Meta Description: XCF02SVO20C is a 2Mbit Xilinx Platform Flash PROM for FPGA configuration. Discover specifications, features, pinout, and applications of this in-system programmable configuration memory.
The XCF02SVO20C is a high-performance Platform Flash PROM manufactured by Xilinx (now part of AMD). This configuration memory IC provides a reliable and cost-effective solution for storing Xilinx FPGA configuration bitstreams. Engineers worldwide rely on this component for embedded systems, industrial automation, and telecommunications applications.
XCF02SVO20C Key Features and Benefits
The XCF02SVO20C belongs to the XCFxxS Platform Flash PROM family. This device offers several advantages that make it ideal for FPGA-based designs:
- In-System Programmable – Program the device directly on your PCB without removal
- Low-Power Operation – Advanced CMOS NOR Flash process reduces power consumption
- High Endurance – Supports 20,000 program/erase cycles for long product lifecycles
- Industrial Temperature Range – Operates reliably from -40°C to +85°C
- JTAG Programming Support – IEEE 1149.1/1532 boundary-scan compatible
XCF02SVO20C Technical Specifications
General Parameters
| Parameter |
Value |
| Manufacturer |
Xilinx (AMD) |
| Part Number |
XCF02SVO20C |
| Product Category |
Memory – Configuration PROMs for FPGAs |
| Memory Type |
Platform Flash PROM |
| Memory Density |
2 Mbit (2Mb) |
| Technology |
CMOS NOR Flash |
Electrical Characteristics
| Parameter |
Specification |
| Core Voltage (VCCINT) |
3.3V |
| I/O Voltage Range (VCCO) |
1.8V – 3.3V |
| Output Voltage Range |
2.5V – 3.3V |
| Maximum Clock Frequency |
33 MHz |
| Current Consumption |
1 mA (typical) |
Operating Conditions
| Condition |
Range |
| Operating Temperature |
-40°C to +85°C (Industrial Grade) |
| Storage Temperature |
-65°C to +150°C |
| Program/Erase Endurance |
20,000 cycles |
| Data Retention |
20 years minimum |
Package Information
| Parameter |
Details |
| Package Type |
20-TSSOP (VO20) |
| Package Dimensions |
6.5mm × 4.4mm |
| Lead Count |
20 pins |
| Mounting Type |
Surface Mount (SMD) |
| Lead-Free Status |
RoHS Compliant |
XCF02SVO20C Configuration Modes
The XCF02SVO20C supports multiple FPGA configuration modes. These modes provide flexibility for different system architectures:
Supported Configuration Interfaces
| Mode |
Description |
Supported |
| Master Serial |
PROM generates clock, controls configuration |
Yes |
| Slave Serial |
External master provides clock signal |
Yes |
| Parallel (SelectMAP) |
8-bit parallel data transfer |
No |
| JTAG Configuration |
Direct programming via boundary-scan |
Yes |
Configuration Process Overview
The configuration process follows these steps:
- Power-Up Sequence – Apply power to VCCINT and VCCO pins
- JTAG Programming – Load bitstream via IEEE 1149.1 interface
- Configuration Initiation – FPGA requests configuration data
- Serial Data Transfer – PROM transmits bitstream serially
- Configuration Complete – FPGA enters operational mode
XCF02SVO20C Pinout Description
Understanding the pin configuration is essential for proper PCB design. The table below details each pin function:
| Pin Number |
Name |
I/O Type |
Description |
| 1 |
CEO |
Output |
Cascade Enable Output for daisy-chaining |
| 2 |
CLK |
Input |
Configuration Clock Input |
| 3 |
D0 |
Output |
Serial Data Output |
| 4 |
CF |
Input |
Configuration Enable |
| 5 |
VCCO |
Power |
Output Supply Voltage |
| 6-8 |
NC |
– |
No Connection |
| 9 |
OE/RESET |
Input |
Output Enable / Reset |
| 10 |
GND |
Ground |
Ground Reference |
| 11 |
VCCINT |
Power |
Core Supply Voltage (3.3V) |
| 12 |
TMS |
Input |
JTAG Test Mode Select |
| 13 |
TCK |
Input |
JTAG Test Clock |
| 14 |
TDI |
Input |
JTAG Test Data Input |
| 15 |
TDO |
Output |
JTAG Test Data Output |
| 16-20 |
Reserved |
– |
Reserved pins |
XCF02SVO20C Applications
This configuration PROM serves numerous applications across industries:
Industrial Applications
- Programmable Logic Controllers (PLCs)
- Motor drive systems
- Industrial networking equipment
- Process automation controllers
Communication Systems
- Network switches and routers
- Base station equipment
- Fiber optic transceivers
- Protocol converters
Consumer Electronics
- Set-top boxes
- Digital displays
- Gaming consoles
- Audio/video processing systems
Automotive Electronics
- Advanced Driver Assistance Systems (ADAS)
- Infotainment systems
- Instrument clusters
- Vehicle networking modules
Design Considerations for XCF02SVO20C
Power Supply Requirements
Proper power supply design ensures reliable operation:
- Decoupling Capacitors – Place 0.1µF ceramic capacitors near VCCINT and VCCO pins
- Power Sequencing – Apply VCCINT before or simultaneously with VCCO
- Voltage Tolerance – Maintain VCCINT within ±10% of 3.3V nominal
PCB Layout Guidelines
Follow these recommendations for optimal performance:
- Keep clock traces short and impedance-matched
- Use ground planes beneath signal traces
- Separate analog and digital power domains
- Minimize via count on critical signal paths
JTAG Chain Configuration
When connecting multiple devices in a JTAG chain:
| Connection |
Description |
| TDI → TDO |
Daisy-chain between devices |
| TCK |
Common clock to all devices |
| TMS |
Common mode select |
| TRST |
Optional test reset |
XCF02SVO20C vs Alternative Parts
Compare the XCF02SVO20C with other Platform Flash PROMs:
| Part Number |
Density |
Voltage |
Package |
Configuration Modes |
| XCF01SVO20C |
1 Mbit |
3.3V |
20-TSSOP |
Serial Only |
| XCF02SVO20C |
2 Mbit |
3.3V |
20-TSSOP |
Serial Only |
| XCF04SVO20C |
4 Mbit |
3.3V |
20-TSSOP |
Serial Only |
| XCF08PVO48C |
8 Mbit |
1.8V |
48-TSSOP |
Serial + Parallel |
| XCF16PVO48C |
16 Mbit |
1.8V |
48-TSSOP |
Serial + Parallel |
| XCF32PVO48C |
32 Mbit |
1.8V |
48-TSSOP |
Serial + Parallel |
Ordering Information
The complete part number breakdown for XCF02SVO20C:
| Code Segment |
Meaning |
| XCF |
Platform Flash PROM Family |
| 02 |
2 Mbit Density |
| S |
3.3V Core Voltage Version |
| VO20 |
20-pin TSSOP Package |
| C |
Commercial/Industrial Temperature Grade |
Available Package Options
| Part Number |
Package |
Temperature Range |
| XCF02SVO20C |
20-TSSOP |
-40°C to +85°C |
| XCF02SVOG20C |
20-TSSOP (Lead-Free) |
-40°C to +85°C |
Frequently Asked Questions
What FPGA families are compatible with XCF02SVO20C?
The XCF02SVO20C works with multiple Xilinx FPGA families including Spartan-3, Spartan-6, Virtex-4, and Virtex-5 series devices that support serial configuration.
Can I program the XCF02SVO20C without removing it from the PCB?
Yes, the device supports in-system programming via the JTAG interface. You can update the stored bitstream using Xilinx iMPACT or Vivado software.
What is the maximum configuration bitstream size for XCF02SVO20C?
The 2 Mbit capacity can store configuration data for small to medium-sized FPGAs. For larger FPGAs, consider the XCF04S (4Mb) or XCFxxP series devices.
Is the XCF02SVO20C still in production?
This device has been classified as “Not Recommended for New Designs” (NRND). For new projects, consider AMD Xilinx’s latest configuration solutions or compatible third-party alternatives.
Conclusion
The XCF02SVO20C Platform Flash PROM delivers reliable FPGA configuration storage in a compact 20-pin TSSOP package. Its 2 Mbit capacity, industrial temperature range, and JTAG programming support make it suitable for numerous embedded applications. Engineers designing with this configuration memory benefit from proven reliability and straightforward integration with Xilinx development tools.
