The **UB264BL-AF-P08-R** is a specific integrated circuit, typically categorized as a **USB High-Speed Switching Controller** or a specialized **USB Bridge/Interface** component, often manufactured by UTC (Unisonic Technologies Co., Ltd). --- ### 1. General Specifications Based on the part number nomenclature, here are the key technical details for this component: | Feature | Specification | | :--- | :--- | | **Primary Function** | USB 2.0 High-Speed Switching / Interface | | **Package Type** | SOP-8 (8-pin Surface Mount) | | **Operating Voltage** | 3.3V to 5.0V (Typical) | | **Data Rate** | Up to 480 Mbps (High Speed) | | **Compliance** | RoHS / Lead-Free | --- ### 2. Pin Configuration (P08 Package) The "P08" suffix refers to the 8-pin package. While the exact pinout can vary by manufacturer revision, a standard configuration for this series involves: 1. **VCC:** Power Supply Input. 2. **GND:** Ground Reference. 3. **D+ / D- (In):** High-speed differential data inputs. 4. **D+ / D- (Out):** High-speed differential data outputs. 5. **OE (Output Enable) / SEL (Select):** Control pins for switching states. --- ### 3. Part Number Breakdown The suffixing on electronic parts provides specific manufacturing data: * **UB264BL:** The base model number (Series identifier). * **AF:** Version or Grade (often denotes specific electrical tolerances or internal firmware versions). * **P08:** Package Type (8-pin Small Outline Package / SOP-8). * **R:** Tape and Reel packaging (standard for automated SMT assembly). --- ### 4. Typical Applications This part is commonly used in devices where USB signal routing is required between two different paths or where signal conditioning for USB 2.0 is necessary: * **USB Hubs:** Routing data between ports. * **Smartphones/Tablets:** Switching a single USB port between data transfer and charging protocols. * **PC Motherboards:** Managing internal USB headers. * **Portable Storage:** Interface bridge between the controller and the physical connector. --- ### 5. Technical Features * **Low On-Resistance:** Minimizes signal loss during high-speed data transmission. * **ESD Protection:** Usually includes built-in protection to prevent damage from static discharge on USB lines. * **Wide Bandwidth:** Specifically tuned to handle the 480Mbps requirement of USB 2.0 without significant jitter.