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M93S56-MN6T from STMicroelectronics,ST Microelectronics

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M93S56-MN6T

Manufacturer: STMicroelectronics, ST

4Kbit, 2Kbit and 1Kbit (16-bit wide) MICROWIRE Serial Access EEPROM with Block Protection

Partnumber Manufacturer Quantity Availability
M93S56-MN6T,M93S56MN6T STMicroelectronics, ST 618 In Stock

Description and Introduction

4Kbit, 2Kbit and 1Kbit (16-bit wide) MICROWIRE Serial Access EEPROM with Block Protection The **M93S56-MN6T** is a **2-Kbit (256 x 8) serial SPI bus EEPROM** manufactured by **STMicroelectronics**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Memory Size:** 2 Kbit (256 bytes)
- **Interface:** **SPI (Serial Peripheral Interface)**
- **Supply Voltage:**  
  - **1.8V to 5.5V** (wide voltage range)
- **Operating Temperature Range:**  
  - **-40°C to +85°C** (industrial grade)
- **Write Cycle Time:**  
  - **5 ms** (typical)
- **Data Retention:**  
  - **200 years** (minimum)
- **Endurance:**  
  - **4 million write cycles** per byte
- **Package:** **SO-8 (MN6T)**
- **Clock Frequency:**  
  - **Up to 5 MHz** (SPI clock speed)
- **Write Protect Feature:** Hardware and software protection

### **Descriptions:**
- The **M93S56-MN6T** is a **low-power, high-reliability** EEPROM with **SPI interface**.
- It supports **byte and page write** (up to 16 bytes per page).
- Features a **built-in error correction** mechanism for data integrity.
- Compatible with **standard SPI modes (0,0 and 1,1)**.

### **Features:**
- **Low Power Consumption:**  
  - Active current: **1 mA** (typical)  
  - Standby current: **1 µA** (typical)
- **SPI Modes Support:**  
  - Supports **Mode 0 (0,0) and Mode 3 (1,1)**
- **Hardware Write Protection:**  
  - **WP pin** for protection against accidental writes
- **Software Protection:**  
  - Block protection via **status register**
- **Industrial-Grade Reliability:**  
  - High endurance and long data retention
- **Small Form Factor:**  
  - **SO-8 package** for space-constrained applications

This EEPROM is commonly used in **automotive, industrial, and consumer electronics** for **data storage, configuration settings, and parameter storage**.

Application Scenarios & Design Considerations

4Kbit, 2Kbit and 1Kbit (16-bit wide) MICROWIRE Serial Access EEPROM with Block Protection

Alternative Part Number

  • AT93C56A-10SU-2.7 --: 3-wire serial EEPROM with 2Kbit density and similar SPI-like interface, widely available and pin-compatible in function.
  • CAT93C56VI-GT3 --: 2Kbit Microwire serial EEPROM offering comparable organization and voltage range, suitable drop-in functional replacement.
  • BR93L56RF-WE2 --: 2Kbit 3-wire serial EEPROM with similar command set and package options, good alternative when ST part is unavailable.

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