Ksz80 Ob S4lv02 Datasheet Jun 2026

In semiconductor marking, "OB" is rarely a model number. Instead, it typically represents:

The (such as the popular Microchip KSZ8081 and Microchip KSZ8041 families) represents a standard line of single-chip 10Base-T/100Base-TX Ethernet Physical Layer (PHY) transceivers. When looking for specialized component variants, engineer notations like "ksz80 ob s4lv02" typically refer to internal manufacturer lot strings, custom programming profiles, or specific factory packaging tracking codes found on the physical chip casing or shipping reels.

"OB" might stand for "Optical Bi-directional" and "S4LV02" could be an internal laser driver identifier for an SFP (Small Form-factor Pluggable) module using a KSZ Ethernet controller. This is common in fiber media converters.

KSZ80_0B_S4LV0.2 (sometimes written with underscores or hyphens as KSZ80-0B-S4LV0.2).

Tracing signals on the board requires checking key check-points (TP) usually silkscreened directly onto the surface of the PCB: Test Point Symbol Expected Voltage (Typical) Functional Role +12.0 V DC (or +3.3V) Main supply voltage from the T-CON / Mainboard assembly VGH / VON +20.0 V to +32.0 V DC ksz80 ob s4lv02 datasheet

If you physically have the chip:

The identifier refers to a specific Scaler PCB Board (also known as a Panel Scaler) used in the internal circuitry of various LED and LCD televisions.

: Choose between MII (e.g., KSZ8081MNX) or RMII (e.g., KSZ8081RNB) based on your MAC processor. Clocking Configuration

: Contains step-up regulators and charge pumps to convert baseline system power into specific sub-voltages. It establishes high gate voltages ( VGH ) to switch on pixels and low gate voltages ( VGL ) to turn them off. In semiconductor marking, "OB" is rarely a model number

Functional block diagram

: Covers the 10Base-T/100Base-TX transceivers with MII/RMII interfaces. KSZ8091MNX/RNB Data Sheet

Supported by the KSZ8081MNX and MLX variants.

Bonus (optional, 10 points) 17. (10 pts) Create a short lab exercise to characterize the device’s power consumption vs "OB" might stand for "Optical Bi-directional" and "S4LV02"

Used in gaming consoles, TVs, and set-top boxes requiring reliable fast Ethernet. 4. Understanding RMII and Diagnostic Features

This part of the code strongly points to the , designed to enable Ethernet communication for devices like microcontrollers or processors.

Because "KSZ80 OB S4LV02" appears ambiguous or possibly truncated, treat the above as a structured guide to what an official datasheet would contain and how to proceed. For a precise datasheet, provide the exact marking from the chip (full line of text), the package type, or an image of the IC; with that I can help locate the manufacturer datasheet or recommend close substitutes.