The XC2C128-6VQG100C is a high-performance Complex Programmable Logic Device (CPLD) from AMD’s renowned CoolRunner-II family. This advanced programmable logic solution offers exceptional flexibility for digital design applications, featuring 128 macrocells and ultra-low power consumption. As part of AMD’s legacy Xilinx FPGA and CPLD product line, this device provides designers with reliable, in-system programmable logic for embedded systems, industrial control, and consumer electronics applications.
Key Features and Specifications
XC2C128-6VQG100C Core Specifications
| Specification |
Details |
| Part Number |
XC2C128-6VQG100C |
| Manufacturer |
AMD (formerly Xilinx) |
| Product Family |
CoolRunner-II CPLD |
| Number of Macrocells |
128 |
| Logic Gates |
3000 Gates |
| Speed Grade |
-6 (5.7ns tpd max) |
| Operating Frequency |
244 MHz |
| Technology |
0.18µm CMOS |
Electrical and Physical Characteristics
| Parameter |
Value |
| Supply Voltage (Internal) |
1.7V ~ 1.9V |
| I/O Voltage |
1.5V ~ 3.3V compatible |
| Number of I/O Pins |
80 User I/O |
| Logic Blocks |
8 Function Blocks |
| Operating Temperature |
0°C ~ 70°C (Commercial Grade) |
| Power Consumption |
Ultra-low (Zero Power technology) |
Package Information
| Package Detail |
Specification |
| Package Type |
100-VQFP (Very Thin Quad Flat Pack) |
| Pin Count |
100 pins |
| Package Dimensions |
14mm x 14mm |
| Pin Pitch |
0.5mm |
| Mounting Type |
Surface Mount Technology (SMT) |
| Lead Finish |
Pb-free (RoHS Compliant) |
| MSL Rating |
Moisture Sensitivity Level 3 |
XC2C128-6VQG100C Technical Advantages
In-System Programmability (ISP)
The XC2C128-6VQG100C features full in-system programmability, allowing designers to update logic configurations without removing the device from the circuit board. This ISP capability significantly reduces development time and enables field upgrades for deployed systems.
CoolRunner-II Architecture Benefits
AMD’s CoolRunner-II architecture delivers several critical advantages:
- Zero Power Design: Industry-leading low standby power consumption
- Fast Clock-to-Out: 5.7ns maximum propagation delay
- High Density: 128 macrocells in a compact footprint
- Mixed Voltage I/O: Supports 1.5V to 3.3V I/O standards
- Advanced Clocking: Multiple global clocks with low skew
Application Areas for XC2C128-6VQG100C
Industrial Control Systems
The XC2C128-6VQG100C excels in industrial automation applications where reliable logic control and low power consumption are essential. Its robust design handles motor control, sensor interfacing, and protocol conversion tasks efficiently.
Consumer Electronics
This CPLD provides cost-effective logic solutions for consumer devices including:
- Portable electronics with battery power constraints
- Display controllers and timing generators
- Interface bridging and protocol conversion
- Keyboard and button matrix scanning
Communications Equipment
The device’s high-speed performance makes it ideal for telecommunications applications such as:
- Data routing and switching logic
- Protocol handlers and state machines
- Signal conditioning and level translation
- Timing and synchronization circuits
Medical Equipment Design
Medical device manufacturers choose the XC2C128-6VQG100C for its reliability and low electromagnetic interference characteristics in diagnostic equipment, patient monitoring systems, and laboratory instruments.
Programming and Development
Supported Development Tools
| Tool Category |
Compatible Software |
| Design Entry |
AMD Vivado Design Suite, ISE WebPACK |
| Programming |
iMPACT, ChipScope Pro |
| Simulation |
ModelSim, Active-HDL |
| Language Support |
VHDL, Verilog, Schematic Entry |
Programming Interface
The XC2C128-6VQG100C supports standard JTAG programming through a 4-pin boundary scan interface, enabling seamless integration into automated production environments and facilitating design debugging.
Performance Specifications
Timing Characteristics
| Timing Parameter |
Typical Value |
Maximum Value |
| tpd (Propagation Delay) |
4.5ns |
5.7ns |
| tsu (Setup Time) |
2.0ns |
2.5ns |
| th (Hold Time) |
0ns |
0ns |
| fmax (Maximum Frequency) |
244 MHz |
244 MHz |
| tco (Clock to Output) |
4.0ns |
5.0ns |
Power Consumption Profile
| Operating Mode |
Current Draw |
| Standby (Zero Power) |
< 100µA |
| Active (Typical) |
10mA @ 100 MHz |
| Active (Maximum) |
25mA @ 244 MHz |
Design Considerations
Pin Assignment Guidelines
When implementing designs with the XC2C128-6VQG100C, consider these pin planning best practices:
- Assign high-frequency signals to dedicated global clock inputs
- Group related I/O signals by function block for optimal routing
- Reserve JTAG pins for programming and debugging access
- Plan for adequate power and ground pin distribution
Thermal Management
While the CoolRunner-II architecture minimizes heat generation, proper PCB layout ensures optimal performance:
- Provide adequate copper pour for ground planes
- Maintain thermal vias near the package center
- Consider ambient temperature in enclosed applications
- Follow AMD’s recommended footprint specifications
Comparison with Similar Devices
XC2C128 Speed Grade Comparison
| Part Number |
Speed Grade |
Max Frequency |
Typical tpd |
| XC2C128-6VQG100C |
-6 |
244 MHz |
5.7ns |
| XC2C128-7VQG100C |
-7 |
192 MHz |
7.5ns |
Alternative Package Options
| Package Type |
Pin Count |
Dimensions |
I/O Count |
| 100-VQFP |
100 |
14x14mm |
80 |
| 132-CPG |
132 |
15x15mm |
100 |
| 144-TQFP |
144 |
20x20mm |
108 |
Ordering Information and Availability
Part Number Breakdown
XC2C128-6VQG100C decodes as:
- XC2C = CoolRunner-II CPLD family
- 128 = 128 macrocells
- -6 = Speed grade (fastest commercial option)
- VQ = Very thin Quad flat pack
- G = Pb-free, RoHS compliant
- 100 = 100 pins
- C = Commercial temperature range (0°C to 70°C)
Package Marking
The device top marking includes:
- Xilinx/AMD logo
- Part number: XC2C128-6VQG100C
- Date code and lot traceability information
- Country of origin
Quality and Reliability
Compliance Standards
| Standard |
Compliance Status |
| RoHS |
Fully Compliant (Pb-free) |
| REACH |
Compliant |
| Conflict Minerals |
Conflict-free sourcing |
| Quality Standard |
ISO 9001 certified manufacturing |
Reliability Metrics
- MTBF (Mean Time Between Failures): >1,000,000 hours
- ESD Protection: Human Body Model (HBM) Class 1C
- Latch-up Immunity: >100mA
- Endurance: 10,000 programming cycles minimum
Getting Started with XC2C128-6VQG100C
Development Kit Options
AMD provides comprehensive development resources including:
- CoolRunner-II evaluation boards
- Reference designs and application notes
- Tutorial documentation and video guides
- Active community support forums
Technical Support Resources
Designers can access extensive documentation through AMD’s official channels, including detailed datasheets, programming guides, design constraint files, and application notes covering common implementation scenarios.
Frequently Asked Questions
What is the difference between CPLD and FPGA?
CPLDs like the XC2C128-6VQG100C offer non-volatile configuration storage, instant-on operation, and predictable timing. FPGAs provide higher logic density and more complex routing resources but require external configuration memory.
Is the XC2C128-6VQG100C suitable for automotive applications?
The commercial-grade (-6VQG100C) variant operates from 0°C to 70°C. For automotive applications requiring extended temperature ranges, consider the industrial-grade alternatives.
How many times can the device be reprogrammed?
The XC2C128-6VQG100C supports a minimum of 10,000 programming cycles, making it suitable for iterative development and field updates throughout the product lifecycle.
What power supply voltage is required?
The device requires a 1.8V core supply (1.7V-1.9V range) with separate I/O banks supporting 1.5V to 3.3V logic levels.
Conclusion
The XC2C128-6VQG100C represents a proven, reliable CPLD solution for applications demanding low power consumption, fast performance, and flexible programmability. Its CoolRunner-II architecture, combined with 128 macrocells and 80 I/O pins in a compact 100-VQFP package, makes it an excellent choice for industrial, consumer, and communications applications. With comprehensive development tool support and extensive documentation, designers can rapidly implement sophisticated digital logic solutions using this versatile programmable logic device.
