Renesas Electronics Corporation 20-SOIC 74FCT521ATSOG

The part number 74FCT521ATSOG refers to a digital component likely manufactured by IDT (Integrated Device Technology) or RENESAS, as per different sources. This device is part of the 74FCT series, which typically includes high-speed CMOS logic circuits. It's possibly a dual 4-bit magnitude comparator, used for comparing two binary words. The "ATSOG" suffix often indicates specific packaging and temperature range characteristics. Pricing and detailed specifications can be found on B2B platforms like Alibaba and technical resources such as datasheets are available on electronics component websites for procurement and design purposes. However, exact details may vary, and it's recommended to consult the latest manufacturer datasheet for accurate information.