## Overview of M95320-RMB6TP The **M95320-RMB6TP** is a 32-Kbit serial SPI (Serial Peripheral Interface) EEPROM (Electrically Erasable Programmable Memory) manufactured by **STMicroelectronics**. It is designed for high-reliability applications requiring non-volatile storage in a compact footprint. --- ### Technical Specifications The following table outlines the primary electrical and mechanical characteristics of the component: | Feature | Specification | | :--- | :--- | | **Memory Size** | 32 Kbit (4096 x 8 bits) | | **Interface** | SPI (Mode 0 and Mode 3) | | **Max Clock Frequency** | 20 MHz (at 4.5V - 5.5V) | | **Operating Voltage (Vcc)** | 1.8V to 5.5V | | **Package Type** | UFDFPN8 (MLP8) | | **Operating Temperature** | -40°C to +85°C | | **Write Cycles** | 4 Million cycles | | **Data Retention** | 200 Years | --- ### Key Electronic Features 1. **SPI Bus Compatibility**: It uses a standard 4-wire interface (Serial Clock, Chip Select, Serial Data In, Serial Data Out). 2. **Byte and Page Write**: Supports writing a single byte or a page of up to 32 bytes. 3. **Hardware & Software Protection**: * **Write Protect Pin ($\bar{W}$)**: Prevents write operations to the status register. * **Hold Pin ($\bar{HOLD}$)**: Allows pausing serial communication without deselecting the device. * **Software Protection**: Block protection (quarter, half, or entire memory array). 4. **Low Power Consumption**: Optimized for battery-powered devices with low standby current. --- ### Pin Configuration (UFDFPN8) | Pin Number | Name | Description | | :---: | :--- | :--- | | 1 | $\bar{S}$ | Chip Select | | 2 | Q | Serial Data Output | | 3 | $\bar{W}$ | Write Protect | | 4 | Vss | Ground | | 5 | D | Serial Data Input | | 6 | C | Serial Clock | | 7 | $\bar{HOLD}$ | Hold Input | | 8 | Vcc | Supply Voltage | --- ### Part Number Breakdown: `M95320-RMB6TP` * **M95**: SPI family of EEPROMs. * **320**: 32 Kbit density. * **-R**: Range of operating voltage (1.8V to 5.5V). * **MB**: UFDFPN8 package (2x3 mm). * **6**: Industrial temperature range (-40°C to 85°C). * **TP**: Tape and Reel packaging.