### M93C86-RMB6G Overview The **M93C86-RMB6G** is a high-performance, low-voltage **EEPROM** (Electrically Erasable Programmable Read-Only Memory) manufactured by **STMicroelectronics**. It belongs to the MICROWIRE bus interface family and is widely used for non-volatile data storage in industrial and consumer electronics. --- ### Technical Specifications The table below outlines the core technical parameters of the device: | Feature | Specification | | :--- | :--- | | **Memory Size** | 16 Kbit (2048 x 8 bits or 1024 x 16 bits) | | **Interface** | MICROWIRE (3-Wire Serial) | | **Operating Voltage** | 1.8V to 5.5V | | **Clock Frequency** | 2 MHz (at 4.5V) / 1 MHz (at 1.8V) | | **Package Type** | UFDFPN8 (MLP8) - Ultra-thin Fine Pitch Dual Flat No-lead | | **Operating Temp** | -40°C to +85°C | | **Write Cycles** | 4,000,000 Cycles (Endurance) | | **Data Retention** | 200 Years | --- ### Key Pin Functions The device uses a standard 8-pin layout, though the **RMB6G** suffix specifically refers to the ultra-thin UFDFPN package. 1. **S (Chip Select):** Activates the device when held high. 2. **D (Serial Data Input):** Used to transfer opcodes, addresses, and data. 3. **Q (Serial Data Output):** Used to read data out of the memory. 4. **C (Serial Clock):** Synchronizes all data transfers. 5. **ORG (Organization):** Sets the memory architecture (x8 or x16). 6. **Vcc/Vss:** Power supply and Ground. --- ### Part Number Breakdown: M93C86-RMB6G Understanding the suffix helps in identifying the specific physical and chemical properties of the chip: * **M93C86**: Base Part Number (16 Kbit MICROWIRE EEPROM). * **-R**: Operating Voltage range (1.8V to 5.5V). * **MB**: Package type (UFDFPN8, 2x3mm). * **6**: Temperature Range (-40 to +85°C). * **G**: ECOPACK2 (RoHS compliant, Lead-free, and Halogen-free). --- ### Applications Because of its high endurance and long data retention, the M93C86 is ideal for: * **Parameter Storage:** Storing calibration data or user preferences. * **Medical Devices:** Reliable logging of patient settings. * **Industrial Control:** Storing configuration constants that rarely change. * **Automotive:** Used in non-safety critical systems like infotainment or seat memory.