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XC1765ELSO8C

XC1765ELSO8C Description

The XC1765ELSO8C is a 65kb One-Time Programmable (OTP) serial PROM manufactured by AMD, designed for FPGA configuration memory applications. Operating within a 3V to 3.6V supply range, this device is optimized for surface-mount (SOIC-8) integration in commercial-temperature environments (0°C to 70°C). As an obsolete part, it remains relevant for legacy systems requiring reliable, non-volatile storage for FPGA bitstreams or microcontroller code. Its OTP architecture ensures data integrity without the need for refresh cycles, making it suitable for secure, long-term deployments.

XC1765ELSO8C Features

• Memory Capacity: 65kb storage for FPGA configuration or firmware.
• OTP (One-Time Programmable): Ensures permanent data retention, ideal for secure or fixed-function applications.
• Wide Voltage Range: Supports 3V–3.6V, compatible with low-power FPGA systems.
• Robust Packaging: 8-pin SOIC (Surface Mount) with MSL 1 (Unlimited) moisture sensitivity, suitable for automated assembly.
• Commercial Temperature Range: Operates reliably in 0°C to 70°C environments.
• Legacy Compliance: Meets EAR99 and REACH Unaffected standards for global deployment.

Advantages Over Similar Models:
Unlike flash-based alternatives, the XC1765ELSO8C’s OTP design eliminates rewrite fatigue, offering superior reliability for end-of-life systems. Its low-voltage operation reduces power consumption compared to 5V PROMs, while the compact SOIC-8 package saves board space.

XC1765ELSO8C Applications

• FPGA Configuration: Stores boot code for AMD/Xilinx FPGAs in industrial controls, telecom, and test equipment.
• Embedded Systems: Secures calibration data or firmware in medical devices, automotive modules, and aerospace subsystems.
• Legacy Hardware Maintenance: Replaces or supports obsolete PROMs in military and avionics systems requiring long-term stability.
• Prototyping: Used in development phases where OTP ensures design finalization without accidental overwrites.

Conclusion of XC1765ELSO8C

The XC1765ELSO8C is a specialized OTP PROM offering high reliability, low-voltage operation, and compact form factor for FPGA and embedded applications. While obsolete, its enduring design makes it a pragmatic choice for legacy upgrades or systems demanding unalterable memory. Engineers valuing data permanence, power efficiency, and proven performance will find this device a robust solution for critical configurations.