Introduction
The Xilinx XC2C64A-7VQG44C is a low-cost CPLD (Complex Programmable Logic Device) that provides 64 macrocells of in-system programmable logic. Released in 2005, this CoolRunner-II device combines abundant functionality, flexible I/O, and high reliability in a compact form factor ideal for space-constrained designs.
Some key highlights of the XC2C64A CPLD include:
- In-system programmable logic with 64 macrocells
- 1.8V VCCINT nominal core voltage
- Advanced clock management with DLL, DCM, PLL
- SelectIO technology for multi-voltage I/O
- 5V tolerant selectable I/O standards
- Low static and dynamic power consumption
- Dense 44-pin VQG package
- Enhanced security features
In this overview, we will explore the XC2C64A architecture, design tools, applications and benefits to better understand this capable cost-optimized CPLD.
XC2C64A Architecture
The XC2C64A architecture provides flexible logic resources interconnected via an abundance of routing:
Logic Array Blocks
The programmable logic consists of 4 Logic Array Blocks (LABs), each providing:
- 16 macrocells for logic implementation
- Product term allocation for optimal utilization
- Local interconnect configuration
With 4 LABs, the XC2C64A provides 64 macrocells of logic capacity.
I/O Blocks
Integrated I/O blocks deliver:
- Up to 44 high-speed user I/O pins
- Support for common I/O standards
- Multi-voltage operation from 1.5V to 3.3V
- 5V tolerant inputs
- Digitally controlled impedance
Flexible I/O enables interfacing to a wide range of components.
Clock Management
Advanced clock management circuitry includes:
- Digital Clock Managers (DCM) for clock synthesis, deskew, etc.
- Delay Locked Loops (DLL) for I/O timing alignment
- Low jitter Phase Locked Loop (PLL)
Robust clock management allows timing closure at high clock frequencies.
XC2C64A Features
Key features of the Xilinx XC2C64A-7VQG44C CPLD include:
Programmable Logic
- 64 macrocells in 4 Logic Array Blocks
- Product term sharing across macrocells
- Local LAB interconnect
Clocking
- 2 Digital Clock Managers
- Delay Locked Loops
- Phase Locked Loop
I/O
- Up to 44 user I/O pins
- Multi-voltage support 1.5V to 3.3V
- SelectIO technology for I/O standards
Static Power
- 1.8V VCCINT nominal voltage
- 15mA typical ICCINT quiescent
Reliability
- Configuration memory ECC
- SEU mitigation techniques
Security
- AES bitstream encryption
Packages
- 7mm x 7mm footprint
- 44-pin VQG44 package
- 0.5mm ball pitch
XC2C64A Design Tools
Xilinx provides a full-featured tool suite for CPLD development:
ISE Design Suite
- VHDL and Verilog design entry
- XST synthesizer for logic synthesis
- ISim simulator
- Xilinx Platform Studio for MicroBlaze soft-core processors
CoolRunner-II CPLD Designer
- Windows IDE for design creation
- Drag and drop macrocell wiring
- Automatic resource allocation
- Timing driven fitter
Alliance Design Flow
- Low cost VHDL and Verilog design suite
- Simulation, synthesis, place and route
Robust tools help maximize design productivity.
XC2C64A Applications
The combination of flexible logic, abundant I/O, and small form factor make the XC2C64A a good fit for:
- Automotive body and engine controllers
- Industrial motor drives, robotics, instrumentation
- Consumer electronics
- Communications interfaces and protocols
- General logic integration and glue logic
For cost-sensitive applications, the XC2C64A provides excellent programmable logic capability.
Comparison to XC9500 CPLD
Compared to the older XC9500 series CPLD:
- XC2C64A uses 1.8V vs 3.3V for XC9500
- XC2C64A reduces static power by 70%
- 2x the macrocells per package (64 vs 32)
- 5x faster maximum pin-to-pin delays
- Advanced clock management block
- Higher maximum I/O speeds
The XC2C64A provided a major boost in CPLD performance and cost-efficiency.
Conclusion
The Xilinx XC2C64A-7VQG44C packs 64 macrocells of CoolRunner-II programmable logic into a compact 7mm x 7mm footprint. With abundant routing, flexible multi-voltage I/O, and advanced clock management, the XC2C64A enables building capable yet cost-optimized systems. Reliability and security features allow deployment in critical applications. For cost-effective glue logic, interfaces, and control functions the XC2C64A CPLD provides outstanding value.
XC2C64A FPGA FAQ
Here are some common questions about the Xilinx XC2C64A CPLD:
What design tools can be used to program the XC2C64A?
The primary tools are Xilinx ISE Design Suite and CoolRunner-II CPLD Designer. Both support schematic capture or HDL languages.
What are the main clock rates supported by the XC2C64A?
It can support system clocks up to 350 MHz. The maximum I/O pin-to-pin clock rate is 260 MHz.
What core voltage does the XC2C64A operate at?
The core logic operates at 1.8V nominal VCCINT. Periphery I/O supports 1.5V, 2.5V, or 3.3V signaling standards.
How much static current does the XC2C64A use?
Typical quiescent ICCINT current is 15mA. Maximum ICCINT is 100mA.
How does the XC2C64A compare to the lower density XC2C32A?
The XC2C64A provides twice the macrocells (64 vs 32) and more features including PLL, DCM blocks, and reliability enhancements.
Technical Attributes of XC2C64A-7VQG44C
| Technical Specifications | Descriptions |
| Package/Case | 44-TQFP |
| Type of Programming | In-system programmability |
| Number of Gate Arrays | 1,500 |
| Maximum Time Delay | 6.7ns |
| Mounting Technology | Surface Mount Technology (SMT) |
| Internal Voltage Supply (maximum) | 1.7 V ~ 1.9 V |
| Operating Temperature | 0˚C ~ 70˚C |
| Number of Macrocells | 64 |
| Number of Logic Blocks/Elements | 4 |
| Number of Input & Output (I/O) | 33 |
Features of the XC2C64A-7VQG44C FPGA
XC2C64A-7VQG44C has a wide range of features that make it one of the best Field Programmable Gate Arrays (FPGAs) to use for your electrical-related designs. Here are some of these features:
1. Embedded Design
The embedded design of the XC2C64A-7VQG44C simplifies the process of lifting the FPGA and mounting it on the surface of the circuit board.
Also, it is used on Complex Programmable Logic Devices (CPLDs). Hence, it is ideal for use in electronic and electrical devices that attract complex design specifications.
2. Excellent IEEE Standard
The IEEE Standard for the XC2C64A-7VQG44C uses the 1149.1/1532 Boundary-Scan (JTAG) support. This is the primary standard for making the FPGA compatible with a wide range of circuit board designs, ranging from programming, prototyping, and testing of the board.
3. Application Fields
Here are some of the fields where electronic devices manufactured with the XC2C64A-7VQG44C FPGA can be used:
- Internet of Things (IoT)
- Artificial Intelligence (A.I.)
- Wireless Technology
- 5G Technology
- Medical Equipment
- Consumer Electronics
- Industrial Control
- Cloud Computing
4. Erase Cycles
When programming a Field Programmable Gate Array (FPGA), the chances are that mistakes may be made. In such cases, erasing the previous designs may be a better way to prevent the error from spreading to the other designs.
Therefore, the length of the erase cycle is very important. The XC2C64A-7VQG44CFPGA has one of the largest cycles, amounting to over 20,000 erase cycle endurance.
5. Industrial Temperature Grade
The XC2C64A-7VQG44C FPGA also operates on a full-industrial grade and ideally so because of the designation for industrial uses.
The temperature range is between -40˚C to + 85˚C.
What to Consider when Buying the XC2C64A-7VQG44C FPGA
Here are some of the key factors to consider before paying for the XC2C64A-7VQG44C FPGA:
1. MOQ
MOQ stands for Minimum Order Quantity. It refers to the minimum number of XC2C64A-7VQG44C FPGAs that the supplier would be willing to consider before processing your order.
2. Price
The price of the cost of purchasing the FPGA is often related to the number of pieces you are buying and the supplier’s price factor.
If you are looking for the best price, consider buying in bulk so you can get a discount.
3. Lead Time
This has to do with the designer or engineer manufacturing the board after purchase. At RayPCB, we give a realistic lead time and do our best to ensure that your board is ready within that time.
Conclusion
XC2C64A-7VQG44C makes in-system programming of Field Programmable Gate Arrays (FPGA) simpler while providing multiple frameworks for designing complex boards. Contact RayPCB today to help you design your XC2C64A-7VQG44C.
