The XC2C128-7VQ100I is a high-performance Complex Programmable Logic Device (CPLD) from the Xilinx CoolRunner-II family. This industrial-grade CPLD delivers exceptional low-power operation combined with instant-on, nonvolatile technology. Engineers worldwide choose the XC2C128-7VQ100I for embedded systems, portable electronics, and industrial automation applications requiring reliable programmable logic solutions.
Key Features of the XC2C128-7VQ100I CoolRunner-II CPLD
The XC2C128-7VQ100I stands out in the programmable logic device market due to its unique combination of ultra-low power consumption and high-speed performance. Below are the standout features that make this CPLD an excellent choice for modern electronic designs.
Ultra-Low Power Consumption
One of the most significant advantages of the XC2C128-7VQ100I is its remarkably low power consumption. The device operates at just 28.8µW in standby mode with a standby current of only 16µA. This makes it ideal for battery-powered applications where power efficiency is critical.
Advanced CoolRunner-II Technologies
The XC2C128-7VQ100I incorporates several proprietary Xilinx technologies:
- DataGATE Technology – Blocks unnecessary clock signals to reduce dynamic power
- CoolCLOCK Technology – Combines clock gating with clock dividers for enhanced power savings
- RealDigital Design Methodology – CMOS-based architecture for optimal performance
- In-System Programmable (ISP) – Allows field updates without device removal
XC2C128-7VQ100I Technical Specifications
Understanding the complete specifications of the XC2C128-7VQ100I helps engineers determine if this CPLD meets their project requirements. The following tables provide comprehensive technical details.
General Specifications
| Parameter |
Value |
| Manufacturer |
AMD (formerly Xilinx) |
| Product Family |
CoolRunner-II |
| Part Number |
XC2C128-7VQ100I |
| Device Type |
CPLD (Complex Programmable Logic Device) |
| Technology |
0.18µm CMOS |
| Configuration |
Nonvolatile, In-System Programmable |
Logic Resources
| Parameter |
Value |
| Number of Macrocells |
128 |
| Number of Gates |
3,000 |
| Number of Logic Blocks |
8 |
| Number of I/O Pins |
80 |
| Product Terms per Macrocell |
40 |
Performance Specifications
| Parameter |
Value |
| Maximum Frequency |
152 MHz |
| Pin-to-Pin Delay (tpd) |
7.0 ns (max) |
| Global Clock Setup Time |
3.0 ns |
| Propagation Delay |
7.5 ns |
| Speed Grade |
-7 |
Electrical Characteristics
| Parameter |
Value |
| Core Supply Voltage (VCCINT) |
1.8V (1.7V – 1.9V) |
| I/O Supply Voltage (VCCIO) |
1.5V / 1.8V / 2.5V / 3.3V |
| Standby Current |
16 µA |
| Standby Power |
28.8 µW |
Package Information
| Parameter |
Value |
| Package Type |
100-VQFP (Very Thin Quad Flat Pack) |
| Package Dimensions |
14mm x 14mm |
| Pin Pitch |
0.5 mm |
| Lead Count |
100 Pins |
| Mounting Type |
Surface Mount (SMD) |
| Height |
1.0 mm |
Operating Conditions
| Parameter |
Value |
| Operating Temperature |
-40°C to +85°C (Industrial Grade) |
| Storage Temperature |
-65°C to +150°C |
| Moisture Sensitivity Level |
MSL 3 (168 hours) |
| RoHS Compliance |
Yes (Lead-Free) |
I/O Standards Supported by XC2C128-7VQ100I
The XC2C128-7VQ100I CPLD supports multiple I/O standards, providing designers with flexibility when interfacing with various system components. This versatility makes the device compatible with a wide range of voltage levels and signaling protocols.
Supported I/O Interfaces
| I/O Standard |
Voltage Level |
Description |
| LVTTL |
3.3V |
Low Voltage TTL for general-purpose applications |
| LVCMOS33 |
3.3V |
Low Voltage CMOS 3.3V standard |
| LVCMOS25 |
2.5V |
Low Voltage CMOS 2.5V standard |
| LVCMOS18 |
1.8V |
Low Voltage CMOS 1.8V standard |
| SSTL2-I |
2.5V |
Stub Series Terminated Logic Class I |
| SSTL3-I |
3.3V |
Stub Series Terminated Logic Class I |
| HSTL-I |
1.5V |
High-Speed Transceiver Logic Class I |
Advanced I/O Features
The XC2C128-7VQ100I includes Schmitt-trigger inputs on all I/O pins, which improve noise immunity and enable clean signal transitions even with slowly changing input signals. This feature is particularly valuable in electrically noisy environments common in industrial applications.
Applications for XC2C128-7VQ100I CPLD
The XC2C128-7VQ100I serves diverse application areas where low power, high speed, and programmable logic are essential. Below are the primary markets where this CoolRunner-II CPLD excels.
Consumer Electronics
- Portable media players
- Digital cameras
- Handheld gaming devices
- Wearable technology
Industrial Automation
- Motor control systems
- Sensor interfaces
- PLC expansion modules
- Process control equipment
Communication Equipment
- Network interface cards
- Protocol converters
- Signal routing systems
- Base station controllers
Automotive Electronics
- Body control modules
- Dashboard interfaces
- Diagnostic systems
- Entertainment systems
Medical Devices
- Portable diagnostic equipment
- Patient monitoring systems
- Medical imaging interfaces
- Laboratory instruments
For projects requiring more advanced programmable logic capabilities, consider exploring our comprehensive selection of Xilinx FPGA devices for higher gate counts and enhanced performance.
XC2C128-7VQ100I vs. Alternative CPLDs
When selecting a CPLD for your design, comparing the XC2C128-7VQ100I with alternatives helps ensure you choose the optimal solution. The table below highlights key differences between popular CPLD options.
Comparison Table
| Feature |
XC2C128-7VQ100I |
XC2C256-7VQ100I |
XC2C64A-7VQ100I |
| Macrocells |
128 |
256 |
64 |
| Gates |
3,000 |
6,000 |
1,500 |
| Max Frequency |
152 MHz |
152 MHz |
263 MHz |
| I/O Pins |
80 |
80 |
64 |
| tpd (ns) |
7.0 |
7.5 |
5.7 |
| Package |
100-VQFP |
100-VQFP |
100-VQFP |
Design Resources and Development Tools
Developing with the XC2C128-7VQ100I requires appropriate software tools and development resources. AMD (Xilinx) provides comprehensive support for CoolRunner-II devices.
Software Development Tools
| Tool |
Description |
| Xilinx ISE Design Suite |
Primary development environment for CoolRunner-II CPLDs |
| ISE WebPACK |
Free edition suitable for XC2C128 development |
| ChipScope Pro |
On-chip debugging and analysis tool |
| iMPACT |
Device programming utility |
Programming Options
The XC2C128-7VQ100I supports multiple programming methods:
- JTAG Programming – Standard IEEE 1149.1 boundary scan interface
- In-System Programming (ISP) – Program device while installed on PCB
- Parallel Cable IV – High-speed programming for production
- Platform Cable USB – USB-based programming interface
Ordering Information and Part Number Breakdown
Understanding the XC2C128-7VQ100I part number structure helps when ordering or specifying alternatives.
Part Number Decoder
| Segment |
Code |
Meaning |
| Family |
XC2C |
CoolRunner-II CPLD |
| Density |
128 |
128 Macrocells |
| Speed Grade |
-7 |
7 ns maximum tpd |
| Package |
VQ |
Very Thin Quad Flat Pack |
| Pin Count |
100 |
100 Pins |
| Temperature |
I |
Industrial (-40°C to +85°C) |
Related Part Numbers
| Part Number |
Difference from XC2C128-7VQ100I |
| XC2C128-7VQ100C |
Commercial temperature (0°C to +70°C) |
| XC2C128-7TQ144I |
144-pin TQFP package |
| XC2C128-7CP132I |
132-pin Chip Scale Package |
| XC2C128-7VQG100I |
Green (Pb-Free) designation |
PCB Layout Guidelines for XC2C128-7VQ100I
Proper PCB design ensures optimal performance and reliability when using the XC2C128-7VQ100I CPLD.
Power Supply Recommendations
| Supply |
Capacitor Value |
Placement |
| VCCINT (1.8V) |
10µF + 0.1µF |
Adjacent to supply pins |
| VCCIO |
4.7µF + 0.1µF |
Near I/O banks |
| VREF |
0.1µF |
Close to VREF pins |
Layout Best Practices
- Place decoupling capacitors as close as possible to power pins
- Use solid ground planes beneath the device
- Keep high-speed signal traces short and direct
- Maintain controlled impedance for critical signals
- Provide adequate thermal relief for heat dissipation
Why Choose XC2C128-7VQ100I for Your Next Project?
The XC2C128-7VQ100I CoolRunner-II CPLD offers an exceptional balance of performance, power efficiency, and flexibility. Its industrial temperature rating ensures reliable operation in demanding environments, while the ultra-low power consumption extends battery life in portable applications.
Summary of Benefits
| Benefit |
Description |
| Ultra-Low Power |
28.8µW standby enables battery-powered designs |
| Instant-On |
Nonvolatile configuration eliminates boot time |
| Industrial Grade |
-40°C to +85°C operating range |
| Flexible I/O |
Multiple voltage standards supported |
| In-System Programmable |
Field updates without hardware changes |
| Proven Technology |
Mature CoolRunner-II platform with extensive support |
The XC2C128-7VQ100I continues to be a popular choice among engineers who need reliable, low-power programmable logic for their embedded systems and industrial applications.
