The XC2C128-6TQG144C is a powerful Complex Programmable Logic Device (CPLD) from the renowned Xilinx FPGA CoolRunner-II family, engineered to deliver exceptional performance, ultra-low power consumption, and industry-leading flexibility for modern electronic applications.
Overview of XC2C128-6TQG144C CPLD
The XC2C128-6TQG144C represents cutting-edge programmable logic technology, offering designers 128 macrocells in a compact 144-pin TQFP package. This device combines the flexibility of traditional CPLDs with advanced features that make it ideal for battery-powered applications, industrial control systems, and portable consumer electronics.
Key Technical Specifications
Core Performance Parameters
| Specification |
Value |
Description |
| Macrocells |
128 |
Programmable logic capacity |
| Usable Gates |
3,000 |
Equivalent gate count |
| Speed Grade |
-6 |
Maximum operating frequency specification |
| Package Type |
TQFP-144 |
Thin Quad Flat Pack with 144 pins |
| Operating Voltage |
1.8V |
Low-power core voltage |
| I/O Voltage |
1.5V to 3.3V |
Flexible I/O standards support |
| Temperature Range |
Commercial (0°C to +70°C) |
Standard operating conditions |
Pin Configuration and I/O Features
| Feature |
Specification |
| Total Pins |
144 |
| User I/O Pins |
Up to 100 |
| Pin Pitch |
0.5mm |
| Package Dimensions |
20mm x 20mm x 1.4mm |
| I/O Standards Supported |
LVTTL, LVCMOS 1.5V/1.8V/2.5V/3.3V, HSTL, SSTL |
Advanced Features of XC2C128-6TQG144C
Power Management Excellence
The XC2C128-6TQG144C excels in power efficiency with several innovative features:
- Ultra-low standby current of less than 27μA typical
- Advanced power management with multiple low-power modes
- DataGATE technology for minimized power consumption
- CoolCLOCK technology reducing dynamic power by up to 50%
Design Flexibility and Architecture
Function Block Architecture
The XC2C128-6TQG144C utilizes an advanced PLA (Programmable Logic Array) architecture that provides:
- Fast combinatorial logic with predictable timing
- Flexible product terms for complex logic implementation
- Global and product term clocks for efficient clock distribution
- Programmable slew rates to minimize EMI
Interconnect Technology
| Interconnect Feature |
Benefit |
| AIM (Advanced Interconnect Matrix) |
Provides 100% routing connectivity |
| Zero hold-time |
Simplifies timing closure |
| Fast input setup times |
Enables high-speed interfacing |
| Programmable ground pins |
Reduces ground bounce |
Applications and Use Cases
Industrial Control Systems
The XC2C128-6TQG144C CPLD is perfectly suited for industrial automation applications:
- Motor control interfaces
- Sensor signal processing
- Protocol conversion (UART, SPI, I2C)
- Safety interlocks and control logic
- HMI controller interfaces
Consumer Electronics
Battery-powered devices benefit from the ultra-low power consumption:
- Portable medical devices
- Handheld instrumentation
- Smart home automation controllers
- Wearable technology interfaces
- Battery management systems
Communication Equipment
The device supports various communication protocols:
- Network interface controllers
- Data encryption/decryption modules
- Protocol bridging solutions
- Signal conditioning circuits
- Telecommunication switching logic
Design and Programming
Development Tools Compatibility
| Tool |
Purpose |
Compatibility |
| Vivado Design Suite |
Design entry and synthesis |
Full support |
| ISE Design Suite |
Legacy design environment |
Complete support |
| Impact |
Device programming |
Direct programming support |
| ChipScope |
In-system debugging |
Full debugging capability |
Programming and Configuration
The XC2C128-6TQG144C offers multiple programming options:
- In-System Programming (ISP) via JTAG interface
- Non-volatile Flash configuration – no external memory required
- Unlimited reprogrammability for design iterations
- Fast programming times of typically less than 1 second
Reliability and Quality Standards
Manufacturing and Quality
| Quality Metric |
Specification |
| MTBF |
>1,000,000 hours |
| ESD Protection |
2000V HBM |
| Latch-up Immunity |
>200mA |
| Moisture Sensitivity |
Level 3 |
| RoHS Compliance |
Fully compliant |
Thermal Characteristics and Reliability
Thermal Performance
The XC2C128-6TQG144C is designed for reliable operation across demanding environments:
- Junction temperature range: -40°C to +125°C
- Low thermal resistance enables efficient heat dissipation
- No heat sink required for typical applications
- Thermal shutdown protection built-in
Pin Assignment and PCB Layout Guidelines
PCB Design Recommendations
For optimal performance of the XC2C128-6TQG144C:
- Power Supply Decoupling: Place 0.1μF ceramic capacitors near each VCC pin
- Ground Plane: Use solid ground plane for noise reduction
- Signal Integrity: Keep high-speed traces short and controlled impedance
- JTAG Interface: Provide easy access for programming and debugging
Package Pin Details
| Pin Category |
Count |
Purpose |
| VCC Pins |
8 |
Core power supply |
| VCCIO Pins |
8 |
I/O bank power supply |
| GND Pins |
28 |
Ground connections |
| I/O Pins |
100 |
User-configurable I/O |
Comparison with Other CoolRunner-II Devices
Device Family Comparison
| Part Number |
Macrocells |
Pins |
Speed Grade |
Package |
| XC2C32A |
32 |
44-100 |
-6/-7 |
Various |
| XC2C64A |
64 |
44-144 |
-5/-7 |
Various |
| XC2C128-6TQG144C |
128 |
144 |
-6 |
TQFP |
| XC2C256 |
256 |
144-256 |
-6/-7 |
Various |
| XC2C384 |
384 |
208-324 |
-7 |
Various |
Ordering Information and Package Marking
Part Number Breakdown
XC2C128-6TQG144C decodes as:
- XC2C128: CoolRunner-II family, 128 macrocells
- -6: Speed grade (6ns pin-to-pin delay)
- TQ: Thin Quad Flat Pack
- G144: 144 pins, Green (RoHS compliant)
- C: Commercial temperature range
Technical Support and Resources
Available Documentation
Access comprehensive technical resources for the XC2C128-6TQG144C:
- Complete datasheet with electrical specifications
- Reference manual for architectural details
- Application notes for design best practices
- Schematic symbols and PCB footprints
- IBIS models for signal integrity simulation
- BSDL files for boundary scan testing
Why Choose XC2C128-6TQG144C?
Competitive Advantages
The XC2C128-6TQG144C stands out in the CPLD market with:
- Industry-leading power efficiency – Extends battery life in portable applications
- Fast design implementation – Predictable timing simplifies design closure
- Non-volatile configuration – Instant-on operation with no boot time
- Proven reliability – Trusted in millions of deployed systems worldwide
- Cost-effective solution – Optimal price-performance ratio for mid-density designs
Environmental Benefits
- RoHS compliant lead-free package
- Low power consumption reduces carbon footprint
- Long operational lifetime minimizes electronic waste
- Halogen-free option available for green initiatives
Frequently Asked Questions
What makes the XC2C128-6TQG144C suitable for low-power applications?
The device incorporates DataGATE and CoolCLOCK technologies, achieving standby currents as low as 27μA while maintaining full functionality. This makes it ideal for battery-powered and energy-efficient designs.
Can the XC2C128-6TQG144C be programmed multiple times?
Yes, the device features non-volatile Flash technology supporting unlimited reprogramming cycles, making it perfect for prototyping and field updates.
What development tools are required?
Xilinx ISE or Vivado Design Suite provides complete design entry, synthesis, and implementation. Programming requires a JTAG-compatible programmer.
Conclusion: Optimal CPLD Solution for Modern Designs
The XC2C128-6TQG144C delivers an exceptional combination of performance, power efficiency, and flexibility in a compact 144-pin package. Whether you’re developing industrial control systems, portable electronics, or communication equipment, this CoolRunner-II CPLD provides the reliability and features needed for successful product deployment.
With its proven architecture, comprehensive development tool support, and industry-leading specifications, the XC2C128-6TQG144C represents the optimal choice for designers seeking a mid-density programmable logic solution that doesn’t compromise on performance or power consumption.
