S4LV02 — This strongly resembles an SRAM part number pattern:
Search for "S4LV02 configuration" in the OEM’s support portal. If this chip is on a board from Siemens, Wago, Beckhoff, or National Instruments, you need their specific hardware manual, not the PHY datasheet.
If you have a physical chip with this marking:
S4LV02 — This strongly resembles an SRAM part number pattern:
Search for "S4LV02 configuration" in the OEM’s support portal. If this chip is on a board from Siemens, Wago, Beckhoff, or National Instruments, you need their specific hardware manual, not the PHY datasheet. ksz80 ob s4lv02 datasheet
If you have a physical chip with this marking: S4LV02 — This strongly resembles an SRAM part