The XC2C128-7VQG100C is a cutting-edge Complex Programmable Logic Device (CPLD) from AMD Xilinx’s renowned CoolRunner-II family. This high-performance CPLD combines 128 macrocells with ultra-low power consumption, making it an ideal solution for power-sensitive embedded applications. Whether you’re designing industrial control systems, telecommunications equipment, or automotive electronics, the XC2C128-7VQG100C delivers exceptional flexibility and reliability.
As part of the Xilinx FPGA product ecosystem, this CPLD offers designers the perfect balance between programmable logic capacity and energy efficiency, featuring advanced 0.18-micron CMOS technology and in-system programmability for seamless prototyping and production.
Key Technical Specifications
Core Features of XC2C128-7VQG100C
| Specification |
Details |
| Part Number |
XC2C128-7VQG100C |
| Manufacturer |
AMD Xilinx (formerly Xilinx Inc.) |
| Product Family |
CoolRunner-II CPLD |
| Number of Macrocells |
128 |
| Logic Gates |
3,000 |
| Logic Elements/Blocks |
8 Function Blocks |
| Maximum Frequency |
152 MHz |
| Propagation Delay |
7 ns |
| Process Technology |
0.18μm CMOS |
Electrical and Package Specifications
| Parameter |
Value |
| Supply Voltage (Internal) |
1.7V to 1.9V (1.8V typical) |
| I/O Voltage Range |
1.5V to 3.3V (multi-voltage support) |
| Number of I/O Pins |
80 user-configurable I/Os |
| Package Type |
100-VQFP (Very Thin Quad Flat Pack) |
| Package Dimensions |
14mm × 14mm |
| Pin Count |
100 pins |
| Pin Pitch |
0.5mm |
| Mounting Type |
Surface Mount Technology (SMT) |
| Operating Temperature |
0°C to 70°C (Commercial Grade) |
Programming and Configuration Features
| Feature |
Description |
| Programming Method |
In-System Programmable (ISP) |
| Configuration Memory |
Non-volatile Flash technology |
| JTAG Support |
IEEE 1149.1/1532 compliant |
| Configuration Time |
Fast in-system reconfiguration |
| Reprogrammability |
Unlimited erase/program cycles |
Advanced Architecture and Design Capabilities
CoolRunner-II Architecture
The XC2C128-7VQG100C features an advanced architecture designed for both high-performance and low-power applications. The device consists of eight Function Blocks interconnected by an Advanced Interconnect Matrix (AIM) that feeds 40 true and complement inputs to each Function Block.
Each Function Block contains:
- 40 × 56 product-term Programmable Logic Array (PLA)
- 16 macrocells with multiple configuration options
- Flexible combinational and registered operation modes
- Advanced signal routing capabilities
I/O Standards Support
The XC2C128-7VQG100C supports multiple I/O standards for maximum design flexibility:
| I/O Standard |
Output VCCIO |
Input VCCIO |
Application |
| LVCMOS33 |
3.3V |
3.3V |
General purpose logic |
| LVCMOS25 |
2.5V |
2.5V |
Low voltage systems |
| LVCMOS18 |
1.8V |
1.8V |
Ultra-low power designs |
| LVCMOS15 |
1.5V |
1.5V |
Battery-operated devices |
| HSTL_I |
1.5V |
1.5V |
High-speed signaling |
| SSTL2_I |
2.5V |
2.5V |
Memory interfaces |
| SSTL3_I |
3.3V |
3.3V |
DDR memory applications |
Key Benefits and Advantages
Ultra-Low Power Consumption
The CoolRunner-II architecture delivers industry-leading low power performance:
- Standby Power: Minimal static current consumption
- Dynamic Power: Optimized switching characteristics
- Power Management: Advanced power control features
- Battery Life: Extended operation in portable devices
High-Speed Performance
With a maximum operating frequency of 152 MHz and propagation delay of just 7 nanoseconds, the XC2C128-7VQG100C handles demanding real-time applications with ease.
Design Flexibility
- 128 Macrocells: Ample logic resources for complex designs
- 80 I/O Pins: Extensive connectivity options
- Multi-Voltage I/O: Interface with various logic families
- Reconfigurable Logic: Adapt to changing requirements
Reliable and Proven Technology
- Non-Volatile Configuration: Retains programming without power
- Industrial-Grade Quality: Commercial temperature range
- JTAG Programming: Industry-standard configuration interface
- Xilinx Legacy: Backed by decades of CPLD expertise
Target Applications and Use Cases
Industrial Automation and Control
The XC2C128-7VQG100C CPLD excels in industrial environments:
- Process control systems
- Motor control and drive electronics
- Sensor interface and signal conditioning
- Industrial protocol conversion
- PLC (Programmable Logic Controller) systems
- Factory automation equipment
Telecommunications Equipment
Perfect for communication infrastructure:
- Network routers and switches
- Protocol bridging and conversion
- Signal multiplexing and demultiplexing
- Base station control logic
- Telecom interface cards
- Data communication systems
Automotive Electronics
Meets the demands of automotive applications:
- Engine control units (ECU)
- Body control modules
- Infotainment systems
- Dashboard displays
- Sensor fusion and processing
- ADAS (Advanced Driver Assistance Systems)
Consumer Electronics
Ideal for commercial products:
- Set-top boxes and media players
- Gaming console peripherals
- Smart home devices
- Portable electronics
- Audio/video processing
- Display controllers
Medical Devices
Suitable for healthcare equipment:
- Patient monitoring systems
- Diagnostic equipment interfaces
- Medical imaging devices
- Laboratory instrumentation
- Portable medical devices
- Data acquisition systems
Design and Development Support
Development Tools
Xilinx ISE Design Suite and Vivado Design Suite provide comprehensive support for the XC2C128-7VQG100C:
- Integrated synthesis and implementation
- Timing analysis and optimization
- Power estimation and analysis
- Device configuration and programming
- Simulation and verification tools
Programming and Configuration
The device supports multiple programming methods:
- In-System Programming (ISP): Program the device while installed on the PCB
- JTAG Programming: Industry-standard boundary-scan interface
- Serial Programming: Efficient configuration through serial port
- Parallel Programming: High-speed configuration option
Package and Pinout Information
100-VQFP Package Details
The XC2C128-7VQG100C comes in a compact 100-pin Very Thin Quad Flat Pack (VQFP) package:
| Package Characteristic |
Specification |
| Package Style |
VQFP-100 |
| Body Size |
14mm × 14mm |
| Height Profile |
Very thin profile for space-constrained designs |
| Pin Pitch |
0.5mm fine pitch |
| Lead Count |
100 leads |
| Material |
RoHS compliant, lead-free |
| Moisture Sensitivity |
MSL 3 (Moisture Sensitivity Level) |
Pin Configuration
The 100-pin configuration provides:
- 80 User I/O Pins: Fully programmable input/output capability
- Power Pins: Multiple VCC and GND for stable operation
- JTAG Pins: TCK, TMS, TDI, TDO for programming
- Configuration Pins: For device setup and control
Quality and Reliability
Manufacturing Standards
- RoHS Compliant: Lead-free and environmentally friendly
- Commercial Grade: 0°C to 70°C operating temperature
- Quality Assurance: Rigorous testing and validation
- Traceability: Full lot and date code tracking
- ESD Protection: Built-in electrostatic discharge protection
Lifecycle Status
While the XC2C128-7VQG100C has been classified as obsolete by the manufacturer, it remains available through authorized distributors and component suppliers with existing inventory. Many legacy systems continue to rely on this proven CPLD solution.
Ordering and Availability
Part Number Breakdown
XC2C128-7VQG100C decoding:
- XC2C128: CoolRunner-II family with 128 macrocells
- 7: Speed grade (7ns propagation delay)
- VQG100: VQFP package with 100 pins
- C: Commercial temperature grade (0°C to 70°C)
Package Options
Standard packaging includes:
- Tray Packaging: For automated pick-and-place assembly
- Tube Packaging: Available upon request
- Anti-Static Protection: All units shipped in ESD-safe packaging
Alternative Part Numbers
Consider these related variants:
- XC2C128-7VQG100I: Industrial temperature grade (-40°C to 85°C)
- XC2C128-7TQG144C: 144-pin TQFP package option
- XC2C128-6VQG100C: Faster speed grade option
Technical Comparison Table
XC2C128 vs. Other CoolRunner-II Devices
| Part Number |
Macrocells |
Gates |
I/O Pins |
Package |
Best For |
| XC2C64A |
64 |
1,500 |
64 |
44-VQFP |
Small-scale logic |
| XC2C128 |
128 |
3,000 |
80 |
100-VQFP |
Mid-range applications |
| XC2C256 |
256 |
6,000 |
184 |
144-TQFP |
Complex designs |
| XC2C384 |
384 |
9,000 |
240 |
256-BGA |
High-density logic |
Design Considerations and Best Practices
Power Supply Design
For optimal XC2C128-7VQG100C performance:
- Provide clean, stable 1.8V supply for VCCINT
- Use separate regulation for I/O banks (VCCIO)
- Include bypass capacitors near power pins
- Implement proper power sequencing
- Consider power plane design on PCB
PCB Layout Guidelines
- Fine Pitch Layout: 0.5mm pin pitch requires careful PCB design
- Thermal Management: Adequate copper pour for heat dissipation
- Signal Integrity: Proper trace impedance control
- Ground Plane: Solid ground plane for noise reduction
- JTAG Chain: Easy access to programming interface
Programming Considerations
- Use Xilinx ISE or compatible software
- Follow JTAG programming specifications
- Verify configuration after programming
- Implement configuration readback for validation
- Consider write-protection features
Why Choose XC2C128-7VQG100C?
Proven Technology
With thousands of successful deployments worldwide, the XC2C128-7VQG100C represents battle-tested CPLD technology from Xilinx, now AMD.
Cost-Effective Solution
The device offers an excellent balance of features and affordability:
- Competitive pricing for 128-macrocell capacity
- Lower power consumption reduces operational costs
- Long-term availability through distribution channels
- Reduced development time with familiar tools
Flexible Integration
- Compatible with various voltage levels (1.5V to 3.3V)
- Multiple I/O standards support
- Easy integration into existing designs
- Backward compatibility with earlier CoolRunner devices
Technical Support
Access comprehensive resources:
- Detailed datasheets and application notes
- Reference designs and example projects
- Active user communities and forums
- Technical support from distributors
Frequently Asked Questions
What is the difference between CPLD and FPGA?
CPLDs like the XC2C128-7VQG100C offer non-volatile configuration, lower power consumption, and deterministic timing. FPGAs provide higher gate counts and more complex features. For mid-range logic applications requiring instant-on capability and low power, CPLDs are ideal.
Can the XC2C128-7VQG100C be programmed multiple times?
Yes, the device features Flash-based configuration memory with unlimited reprogramming cycles, making it perfect for prototyping and field updates.
What development tools are needed?
You’ll need Xilinx ISE Design Suite (or compatible tools) for design entry, synthesis, and implementation, plus a JTAG programmer for device configuration.
Is the XC2C128-7VQG100C RoHS compliant?
Yes, the device meets RoHS (Restriction of Hazardous Substances) requirements and is lead-free.
What is the typical lead time for ordering?
Lead times vary by distributor and quantity. Many suppliers maintain stock for immediate shipment, while larger orders may require 2-4 weeks.
Summary
The XC2C128-7VQG100C stands out as a versatile, high-performance CPLD solution for engineers and designers seeking reliable programmable logic. With its combination of 128 macrocells, ultra-low power consumption, multi-voltage I/O support, and industry-standard VQFP-100 package, this CoolRunner-II device delivers exceptional value across industrial, telecommunications, automotive, and consumer applications.
Whether you’re implementing complex control logic, protocol conversion, or signal processing functions, the XC2C128-7VQG100C provides the flexibility, performance, and reliability your project demands. Its proven architecture, comprehensive development tool support, and widespread availability make it an excellent choice for both new designs and legacy system support.
Ready to integrate the XC2C128-7VQG100C into your next project? Contact your preferred distributor today for pricing, availability, and technical support.
Related Products and Resources
Explore other components in the Xilinx CoolRunner-II family:
- XC2C64A-7VQG44C (64 macrocells, 44-pin)
- XC2C256-7VQG100C (256 macrocells, 100-pin)
- XC2C384-10FTG256C (384 macrocells, 256-pin BGA)
For comprehensive information on Xilinx programmable logic solutions, visit our Xilinx FPGA resource center.
