The XC2C64A-7VQG100I is a high-performance Complex Programmable Logic Device (CPLD) from AMD Xilinx’s renowned CoolRunner-II family. This industrial-grade programmable logic component delivers exceptional reliability and ultra-low power consumption, making it the ideal solution for embedded systems, industrial automation, and mission-critical applications. With 64 macrocells and 1,500 usable gates, the XC2C64A-7VQG100I provides designers with robust programmable logic capabilities in a compact, lead-free VQFP-100 package.
Key Features and Technical Specifications
Core Architecture and Performance
The XC2C64A-7VQG100I CPLD features advanced architecture designed for optimal performance:
| Feature |
Specification |
| Macrocells |
64 macrocells with programmable architecture |
| Usable Gates |
1,500 gates for complex logic implementation |
| Registers |
64 registers with individual clock enable |
| Speed Grade |
-7 (high-performance) |
| Pin-to-Pin Delay |
As low as 4.5ns |
| Maximum Frequency |
159 MHz |
| Technology Node |
0.18μm CMOS process |
Electrical Characteristics
| Parameter |
Value |
| Core Voltage |
1.8V |
| I/O Voltage Compatibility |
3.3V (JEDEC standard compatible) |
| Standby Current |
13μA (typical) / 16μA (max) |
| Dynamic Power |
28.8μW (ultra-low) |
| Operating Temperature |
-40°C to +85°C (Industrial range) |
Package and Pin Configuration
| Package Detail |
Specification |
| Package Type |
VQFP-100 (Very thin Quad Flat Pack) |
| Lead Configuration |
100-pin quad flat pack |
| Lead-Free Status |
RoHS compliant (denoted by “G” in part number) |
| Available User I/O |
33 pins |
| Mounting Type |
Surface Mount Technology (SMT) |
Why Choose XC2C64A-7VQG100I for Your Design?
Ultra-Low Power Consumption
The XC2C64A-7VQG100I utilizes Xilinx’s proprietary FastCONNECT II and CoolCLOCK technologies, achieving industry-leading power efficiency. With standby current as low as 13μA and dynamic power consumption of only 28.8μW, this CPLD is perfect for battery-powered and energy-conscious applications.
Instant-On, Non-Volatile Technology
Unlike FPGAs that require configuration on power-up, the XC2C64A-7VQG100I features non-volatile configuration storage. This instant-on capability ensures:
- Zero configuration time at power-up
- Enhanced system reliability
- Reduced boot time for embedded systems
- Secure configuration retention without external memory
Industrial-Grade Reliability
Designed for harsh environments, this industrial-grade CPLD operates reliably across the extended temperature range of -40°C to +85°C, making it suitable for:
- Industrial automation and control systems
- Transportation equipment and automotive applications
- Military and aerospace systems
- Medical devices and instrumentation
- Telecommunications infrastructure
Advanced I/O Capabilities with DataGATE Technology
The XC2C64A-7VQG100I features DataGATE technology and advanced I/O capabilities:
- Support for multiple JEDEC I/O standards
- 1.5V I/O compatibility with Schmitt-trigger inputs
- Individual I/O configuration flexibility
- Mixed-voltage interface support
Application Areas for XC2C64A-7VQG100I
Industrial Control Systems
The XC2C64A-7VQG100I excels in industrial control applications where reliability and low power are paramount. Common uses include:
- PLC (Programmable Logic Controller) interfaces
- Motor control and drive systems
- Sensor signal conditioning and processing
- Industrial communication protocol converters
Embedded Systems Design
For embedded system designers, the XC2C64A-7VQG100I offers:
- Glue logic replacement with programmable flexibility
- Custom peripheral interfaces
- State machine implementation
- Bus interface bridging
Communication Systems
Ideal for communication applications requiring:
- Protocol conversion and bridging
- Data encoding/decoding
- Communication interface controllers
- Clock generation and distribution
Programming and Development Support
Design Tools Compatibility
The XC2C64A-7VQG100I is fully supported by industry-standard development tools:
- Xilinx ISE Design Suite: Complete design environment for CPLD development
- Xilinx Vivado Design Suite: Advanced synthesis and implementation
- IEEE 1149.1/1532 JTAG Support: For programming, prototyping, and testing
- In-System Programming (ISP): Field-programmable capability
Development Resources
Designers working with the XC2C64A-7VQG100I have access to comprehensive resources:
- Complete datasheets with detailed electrical specifications
- Application notes for optimal implementation
- Reference designs and example projects
- Technical support and design consultation
For designers looking to integrate programmable logic solutions, exploring Xilinx FPGA options alongside CPLD technology can provide comprehensive solutions for complex system requirements.
XC2C64A-7VQG100I Part Number Breakdown
Understanding the part number nomenclature:
| Code |
Meaning |
| XC2C |
CoolRunner-II CPLD family identifier |
| 64A |
64 macrocells, “A” revision |
| -7 |
Speed grade (fastest commercial grade) |
| VQ |
VQFP package type |
| G |
Lead-free (RoHS compliant) package |
| 100 |
100-pin package |
| I |
Industrial temperature range (-40°C to +85°C) |
Comparison with Alternative Solutions
XC2C64A-7VQG100I vs. Standard Logic ICs
| Advantage |
Benefit |
| Field Programmability |
Modify logic without hardware changes |
| Integration |
Replace multiple discrete logic chips |
| Flexibility |
Adapt to changing requirements |
| Cost Efficiency |
Reduce BOM count and board space |
XC2C64A-7VQG100I vs. FPGA Solutions
| Feature |
CPLD Advantage |
| Power Consumption |
Significantly lower standby power |
| Instant-On |
No configuration delay at power-up |
| Non-Volatile |
Configuration retained without external memory |
| Deterministic Timing |
Predictable routing and timing |
| Cost |
Lower unit cost for small to medium logic designs |
Design Considerations and Best Practices
Power Supply Design
When implementing the XC2C64A-7VQG100I in your design:
- Provide stable 1.8V core voltage with adequate current capability
- Use separate power planes for core and I/O supplies
- Implement proper decoupling capacitors (0.1μF and 10μF recommended)
- Consider power sequencing if using multiple voltage domains
Thermal Management
Despite ultra-low power consumption, proper thermal design ensures reliability:
- Maximum junction temperature: 125°C
- Thermal resistance: θJA varies with package and PCB design
- Ensure adequate airflow for enclosed applications
- Consider thermal vias for improved heat dissipation
PCB Layout Guidelines
Optimize your PCB design for the XC2C64A-7VQG100I:
- Follow standard SMT layout practices for VQFP packages
- Route high-speed signals with controlled impedance
- Maintain proper ground plane coverage
- Place decoupling capacitors close to power pins
- Use via-in-pad technique for improved electrical performance (optional)
Ordering Information and Availability
Package Marking and Traceability
Each XC2C64A-7VQG100I device includes:
- Complete part number marking
- Manufacturing date code
- Lot traceability information
- Country of origin marking
Quality and Compliance
The XC2C64A-7VQG100I meets stringent quality standards:
- RoHS compliant (lead-free manufacturing)
- MSL (Moisture Sensitivity Level) classification
- Industry-standard reliability testing
- ESD protection on all pins
Frequently Asked Questions
What is the difference between CPLD and FPGA?
CPLDs like the XC2C64A-7VQG100I offer non-volatile configuration, instant-on capability, and lower standby power, making them ideal for glue logic, control applications, and power-sensitive designs. FPGAs provide higher gate counts and more complex architectures for large-scale digital designs.
Can the XC2C64A-7VQG100I operate at 5V I/O voltage?
While the device features 3.3V I/O compatibility, it can interface with 5V systems using appropriate level-shifting circuits or voltage tolerant I/O configurations. Consult the datasheet for specific I/O capabilities.
What programming interface does the XC2C64A-7VQG100I use?
The device supports JTAG (IEEE 1149.1/1532) programming interface, enabling in-system programming and boundary-scan testing. Compatible Xilinx programming cables include Platform Cable USB and other third-party JTAG programmers.
Is the XC2C64A-7VQG100I suitable for automotive applications?
The industrial temperature range (-40°C to +85°C) makes it suitable for many automotive applications. However, for automotive-specific certification requirements (AEC-Q100), consult with AMD Xilinx for automotive-grade variants.
What is the typical configuration time?
As a non-volatile CPLD, the XC2C64A-7VQG100I features instant-on capability with zero configuration time at power-up. This contrasts with SRAM-based FPGAs that require milliseconds to seconds for configuration loading.
Technical Support and Resources
Documentation Available
- Complete datasheet with AC/DC specifications
- CoolRunner-II CPLD family user guide
- IEEE 1149.1/1532 BSDL files
- Application notes and design guides
Design Tools and Software
- Free ISE WebPACK for CPLD design
- VHDL and Verilog HDL support
- Comprehensive simulation libraries
- Timing analysis tools
Conclusion: Why XC2C64A-7VQG100I is the Right Choice
The XC2C64A-7VQG100I represents an excellent balance of performance, power efficiency, and reliability for industrial embedded systems. With its ultra-low power consumption, instant-on non-volatile architecture, and robust industrial temperature range, this CoolRunner-II CPLD provides designers with a proven solution for mission-critical applications.
Whether you’re designing industrial control systems, embedded communication interfaces, or portable instrumentation, the XC2C64A-7VQG100I delivers the programmable logic capabilities you need with the reliability your application demands. Its comprehensive development tool support, extensive documentation, and proven track record make it an ideal choice for both new designs and legacy system upgrades.
For engineers seeking high-performance programmable logic with minimal power consumption, the XC2C64A-7VQG100I stands out as a versatile, cost-effective solution that meets the demanding requirements of modern industrial and embedded applications.
