The XC2C128-7TQ144C is a high-performance Complex Programmable Logic Device (CPLD) from Xilinx’s acclaimed CoolRunner-II family. This 128-macrocell CPLD delivers exceptional low-power performance in a compact 144-pin TQFP package, making it the ideal choice for portable electronics, industrial automation, and embedded system applications.
XC2C128-7TQ144C Key Features and Benefits
The XC2C128-7TQ144C stands out in the CPLD market due to its unique combination of speed, efficiency, and versatility. Engineers worldwide choose this device for applications demanding both reliability and ultra-low power consumption.
Ultra-Low Power Consumption
One of the most significant advantages of the XC2C128-7TQ144C is its industry-leading power efficiency. The CoolRunner-II architecture enables:
- Standby current as low as 13 μA – Ideal for battery-operated devices
- Zero-power mode for minimal current draw during inactivity
- Dynamic power optimization during active operation
Instant-On Capability
Unlike FPGAs that require boot-up configuration, the XC2C128-7TQ144C provides instant-on functionality, becoming operational immediately upon power-up. This feature is critical for applications requiring immediate response without startup delays.
High-Speed Performance
The XC2C128-7TQ144C delivers impressive timing specifications suitable for demanding digital designs:
- Maximum operating frequency: 152 MHz
- Pin-to-pin propagation delay: 7.5 ns
- Speed grade: 7
XC2C128-7TQ144C Technical Specifications
| Parameter |
Value |
| Part Number |
XC2C128-7TQ144C |
| Manufacturer |
Xilinx (AMD) |
| Family |
CoolRunner-II |
| Device Type |
CPLD |
| Number of Macrocells |
128 |
| Number of Gates |
3,000 |
| Number of Function Blocks |
8 |
| Maximum User I/Os |
100 |
| Maximum Frequency |
152 MHz |
| Propagation Delay (tPD) |
7.5 ns |
| Operating Voltage (VCCINT) |
1.8V (1.7V – 1.9V) |
| Process Technology |
0.18 μm CMOS |
| Temperature Range |
0°C to +70°C (Commercial) |
| Package Type |
144-Pin TQFP |
| Package Dimensions |
20mm × 20mm |
| Pin Pitch |
0.5 mm |
| RoHS Compliance |
Available in RoHS-compliant versions |
XC2C128-7TQ144C Architecture Overview
The XC2C128-7TQ144C utilizes Xilinx’s proven CoolRunner-II architecture, designed specifically for optimal balance between performance and power efficiency.
Function Block Structure
The device contains 8 function blocks, each consisting of:
- A 40 × 56 product-term PLA (Programmable Logic Array)
- 16 macrocells with configurable combinational or registered modes
- Comprehensive configuration bits for flexible logic implementation
Advanced Interconnect Matrix (AIM)
The Advanced Interconnect Matrix (AIM) efficiently routes signals between function blocks while minimizing power consumption. The AIM feeds 40 true and complement inputs to each function block, ensuring high-speed signal distribution with minimal propagation delay.
I/O Banking for Voltage Translation
The XC2C128-7TQ144C features two independent I/O banks, enabling seamless interfacing with multiple voltage standards:
- 3.3V (LVTTL, LVCMOS33)
- 2.5V (LVCMOS25, SSTL2)
- 1.8V (LVCMOS18)
- 1.5V (LVCMOS15, HSTL)
XC2C128-7TQ144C Supported I/O Standards
| I/O Standard |
Output VCCIO |
Input VCCIO |
Input VREF |
Board Termination (VTT) |
| LVTTL |
3.3V |
3.3V |
N/A |
N/A |
| LVCMOS33 |
3.3V |
3.3V |
N/A |
N/A |
| LVCMOS25 |
2.5V |
2.5V |
N/A |
N/A |
| LVCMOS18 |
1.8V |
1.8V |
N/A |
N/A |
| LVCMOS15 |
1.5V |
1.5V |
N/A |
N/A |
| HSTL_1 |
1.5V |
1.5V |
0.75V |
0.75V |
| SSTL2_1 |
2.5V |
2.5V |
1.25V |
1.25V |
| SSTL3_1 |
3.3V |
3.3V |
1.5V |
1.5V |
XC2C128-7TQ144C Applications
The versatile XC2C128-7TQ144C is suitable for a wide range of applications across multiple industries:
Consumer Electronics
- Portable devices and handheld gadgets
- Battery-powered equipment
- Smart home devices
- Entertainment systems
Industrial Automation
- PLC interfaces and glue logic
- Motor control systems
- Sensor interface circuits
- Equipment monitoring systems
Telecommunications
- Network interface cards
- Wireless communication modules
- Protocol conversion bridges
- Signal routing applications
Medical Devices
- Portable diagnostic equipment
- Patient monitoring systems
- Medical instrumentation interfaces
Automotive Electronics
- Dashboard display controllers
- Sensor signal processing
- Vehicle communication interfaces
XC2C128-7TQ144C Programming and Development
JTAG Support
The XC2C128-7TQ144C fully supports IEEE Standard 1149.1/1532 Boundary-Scan (JTAG) for:
- In-system programming (ISP)
- Prototyping and rapid iteration
- Device testing and debugging
- FPGA configuration command initiation
Design Tools
Xilinx provides comprehensive development tools for the XC2C128-7TQ144C:
- ISE Design Suite – Complete CPLD design environment
- Vivado Design Suite – Modern synthesis and implementation tools
- VHDL/Verilog – Industry-standard HDL support
Why Choose the XC2C128-7TQ144C?
| Advantage |
Benefit |
| Ultra-Low Power |
Extends battery life in portable applications |
| Instant-On |
No boot-up delays; immediate operation |
| Multi-Voltage I/O |
Easy interfacing with various system components |
| High Speed |
152 MHz operation for demanding timing requirements |
| Robust Package |
144-Pin TQFP ensures reliable PCB mounting |
| In-System Programming |
Easy updates without device removal |
| JTAG Support |
Standard debugging and test interface |
XC2C128-7TQ144C Related Part Numbers
| Part Number |
Description |
| XC2C128-7TQG144C |
Lead-free (RoHS) version, Commercial temp |
| XC2C128-7TQ144I |
Industrial temperature range (-40°C to +85°C) |
| XC2C128-7TQG144I |
Lead-free, Industrial temperature range |
| XC2C128-6TQ144C |
Speed grade 6 version (faster, 5.7ns tPD) |
| XC2C128-7QPG132C |
132-ball BGA package option |
| XC2C128-7VQG100C |
100-pin VQFP package option |
XC2C128-7TQ144C Ordering Information
When ordering the XC2C128-7TQ144C, ensure you select the correct variant based on your requirements:
- Temperature Range: C (Commercial: 0°C to +70°C) or I (Industrial: -40°C to +85°C)
- Package: TQ144 (144-pin TQFP), QP132 (132-ball BGA), VQ100 (100-pin VQFP)
- Speed Grade: 6 (fastest) or 7 (standard)
- RoHS Compliance: G suffix indicates lead-free/RoHS-compliant
Find More Xilinx Programmable Logic Devices
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Frequently Asked Questions About XC2C128-7TQ144C
What is the XC2C128-7TQ144C?
The XC2C128-7TQ144C is a 128-macrocell CPLD from Xilinx’s CoolRunner-II family, featuring ultra-low power consumption, instant-on capability, and 152 MHz maximum operating frequency in a 144-pin TQFP package.
What is the difference between XC2C128-7TQ144C and XC2C128-6TQ144C?
The primary difference is the speed grade. The XC2C128-6TQ144C (speed grade 6) offers faster pin-to-pin delays of 5.7 ns compared to 7.5 ns for the XC2C128-7TQ144C (speed grade 7).
What voltage does the XC2C128-7TQ144C operate at?
The XC2C128-7TQ144C core operates at 1.8V (range: 1.7V to 1.9V), while the I/O banks support multiple voltage standards from 1.5V to 3.3V.
Is the XC2C128-7TQ144C still in production?
Yes, CoolRunner-II CPLDs including the XC2C128-7TQ144C remain available from authorized distributors. For current availability and pricing, check with your preferred electronic components supplier.
What design software is needed for XC2C128-7TQ144C?
Xilinx ISE Design Suite or ISE WebPACK (free version) can be used for designing with the XC2C128-7TQ144C. These tools support VHDL and Verilog hardware description languages.
