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M24256-WMW6T from ST,ST Microelectronics

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M24256-WMW6T

Manufacturer: ST

256KBIT AND 128KBIT SERIAL I²C BUS EEPROM WITHOUT CHIP ENABLE LINES

Partnumber Manufacturer Quantity Availability
M24256-WMW6T,M24256WMW6T ST 5900 In Stock

Description and Introduction

256KBIT AND 128KBIT SERIAL I²C BUS EEPROM WITHOUT CHIP ENABLE LINES The M24256-WMW6T is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
STMicroelectronics  

### **Part Number:**  
M24256-WMW6T  

### **Description:**  
The M24256-WMW6T is a 256-Kbit (32K x 8) serial I²C-compatible EEPROM with a wide voltage range and high endurance.  

### **Key Features:**  
- **Memory Size:** 256 Kbit (32,768 x 8 bits)  
- **Interface:** I²C-compatible (2-wire serial interface)  
- **Supply Voltage:** 1.7V to 5.5V (wide voltage range)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Write Cycle Time:** 5 ms (maximum)  
- **Endurance:** 4 million write cycles  
- **Data Retention:** 200 years  
- **Page Write Buffer:** 64 bytes  
- **Clock Frequency:** Up to 1 MHz (I²C Fast-mode Plus)  
- **Packages:** SO8, TSSOP8, UFDFPN8  

### **Additional Features:**  
- Hardware write protection  
- Sequential read function  
- Software write protection (partial or full memory)  
- Low power consumption  

This information is based on STMicroelectronics' official datasheet for the M24256-WMW6T. For detailed electrical characteristics and application notes, refer to the manufacturer's documentation.

Application Scenarios & Design Considerations

256KBIT AND 128KBIT SERIAL I²C BUS EEPROM WITHOUT CHIP ENABLE LINES

Alternative Part Number

  • 24LC256-I/SN --: 256 Kbit I2C serial EEPROM in SOIC-8, same memory density and interface, widely available and pin-compatible with the ST part.
  • CAT24C256WI-GT3 --: 256 Kbit I2C EEPROM in SOIC-8 with comparable voltage range and timing, suitable drop-in replacement for the M24256 series.
  • AT24C256C-SSHM-T --: 256 Kbit I2C EEPROM in SOIC-8, functionally equivalent to the ST M24256-WMW6T with similar speed and endurance.
  • AT24C256C-SSHL-T --: 256 Kbit I2C EEPROM in SOIC-8, functionally equivalent with 1.7V-5.5V operation, suitable as a drop-in replacement in most designs.

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