The part number **AUSDH8GUI1-R** refers to a **High-Endurance microSDHC UHS-I Card** manufactured by **ADATA**. This specific component is designed for industrial or high-intensity consumer applications. --- ### 1. Technical Specifications The following table breaks down the electronic and performance characteristics of the component: | Feature | Specification | | :--- | :--- | | **Capacity** | 8GB | | **Flash Type** | MLC (Multi-Level Cell) NAND Flash | | **Speed Class** | Class 10 / UHS-I (U1) | | **Read Speed** | Up to 80 MB/s | | **Write Speed** | Up to 10 MB/s (sustained minimum) | | **Operating Voltage** | 2.7V to 3.6V | | **Operating Temp** | -25°C to 85°C | --- ### 2. Key Electronic Features * **Error Correcting Code (ECC):** It includes integrated hardware ECC to automatically detect and fix data transmission errors, ensuring data integrity over long-term use. * **Wear Leveling:** The internal controller utilizes algorithms to distribute write/erase cycles evenly across the flash memory cells, preventing premature failure of specific sectors. * **Durability Ratings:** * **Waterproof:** IPX7 rated (submerged 1 meter for 30 mins). * **Shock/Vibration:** Resistant to physical impact common in mobile or automotive environments. * **X-Ray Proof:** Immune to airport security X-rays (ISO7816-1 compliant). * **S.M.A.R.T. Support:** In specific industrial applications, the card can report its health status (remaining life) to the host device. --- ### 3. Application Use-Cases Due to its **MLC NAND** architecture (which is more durable than the standard TLC used in cheap consumer cards), this part is typically used in: 1. **Dash Cams & Surveillance:** Continuous loop recording requires high write endurance. 2. **Industrial PCs:** Operating systems for IoT devices or embedded controllers. 3. **Medical Equipment:** Reliable logging for diagnostic machinery. 4. **Automotive Systems:** Navigation and infotainment systems subject to temperature fluctuations. --- ### 4. Part Number Decoder (ADATA) | Segment | Meaning | | :--- | :--- | | **AU** | ADATA MicroSD | | **SDH** | Secure Digital High Capacity (SDHC) | | **8G** | 8 Gigabytes | | **UI1** | UHS-I Speed Grade 1 | | **-R** | Retail Packaging (or RoHS compliant variant) |