Overview
XCF01SVO20C is a 1 Mbit serial configuration PROM (Platform Flash) launched by AMD (formerly Xilinx) , which is dedicated to providing a stable and reliable configuration storage solution for Xilinx Spartan and Virtex series FPGAs . The device supports serial slave mode download and loads configuration data into the target FPGA through the SPI interface when powered on. XCF01SVO20C uses a small 20-pin SOIC package and supports an industrial temperature range . It is widely used in high-reliability scenarios such as embedded systems, industrial control, communication equipment, military and avionics .

Specifications
parameter | Numeric |
Storage capacity | 1 Mbit (128KB) |
Configuring the Interface | Serial SPI (Slave serial configuration) |
FPGA compatible | Xilinx Spartan, Virtex series |
Programmatically | JTAG interface |
Supply voltage range | 2.7V to 3.6V |
Maximum clock frequency | 33 MHz |
Data retention time | ≥20 years |
Number of write cycles (erase and write cycles) | ≥100,000 times |
Package Type | 20-pin SOIC (VO20C package) |
Operating temperature range | -40°C to +85°C (Industrial Grade) |
Other Features | Support FPGA multi-device cascade configuration |
XCF01SVO20C Core Features
Designed for FPGA configuration
It is fully compatible with Xilinx FPGAs and is applicable to series including Spartan-II, Spartan-3, Virtex, Virtex-II, Virtex-4, etc., ensuring a stable and reliable configuration process.
Flexible serial slave configuration mode
Supports Slave serial mode (master controller is FPGA), transmits configuration data through DIN/DOUT pins, simplifies PCB wiring, and reduces system complexity.
JTAG interface supports in-circuit programming
The PROM can be programmed, erased and verified online through the standard JTAG interface, and can be debugged together with the FPGA, facilitating rapid development and deployment of embedded systems.
High reliability flash storage
It provides ≥100,000 erase/write cycles and 20-year data retention capability, and is suitable for industrial and communication equipment that require extremely high stability and reliability.
Multiple devices in series function
Multiple PROMs can be connected in series to configure larger capacity FPGAs, such as Spartan-3E or Virtex-II Pro, to flexibly meet different capacity requirements.
Compact SOIC-20 package
The 20-pin SOIC package (VO20C) is used, which is convenient for welding and industrial manufacturing and suitable for automatic mounting production lines.
Typical application scenarios
The high reliability and FPGA configuration-specific features of the XCF01SVO20C make it suitable for the following applications:
Embedded control system
Provides initial configuration data for FPGA, such as in industrial control devices such as motor controllers and motion controllers.
Communications and Network Infrastructure
Used to configure data path control modules in high-speed switches, routers, and wireless base stations built on FPGAs.
Industrial Automation Equipment
Use FPGA in PLC, data acquisition system and signal processing module to realize flexible function expansion.
Aerospace and defense equipment
Support signal reinforcement platforms, flight control systems, radar signal processors, etc. that can operate for a long time in extreme environments.
Medical and equipment
Used for FPGA startup configuration in high-end imaging systems and portable detection instruments.
Comparative Analysis: XCF01SVO20C and Other Configuration Memory
Features/Parameters | XCF01SVO20C | Ordinary serial NOR Flash |
Dedicated to FPGA configuration | yes | no |
Support JTAG online programming | yes | Partial support |
Capacity optimized to match FPGA | Accurate (1Mbit) | Too large capacity/waste of resources |
Supports multi-device cascading | yes | no |
Reliability (lifetime/retention) | 100,000 times/20 years | 10,000 times/10 years (typical) |
Interface compatibility | Serial configuration only | SPI general purpose storage |
Compared with general-purpose SPI Flash, XCF01SVO20C provides functions and interfaces customized for FPGAs, making it more suitable for mission-critical FPGA boot configuration scenarios.
Manufacturer introduction: AMD / Xilinx
Xilinx, a subsidiary of AMD, is the world’s leading manufacturer of FPGAs and programmable logic devices. XCF01SVO20C is a representative product of its Platform Flash PROM series, providing stable, secure, and efficient configuration storage solutions for various FPGA applications, and is seamlessly compatible with Xilinx’s full range of development tools, such as iMPACT, Vivado, and ISE.
Why choose XCF01SVO20C?
● Designed specifically for Xilinx FPGAs to ensure configuration compatibility and stability
● JTAG programmable, supports field updates and debugging
● High-reliability flash memory technology, supports 100,000 erases/20 years of data retention
● Supports multi-PROM cascading, expands configuration capabilities
● Wide operating voltage (2.7V–3.6V), suitable for a variety of power systems
● Industrial-grade temperature support, suitable for high-reliability occasions
● SOIC-20 compact package, easy to integrate into miniaturized systems
Frequently Asked Questions (FAQ)
Q1: Can XCF01SVO20C only be used for Xilinx FPGA?
Yes, XCF01SVO20C is a configuration PROM dedicated to Xilinx platform, designed for use with Xilinx Spartan and Virtex series FPGAs. Its communication protocol and configuration process are highly compatible with Xilinx devices, so it is not recommended for FPGA designs from other manufacturers. Using non-compatible platforms may cause configuration failure or system instability.
Q2: How to program XCF01SVO20C?
XCF01SVO20C can be programmed through Xilinx official tools such as iMPACT or Vivado, and also supports online burning using a standard JTAG downloader. It supports chain connection, which can realize serial programming of multiple PROMs, and is suitable for the configuration requirements of large-capacity FPGAs. In addition, developers can flexibly choose offline or online programming methods during prototype design or mass production to improve production efficiency.
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