You can download the official datasheet directly from the manufacturer's website:
If you can share a of the chip marking and package, I can likely identify it exactly. Would you like help searching a specific manufacturer database instead? ksz80 ob s4lv02 datasheet
Interrupt pin option. Programmable LED outputs for link, activity and speed. ESD rating (6kV) 32-pin QFN (5mm x 5mm) 48-pin LQFP ( Microchip Technology KSZ8081MNX/RNB Data Sheet - Microchip Technology You can download the official datasheet directly from
(Reduced Media Independent Interface) for flexible integration with various MAC controllers. : Typically available in small-footprint packages like the 48-pin LQFP Programmable LED outputs for link, activity and speed
Operates on a single 3.3V supply, featuring an integrated 1.2V LDO regulator for the core.
: Features standard power-down and Energy-Detect Power-Down , which reduces consumption when the link is idle. Summary of Specifications Specification Speed 10Base-T/100Base-TX (10/100 Mbps) Interface MII (MNX version) or RMII v1.2 (RNB version) ESD Protection ±6 kV (HBM) on MDI pins Package 32-pin QFN (5mm x 5mm) Operating Temp