XC2C32A-4VQG44C: Xilinx CoolRunner-II CPLD – Complete Technical Guide and Specifications
The XC2C32A-4VQG44C is a high-performance Complex Programmable Logic Device (CPLD) from the renowned Xilinx CoolRunner-II family, now manufactured by AMD. This ultra-low power CPLD delivers exceptional performance for embedded systems, glue logic applications, and digital signal interfacing. Engineers seeking reliable programmable logic solutions will find the XC2C32A-4VQG44C ideal for space-constrained designs requiring fast pin-to-pin propagation delays and versatile I/O compatibility.
For more programmable logic solutions and related components, explore our comprehensive Xilinx FPGA product catalog.
XC2C32A-4VQG44C Key Features and Benefits
The XC2C32A-4VQG44C CPLD combines high-speed operation with industry-leading power efficiency. This device belongs to the CoolRunner-II architecture, specifically engineered for battery-powered and portable electronic applications where power consumption is critical.
Ultra-Low Power Consumption
The CoolRunner-II family utilizes advanced 0.18μm CMOS technology to achieve near-zero standby power consumption. The XC2C32A-4VQG44C operates at a core voltage of 1.8V, significantly reducing dynamic power dissipation compared to older CPLD families.
High-Speed Performance
With a -4 speed grade designation, this CPLD delivers a maximum pin-to-pin propagation delay of approximately 7.5ns. This makes the XC2C32A-4VQG44C suitable for time-critical applications including high-speed interface bridging and real-time control systems.
Compact VQG44 Package
The 44-pin Very Thin Quad Flat Pack (VTQFP) package measures just 10mm x 10mm with a 0.8mm pin pitch, providing an excellent solution for space-constrained PCB designs while maintaining adequate I/O availability.
XC2C32A-4VQG44C Technical Specifications
| Parameter |
Specification |
| Manufacturer |
AMD (formerly Xilinx) |
| Part Number |
XC2C32A-4VQG44C |
| Device Family |
CoolRunner-II CPLD |
| Product Category |
Complex Programmable Logic Devices (CPLDs) |
| Logic Type |
CPLD |
| Number of Macrocells |
32 |
| Equivalent Gates |
750 |
| Number of I/Os |
33 |
| Core Voltage |
1.8V |
| Speed Grade |
-4 (7.5ns tPD) |
| Process Technology |
0.18μm CMOS |
| Operating Temperature |
0°C to +70°C (Commercial) |
| Package Type |
VTQFP (Very Thin Quad Flat Pack) |
| Pin Count |
44 |
| Package Dimensions |
10mm x 10mm |
| Pin Pitch |
0.8mm |
| RoHS Status |
Compliant (Pb-free) |
XC2C32A-4VQG44C Architecture Overview
Function Block Configuration
The XC2C32A-4VQG44C architecture consists of eight Function Blocks interconnected through a sophisticated low-power Advanced Interconnect Matrix (AIM). Each Function Block receives 40 true and complement inputs from the AIM network.
| Architecture Element |
Description |
| Function Blocks |
8 |
| PLA Configuration |
40 × 56 P-term per Function Block |
| Macrocells per Function Block |
16 |
| Global Clock Inputs |
3 |
| Global Set/Reset |
Yes |
| DataGATE Function |
Supported |
| I/O Banks |
2 |
Macrocell Configuration Options
Each macrocell within the XC2C32A-4VQG44C offers extensive configuration flexibility:
- Combinational or registered output modes
- D-type or T-type flip-flop configuration
- D-latch functionality
- Global and local product-term clock selection
- Multiple output configurations including slew rate control, bus hold, pull-up, open drain, and programmable grounds
I/O Standards and Voltage Compatibility
The XC2C32A-4VQG44C CPLD supports multiple JEDEC I/O standards, enabling seamless integration with various voltage-level devices on the same PCB.
| I/O Standard |
VCCO Voltage |
Supported |
| LVTTL |
3.3V |
✓ |
| LVCMOS33 |
3.3V |
✓ |
| LVCMOS25 |
2.5V |
✓ |
| LVCMOS18 |
1.8V |
✓ |
| LVCMOS15 |
1.5V |
✓ (Schmitt-trigger inputs) |
I/O Banking Feature
Two independent I/O banks allow the XC2C32A-4VQG44C to interface with multiple voltage domains simultaneously. This capability simplifies level-shifting requirements and reduces external component count in mixed-voltage system designs.
Programming and Development Tools
JTAG Boundary-Scan Support
The XC2C32A-4VQG44C fully supports IEEE Standard 1149.1/1532 Boundary-Scan (JTAG) interfaces for:
- In-System Programming (ISP)
- Device configuration verification
- Board-level testing and debugging
- FPGA configuration initiation
Development Software
Engineers can develop applications for the XC2C32A-4VQG44C using the Xilinx ISE Design Suite. This comprehensive development environment provides synthesis, implementation, and timing analysis tools specifically optimized for CoolRunner-II CPLD devices.
| Development Tool |
Function |
| ISE Design Suite |
Complete CPLD development environment |
| ISE WebPACK |
Free downloadable edition |
| iMPACT |
Device programming utility |
| JTAG Programmer |
In-system configuration |
XC2C32A-4VQG44C Applications
The XC2C32A-4VQG44C CPLD excels in numerous embedded and industrial applications:
Consumer Electronics
- Portable device power management
- Display interface control
- Battery charging systems
- Remote control encoders/decoders
Industrial Automation
- PLC I/O expansion modules
- Sensor interface conditioning
- Motor control sequencing
- Real-time safety monitoring
Communications Equipment
- Protocol conversion bridges
- Clock generation and distribution
- Signal routing matrices
- Interface glue logic
Embedded Systems
- Microcontroller peripheral expansion
- Address decoding
- State machine implementation
- Boot sequence management
Part Number Decoder for XC2C32A-4VQG44C
Understanding the XC2C32A-4VQG44C part number helps engineers select the correct device variant:
| Code Element |
Meaning |
| XC2C |
Xilinx CoolRunner-II Family |
| 32A |
32 Macrocells, “A” variant (lower power) |
| -4 |
Speed Grade (7.5ns propagation delay) |
| VQ |
Very Thin Quad Flat Pack (VTQFP) |
| G |
Pb-free (Green) Package |
| 44 |
44-Pin Package |
| C |
Commercial Temperature Range (0°C to +70°C) |
Related Part Numbers and Variants
| Part Number |
Speed Grade |
Temperature |
Package |
| XC2C32A-4VQG44C |
-4 (7.5ns) |
Commercial |
44-VTQFP Pb-free |
| XC2C32A-6VQG44C |
-6 (5.5ns) |
Commercial |
44-VTQFP Pb-free |
| XC2C32A-6VQG44I |
-6 (5.5ns) |
Industrial |
44-VTQFP Pb-free |
| XC2C32A-4CPG56C |
-4 (7.5ns) |
Commercial |
56-CSP Pb-free |
| XC2C32A-6CPG56C |
-6 (5.5ns) |
Commercial |
56-CSP Pb-free |
Electrical Characteristics Summary
| Parameter |
Minimum |
Typical |
Maximum |
Unit |
| VCCINT (Core) |
1.7 |
1.8 |
1.9 |
V |
| VCCIO |
1.4 |
– |
3.6 |
V |
| Input High (VIH) |
2.0 |
– |
3.9 |
V |
| Input Low (VIL) |
-0.3 |
– |
0.8 |
V |
| ICC Standby |
– |
16 |
– |
μA |
| tPD (pin-to-pin) |
– |
– |
7.5 |
ns |
Why Choose the XC2C32A-4VQG44C CPLD?
The XC2C32A-4VQG44C delivers an optimal balance of performance, power efficiency, and cost-effectiveness for low-to-medium complexity programmable logic applications. Key advantages include:
- Zero Standby Power: Near-zero static current consumption extends battery life in portable applications
- Fast Configuration: Quick power-on initialization for instant-on systems
- Multi-Voltage Support: Two I/O banks support independent voltage levels
- Compact Footprint: Small 10mm × 10mm package conserves PCB space
- RoHS Compliance: Pb-free construction meets environmental regulations
- Mature Technology: Proven reliability with extensive industry deployment
Conclusion
The XC2C32A-4VQG44C CoolRunner-II CPLD from AMD/Xilinx represents an excellent choice for designers requiring reliable, low-power programmable logic in a compact package. With 32 macrocells, 750 equivalent gates, and comprehensive I/O standard support, this CPLD delivers the flexibility and performance needed for modern embedded system designs.
