The XC2C64A-7QFG48I is a high-performance Complex Programmable Logic Device (CPLD) from the AMD/Xilinx CoolRunner-II family. This industrial-grade CPLD offers exceptional low-power operation combined with fast clock speeds, making it an ideal solution for portable electronics, telecommunications equipment, and embedded system designs. As part of the trusted Xilinx FPGA product lineup, the XC2C64A-7QFG48I delivers reliable programmable logic for engineers worldwide.
Key Features of XC2C64A-7QFG48I CPLD
The XC2C64A-7QFG48I stands out in the programmable logic market due to its unique combination of features. First, the ultra-low power consumption makes it perfect for battery-powered applications. Additionally, the device supports In-System Programming (ISP), which simplifies field updates and prototyping workflows.
Why Choose the XC2C64A-7QFG48I?
- Zero standby power when not in operation
- Fast 6.7ns propagation delay for high-speed designs
- 64 macrocells providing ample logic resources
- Industrial temperature range (-40°C to +100°C)
- IEEE 1149.1/1532 JTAG boundary scan support
- Multiple I/O voltage compatibility (1.5V, 1.8V, 2.5V, 3.3V)
XC2C64A-7QFG48I Technical Specifications
Understanding the complete specifications helps engineers make informed decisions. Below are the detailed technical parameters for the XC2C64A-7QFG48I CPLD.
General Specifications Table
| Parameter |
Value |
| Manufacturer |
AMD / Xilinx |
| Product Family |
CoolRunner-II |
| Part Number |
XC2C64A-7QFG48I |
| Device Type |
CPLD (Complex Programmable Logic Device) |
| Number of Macrocells |
64 |
| Number of Gates |
1,500 (1.5K) |
| Number of I/O Pins |
37 |
| Maximum Frequency |
159 MHz |
| Propagation Delay (tPD) |
6.7 ns |
| Process Technology |
0.18µm CMOS |
Electrical Specifications Table
| Parameter |
Min |
Typical |
Max |
Unit |
| Core Voltage (VCCINT) |
1.7 |
1.8 |
1.9 |
V |
| I/O Voltage (VCCIO) |
1.4 |
– |
3.6 |
V |
| Standby Current |
– |
0.1 |
– |
µA |
| Operating Temperature |
-40 |
– |
+100 |
°C |
Package Information Table
| Parameter |
Specification |
| Package Type |
QFN-48 (Quad Flat No Lead) |
| Package Code |
QFG48 |
| Pin Count |
48 pins |
| Pin Pitch |
0.5 mm |
| Package Dimensions |
7mm x 7mm |
| Exposed Pad |
Yes |
| Mounting Type |
Surface Mount |
| Lead-Free Status |
Pb-Free (RoHS Compliant) |
XC2C64A-7QFG48I Pin Configuration Overview
The XC2C64A-7QFG48I features a well-organized pinout that maximizes I/O efficiency. Furthermore, the device includes dedicated pins for power, ground, and programming interfaces.
Pin Function Categories
| Pin Type |
Quantity |
Description |
| User I/O |
37 |
General purpose input/output |
| VCCINT |
2 |
Core power supply |
| VCCIO |
2 |
I/O power supply |
| VCCAUX |
1 |
Auxiliary power supply |
| GND |
4 |
Ground connections |
| GCK |
3 |
Global clock inputs |
| GSR |
1 |
Global set/reset |
| GTS |
2 |
Global tri-state |
CoolRunner-II Architecture Features
The CoolRunner-II architecture provides significant advantages over competing CPLD families. Moreover, the Advanced Interconnect Matrix (AIM) enables efficient signal routing with minimal power consumption.
Function Block Architecture
Each XC2C64A-7QFG48I device contains 4 Function Blocks interconnected by the AIM. Each Function Block includes:
- 16 macrocells with configurable flip-flops
- 40 x 56 Product Term PLA for combinational logic
- Multiple clock sources including global and product term clocks
- Programmable output slew rate control
I/O Standard Compatibility Table
| I/O Standard |
Supported |
Voltage Level |
| LVCMOS33 |
Yes |
3.3V |
| LVCMOS25 |
Yes |
2.5V |
| LVCMOS18 |
Yes |
1.8V |
| LVCMOS15 |
Yes |
1.5V (Schmitt trigger) |
| LVTTL |
Yes |
3.3V |
| SSTL2-I |
Yes |
2.5V |
| SSTL3-I |
Yes |
3.3V |
| HSTL-I |
Yes |
1.5V |
Applications for XC2C64A-7QFG48I CPLD
The versatility of the XC2C64A-7QFG48I makes it suitable for numerous applications. Consequently, engineers across multiple industries rely on this device for their programmable logic needs.
Primary Application Areas
- Consumer Electronics – Power management, interface bridging, LED control
- Industrial Automation – Sensor interfaces, motor control logic, PLC interfaces
- Telecommunications – Protocol conversion, signal routing, clock management
- Medical Devices – Portable monitoring equipment, diagnostic interfaces
- Automotive Systems – Body electronics, lighting control, dashboard displays
- IoT Devices – Edge computing, sensor hubs, wireless module interfaces
Design Considerations
When implementing the XC2C64A-7QFG48I in your design, consider these important factors:
| Design Aspect |
Recommendation |
| Decoupling Capacitors |
100nF ceramic on each VCC pin |
| ESD Protection |
Built-in protection on all I/O |
| Power Sequencing |
VCCINT before or with VCCIO |
| Programming Interface |
JTAG (4-wire) recommended |
| PCB Layer Stack |
4-layer minimum for optimal signal integrity |
XC2C64A-7QFG48I vs. Alternative CPLDs
Selecting the right CPLD requires comparing alternatives. The table below highlights key differences between similar devices.
Comparison with Similar Devices
| Feature |
XC2C64A-7QFG48I |
XC2C64A-7VQG100C |
XC9572XL |
| Macrocells |
64 |
64 |
72 |
| I/O Pins |
37 |
64 |
72 |
| Package |
QFN-48 |
VQFP-100 |
VQFP-100 |
| Core Voltage |
1.8V |
1.8V |
3.3V |
| Speed Grade |
-7 |
-7 |
-10 |
| Standby Power |
Ultra-low |
Ultra-low |
Low |
Programming and Development Tools
AMD/Xilinx provides comprehensive development tools for the XC2C64A-7QFG48I. The ISE Design Suite (legacy) and Vivado Design Suite support this device family.
Recommended Development Flow
- Design Entry – Verilog HDL or VHDL coding
- Synthesis – XST or third-party synthesis tools
- Implementation – Fitting and routing optimization
- Simulation – Functional and timing verification
- Programming – JTAG cable with iMPACT software
Ordering Information
The XC2C64A-7QFG48I follows standard AMD/Xilinx naming conventions. Understanding the part number helps ensure correct ordering.
Part Number Breakdown
| Code |
Meaning |
| XC2C |
CoolRunner-II family prefix |
| 64A |
64 macrocell variant, revision A |
| -7 |
Speed grade (fastest available) |
| QFG |
QFN package with exposed pad |
| 48 |
48-pin package |
| I |
Industrial temperature (-40°C to +100°C) |
Related Products and Resources
For comprehensive FPGA and CPLD solutions, explore additional resources available through the Xilinx FPGA product category. Whether you need larger gate counts, more I/O pins, or different package options, the CoolRunner-II family offers multiple configurations to meet your requirements.
Additional XC2C64A Variants
| Part Number |
Package |
Pins |
Temperature |
| XC2C64A-7QFG48C |
QFN |
48 |
Commercial |
| XC2C64A-7VQG100I |
VQFP |
100 |
Industrial |
| XC2C64A-7VQG100C |
VQFP |
100 |
Commercial |
| XC2C64A-7CP56I |
CSP |
56 |
Industrial |
Summary
The XC2C64A-7QFG48I represents an excellent choice for designers requiring low-power, high-performance programmable logic in a compact package. Its combination of 64 macrocells, 159 MHz operation, and industrial temperature rating makes it suitable for demanding applications. The CoolRunner-II architecture ensures minimal power consumption while maintaining the flexibility engineers expect from AMD/Xilinx products.
For more information about FPGA and CPLD solutions, visit our Xilinx FPGA resource center.
