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The KSZ80 series is engineered to simplify board design while maintaining robust performance: Integrated Termination ksz80 ob s4lv02 datasheet
After cross-referencing thousands of forum posts and engineering notes, the search almost universally points to a custom-marked Microchip KSZ8081RNB PHY , used on specific industrial Ethernet boards, particularly from European or Asian automation suppliers. – The KSZ80 series is engineered to simplify
I searched for , but was unable to find a direct match in standard public datasheet databases (e.g., from Texas Instruments, Analog Devices, Microchip, Infineon, or major memory manufacturers). used on specific industrial Ethernet boards
Manufactured by Microchip Technology (acquired from Micrel), this chip is favored for its low power consumption, small footprint, and integrated termination resistors, which reduce the overall Bill of Materials (BOM) cost.