The XC2C256-7VQ100C is a Complex Programmable Logic Device (CPLD) from AMD/Xilinx’s renowned CoolRunner-II family. This 256-macrocell CPLD delivers exceptional performance with ultra-low power consumption, making it an ideal choice for portable electronics, telecommunications equipment, and industrial control systems. As part of the Xilinx FPGA product ecosystem, this device combines instant-on capability with nonvolatile technology for reliable embedded applications.
XC2C256-7VQ100C Key Features and Benefits
The XC2C256-7VQ100C stands out in the programmable logic market due to its combination of speed and energy efficiency. Engineers choose this CPLD for designs requiring deterministic timing and minimal standby current.
Ultra-Low Power Consumption
One of the most compelling features of the XC2C256-7VQ100C is its remarkably low power profile. The device achieves quiescent current as low as 13 μA, enabling extended battery life in portable applications. Total standby power consumption measures just 28.8 μW, significantly reducing thermal management requirements in dense PCB layouts.
High-Speed Performance
Despite its low power characteristics, the XC2C256-7VQ100C delivers impressive speed metrics. The device achieves pin-to-pin propagation delays as fast as 5.7 ns and operates at frequencies up to 152 MHz. This performance level supports demanding signal processing and high-speed interface applications.
XC2C256-7VQ100C Technical Specifications
| Parameter |
Specification |
| Device Family |
CoolRunner-II |
| Macrocells |
256 |
| System Gates |
6,000 |
| User I/O Pins |
80 |
| Maximum Frequency |
152 MHz |
| Pin-to-Pin Delay |
5.7 ns (typical) |
| Core Voltage |
1.8V |
| Package Type |
100-Pin VTQFP |
| Package Dimensions |
14mm x 14mm |
Electrical Characteristics of XC2C256-7VQ100C
| Parameter |
Minimum |
Typical |
Maximum |
| Supply Voltage (VCC) |
1.7V |
1.8V |
1.9V |
| Quiescent Current |
– |
13 μA |
16 μA |
| Operating Temperature |
0°C |
25°C |
70°C |
| Standby Power |
– |
28.8 μW |
– |
| Global Clock Setup Time |
– |
3.3 ns |
– |
I/O Interface Standards Supported
The XC2C256-7VQ100C provides flexible voltage interfacing through multi-voltage I/O operation ranging from 1.5V to 3.3V. This versatility enables seamless integration with various logic families in mixed-voltage systems.
| I/O Standard |
VCCIO Voltage |
Application |
| LVTTL |
3.3V |
General purpose logic |
| LVCMOS33 |
3.3V |
Standard CMOS interfacing |
| LVCMOS25 |
2.5V |
Mid-voltage systems |
| LVCMOS18 |
1.8V |
Low-voltage applications |
| HSTL |
1.5V |
High-speed memory interfaces |
| SSTL |
2.5V/3.3V |
DDR memory systems |
Advanced Architecture Features
CoolCLOCK Technology
The XC2C256-7VQ100C incorporates CoolCLOCK technology, which combines clock division with DualEDGE flip-flop functionality. This innovative feature reduces dynamic power consumption by enabling synchronous operation at lower clock frequencies while maintaining high performance.
DataGATE Function
DataGATE technology allows selective disabling of input pins during idle periods. By reducing unnecessary signal switching, engineers can achieve additional power savings in applications with intermittent data activity.
Advanced Interconnect Matrix (AIM)
The device architecture features eight Function Blocks interconnected through a low-power Advanced Interconnect Matrix. This design provides 40 true and complement inputs to each Function Block, enabling efficient logic synthesis and routing.
XC2C256-7VQ100C Package Information
| Specification |
Detail |
| Package Style |
VTQFP (Very Thin Quad Flat Pack) |
| Pin Count |
100 |
| Body Size |
14mm x 14mm |
| Lead Pitch |
0.5mm |
| Mounting Type |
Surface Mount |
| Moisture Sensitivity |
MSL 3 (168 hours) |
| RoHS Status |
Compliant |
Typical Applications for XC2C256-7VQ100C
The XC2C256-7VQ100C excels in numerous embedded design scenarios where power efficiency and deterministic timing are critical requirements.
Consumer Electronics
Battery-powered devices benefit significantly from the ultra-low standby current. Applications include handheld gaming systems, portable audio players, and wearable technology where power management directly impacts user experience.
Telecommunications Infrastructure
Network equipment designers utilize this CPLD for protocol conversion, bus bridging, and glue logic functions. The fast propagation delay supports high-speed serial interfaces common in modern communication systems.
Industrial Control Systems
Factory automation equipment requires reliable programmable logic for sensor interfacing, motor control, and safety monitoring. The commercial temperature range (0°C to 70°C) suits most indoor industrial environments.
Medical Devices
Portable diagnostic equipment and patient monitoring systems leverage the low power characteristics for extended battery operation during critical healthcare delivery.
Programming and Development Tools
Engineers developing with the XC2C256-7VQ100C can utilize Xilinx ISE Design Suite for synthesis, implementation, and programming. The device supports IEEE 1149.1/1532 boundary scan (JTAG) for in-system programming, prototyping, and production testing.
Development Resources
- Xilinx ISE WebPACK (free download)
- CoolRunner-II CPLD Starter Kit
- Comprehensive application notes and reference designs
- JTAG programming cables and adapters
Ordering Information
| Part Number |
Speed Grade |
Temperature Range |
Package |
| XC2C256-7VQ100C |
-7 |
Commercial (0°C to 70°C) |
100-VTQFP |
| XC2C256-7VQ100I |
-7 |
Industrial (-40°C to 85°C) |
100-VTQFP |
| XC2C256-7VQG100C |
-7 |
Commercial (0°C to 70°C) |
100-VTQFP (Pb-Free) |
Why Choose XC2C256-7VQ100C for Your Design
The XC2C256-7VQ100C represents an optimal balance between performance, power consumption, and cost for medium-density programmable logic applications. Its combination of instant-on nonvolatile technology, ultra-low power operation, and high-speed performance makes it suitable for designs where reliability and energy efficiency cannot be compromised.
Whether you are developing portable consumer products, industrial automation systems, or telecommunications equipment, the XC2C256-7VQ100C provides the flexibility and performance required for successful embedded system development.
