required for commercial and industrial applications:
| Standard |
Status |
| RoHS Compliance |
Compliant |
| REACH Compliance |
Compliant |
| MSL (Moisture Sensitivity Level) |
MSL 3 – 168 hours |
| ESD Protection |
Built-in |
| ECCN |
EAR99 |
Conclusion: Why the XC2C256-7FT256C is the Right Choice
The XC2C256-7FT256C delivers an exceptional combination of performance, power efficiency, and flexibility. With 256 macrocells, ultra-low 16µA standby current, and comprehensive I/O support, this CPLD addresses the demanding requirements of modern electronic designs. Whether you’re developing portable consumer electronics, industrial control systems, or communication equipment, the XC2C256-7FT256C provides the programmable logic foundation your project needs.
The proven CoolRunner-II architecture, combined with advanced features like DataGATE and CoolCLOCK, ensures your design achieves optimal power efficiency without compromising on speed or functionality. Additionally, the robust development ecosystem and in-system programmability make the XC2C256-7FT256C an engineer-friendly choice from prototype through production.
