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M28256 from ST,ST Microelectronics

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M28256

Manufacturer: ST

256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection

Partnumber Manufacturer Quantity Availability
M28256 ST 1562 In Stock

Description and Introduction

256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection The part **M28256** is a **256-Kbit (32K x 8) serial I2C bus EEPROM** manufactured by **STMicroelectronics (ST)**.  

### **Key Specifications:**  
- **Memory Size:** 256 Kbit (32 KB)  
- **Interface:** I2C (Two-Wire Serial Interface)  
- **Operating Voltage:** 1.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Write Cycle Time:** 5 ms (typical)  
- **Data Retention:** 200 years (minimum)  
- **Endurance:** 4 million write cycles per byte  

### **Features:**  
- **Low Power Consumption:**  
  - Standby current: 1 μA (typical)  
  - Read current: 400 μA (typical)  
- **Page Write Buffer:** 64 bytes  
- **Software Write Protection:** Selectable partial or full memory protection  
- **Clock Frequency:** Up to 1 MHz (I2C Fast Mode Plus)  
- **Packages Available:** SO8, TSSOP8, UFDFPN8  

This EEPROM is commonly used in applications requiring non-volatile memory storage, such as industrial systems, consumer electronics, and automotive applications.

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