The XC2C64A-7CPG56I is a cutting-edge Complex Programmable Logic Device (CPLD) from AMD/Xilinx’s renowned CoolRunner-II family. This industrial-grade programmable logic solution combines ultra-low power consumption with exceptional performance, making it the ideal choice for battery-powered devices, portable electronics, and high-reliability embedded systems. As part of the Xilinx FPGA and CPLD portfolio, the XC2C64A-7CPG56I delivers flexible, field-programmable digital logic capabilities in a compact 56-pin CSBGA package.
Designed specifically for engineers seeking power-efficient programmable logic, the XC2C64A-7CPG56I operates at just 1.8V core voltage while supporting multiple I/O standards. This CPLD features 64 macrocells and 1,500 usable gates, providing sufficient logic resources for control applications, state machines, glue logic, and interface bridging in modern electronic designs.
Key Technical Specifications
Core Performance Parameters
| Specification |
Value |
| Part Number |
XC2C64A-7CPG56I |
| Manufacturer |
AMD/Xilinx |
| Product Family |
CoolRunner-II CPLD |
| Macrocells |
64 |
| Usable Gates |
1,500 (1.5K) |
| Maximum Frequency |
159 MHz |
| Core Voltage |
1.8V |
| Technology Node |
0.18µm CMOS |
| Package Type |
56-Pin CSBGA (Chip Scale BGA) |
| Package Code |
CPG56 |
| Speed Grade |
-7 (7ns tpd) |
| Operating Temperature |
Industrial (-40°C to +85°C) |
| Programming Interface |
JTAG (IEEE 1149.1/1532) |
| Lead-Free |
Yes (RoHS Compliant) |
Package Dimensions
| Parameter |
Specification |
| Package Size |
6mm × 6mm |
| Ball Pitch |
0.5mm |
| Pin Count |
56 pins |
| User I/O Pins |
Up to 45 |
| Package Height |
<1.0mm (ultra-thin) |
| Mounting Type |
Surface Mount |
| Weight |
<0.1g |
Advanced Features and Benefits
Ultra-Low Power Architecture
The XC2C64A-7CPG56I CPLD employs CoolRunner-II’s revolutionary power management technology, delivering industry-leading power efficiency:
- Static Power Consumption: As low as 10µA in standby mode
- Dynamic Power: 0.1mA/MHz typical operation
- Instant-On Capability: <200ns wakeup time from sleep mode
- No External Configuration Memory Required: Single-chip solution reduces BOM cost
- Optimal for Battery Applications: Extends battery life in portable devices by up to 90%
High-Speed Operation
Despite its low power consumption, the XC2C64A-7CPG56I doesn’t compromise on performance:
- Maximum operating frequency of 159 MHz
- Propagation delay (tpd) of just 7 nanoseconds
- Fast clock-to-output time enabling real-time response
- Supports high-speed serial interfaces and communication protocols
- Advanced routing architecture minimizes signal delays
Flexible I/O Capabilities
The XC2C64A-7CPG56I supports multiple I/O voltage standards, ensuring compatibility with a wide range of system architectures:
| I/O Standard |
Voltage Level |
| LVCMOS33 |
3.3V |
| LVCMOS25 |
2.5V |
| LVCMOS18 |
1.8V |
| LVCMOS15 |
1.5V |
| LVTTL |
5V Tolerant |
| PCI33_3 |
PCI Compatible |
Each I/O pin features:
- Schmitt-trigger inputs for improved noise immunity
- Programmable pull-up/pull-down resistors
- Individual slew rate control
- Bus-hold circuitry option
- Hot-socketing support
Architecture and Internal Design
Function Block Structure
The XC2C64A-7CPG56I internal architecture consists of eight Function Blocks (FBs) interconnected through an Advanced Interconnect Matrix (AIM):
| Component |
Details |
| Function Blocks |
8 blocks × 8 macrocells each |
| Total Macrocells |
64 macrocells |
| PLA Structure |
40 × 56 product terms per FB |
| AIM Inputs |
40 true + 40 complement per FB |
| Global Clocks |
3 dedicated global clock networks |
| Output Enable Terms |
4 per Function Block |
Macrocell Features
Each of the 64 macrocells in the XC2C64A-7CPG56I can be independently configured for:
- Combinatorial or registered operation
- D-type, T-type, or JK flip-flop functionality
- Asynchronous reset and preset
- Clock enable control
- Configurable feedback paths
- Direct or product term input selection
Application Areas
Industrial Control Systems
The XC2C64A-7CPG56I excels in industrial automation applications:
- PLC (Programmable Logic Controller) I/O expansion modules
- Motor control logic and state machines
- Sensor interface controllers
- Industrial protocol converters (Modbus, Profibus, EtherCAT)
- Safety interlock circuits
- Manufacturing equipment control
Communication Equipment
Ideal for telecommunications and networking infrastructure:
- Protocol bridging and translation
- UART, SPI, I2C controller implementation
- Data multiplexing and demultiplexing
- Clock generation and distribution
- Signal conditioning and level shifting
- Interface glue logic for network processors
Portable and Battery-Powered Devices
Perfect for power-sensitive applications:
- Medical monitoring devices
- Handheld instrumentation
- IoT edge devices and sensors
- Wearable electronics
- GPS tracking systems
- Wireless communication modules
Automotive Electronics
Suitable for automotive-grade applications:
- Body control modules
- Dashboard controllers
- Infotainment system interfaces
- CAN bus controllers
- LED lighting control
- Sensor fusion circuits
Programming and Development
Design Tools Compatibility
The XC2C64A-7CPG56I is fully supported by industry-standard development tools:
| Tool |
Function |
| Xilinx ISE Design Suite |
Complete design entry, synthesis, and implementation |
| Vivado Design Suite |
Modern design environment with advanced features |
| ABEL/VHDL/Verilog |
Multiple HDL input options |
| Schematic Entry |
Visual design capture |
| Xilinx iMPACT |
Device programming and boundary scan |
| ChipScope |
In-system debugging and analysis |
Programming Methods
Multiple programming options ensure design flexibility:
- JTAG Programming: Industry-standard boundary scan interface
- In-System Programming (ISP): Update logic without board removal
- Third-Party Programmers: Compatible with major programmer vendors
- Production Programming: High-volume ATE support
Configuration Time
- Programming time: <1 second for full device
- Instant-on operation: No boot sequence required
- Non-volatile Flash technology: Unlimited reconfiguration cycles
- Configuration retention: >20 years at room temperature
Quality and Reliability
Manufacturing Standards
The XC2C64A-7CPG56I meets stringent quality requirements:
| Standard |
Compliance |
| RoHS |
Lead-free, fully compliant |
| REACH |
EU chemical regulation compliant |
| Moisture Sensitivity |
MSL 3 rating |
| ESD Protection |
>2000V HBM |
| Latch-up Immunity |
>100mA |
| MTBF |
>1 million hours |
Temperature Performance
The Industrial temperature grade (-40°C to +85°C) ensures reliable operation across extreme environmental conditions:
- Automotive under-hood applications
- Outdoor telecommunications equipment
- Industrial machinery in harsh environments
- Military and aerospace systems
- Arctic and desert deployments
Comparison with Related Products
XC2C64A Family Variants
| Part Number |
Package |
I/O Count |
Operating Temp |
Application Focus |
| XC2C64A-7CPG56I |
56-CSBGA |
45 |
Industrial |
Space-constrained industrial |
| XC2C64A-7VQG44I |
44-VQFP |
33 |
Industrial |
Standard industrial |
| XC2C64A-7VQG100I |
100-VQFP |
64 |
Industrial |
Maximum I/O count |
| XC2C64A-7CPG56C |
56-CSBGA |
45 |
Commercial |
Cost-sensitive applications |
Why Choose XC2C64A-7CPG56I?
- Smallest Footprint: 6mm × 6mm CSBGA package saves PCB space
- Industrial Temperature Range: -40°C to +85°C operation
- Optimal I/O Count: 45 user I/Os balance functionality and package size
- Mid-Range Speed Grade: -7 speed grade offers best power/performance ratio
- Wide Availability: Excellent distributor stock and lead times
Design Considerations
PCB Layout Guidelines
When designing with the XC2C64A-7CPG56I:
- Ball Grid Array Routing: Requires 4-layer minimum PCB for optimal signal integrity
- Power Distribution: Dedicated power and ground planes recommended
- Decoupling: Place 0.1µF and 10µF capacitors close to VCCINT pins
- Thermal Management: CSBGA package provides excellent thermal performance
- Via-in-Pad: May be required for inner ball connections
Power Supply Requirements
| Power Rail |
Voltage |
Typical Current |
Recommended Decoupling |
| VCCINT |
1.8V ±5% |
50mA @ 50MHz |
0.1µF + 10µF tantalum |
| VCCIO |
1.5V-3.3V |
Varies by I/O |
0.1µF per bank |
Ordering Information
Part Number Breakdown
XC2C64A-7CPG56I
- XC2C64A: CoolRunner-II family, 64 macrocells
- -7: Speed grade (7ns tpd)
- CPG56: Chip Scale BGA, 56 pins
- I: Industrial temperature range
Package Marking
The XC2C64A-7CPG56I top marking includes:
- Device part number
- Speed grade and temperature range
- Date code (YYWW format)
- Country of origin
- Lot traceability code
Technical Support and Resources
Documentation
Comprehensive technical documentation available:
- Complete datasheet with AC/DC specifications
- CoolRunner-II architecture white papers
- Application notes for common designs
- PCB layout design guidelines
- Power estimation spreadsheets
- Migration guides from legacy CPLDs
Design Examples
Reference designs accelerate development:
- UART implementation
- SPI/I2C controller
- LED matrix driver
- State machine templates
- Interface bridge designs
- Clock divider circuits
Conclusion
The XC2C64A-7CPG56I represents the perfect balance of low power consumption, high performance, and compact size for industrial embedded systems. Its 64 macrocells provide sufficient logic resources for complex control applications, while the ultra-low power CoolRunner-II architecture extends battery life in portable devices. The industrial temperature range and robust 56-pin CSBGA package ensure reliable operation in demanding environments.
Whether you’re designing communication equipment, industrial controllers, or battery-powered IoT devices, the XC2C64A-7CPG56I delivers the programmable logic capabilities you need with industry-leading power efficiency. Its instant-on architecture, flexible I/O standards, and comprehensive development tool support make it an excellent choice for both prototype and production applications.
Ready to Get Started?
The XC2C64A-7CPG56I is available from authorized distributors worldwide with competitive pricing and short lead times. Contact your local distributor or visit the manufacturer’s website to request samples, access design tools, and explore the complete range of CoolRunner-II CPLD solutions for your next project.
