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ST24LC21BM6TR from ST,ST Microelectronics

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ST24LC21BM6TR

Manufacturer: ST

1KB (X8) DUAL MODE SERIAL EEPROM FOR VESA PLUG & PLAY

Partnumber Manufacturer Quantity Availability
ST24LC21BM6TR ST 2000 In Stock

Description and Introduction

1KB (X8) DUAL MODE SERIAL EEPROM FOR VESA PLUG & PLAY The ST24LC21BM6TR is a 2-Kbit serial I2C bus EEPROM manufactured by STMicroelectronics.  

### **Specifications:**  
- **Memory Size:** 2 Kbit (256 x 8)  
- **Interface:** I2C-compatible (2-wire)  
- **Operating Voltage:** 1.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Write Cycle Time:** 5 ms (max)  
- **Write Endurance:** 1 million cycles  
- **Data Retention:** 40 years  
- **Package:** SOT23-5  

### **Descriptions & Features:**  
- **Low Power Consumption:** Suitable for battery-powered applications.  
- **Page Write Buffer:** 16-byte page write capability.  
- **Hardware Write Protection:** WP pin for protecting memory contents.  
- **Random & Sequential Read Modes:** Supports flexible data access.  
- **Extended Temperature Range:** Reliable operation in harsh environments.  
- **AEC-Q100 Qualified:** Suitable for automotive applications (if applicable).  

This EEPROM is commonly used in industrial, consumer, and automotive applications for storing configuration data.

Application Scenarios & Design Considerations

1KB (X8) DUAL MODE SERIAL EEPROM FOR VESA PLUG & PLAY

Alternative Part Number

  • 24LC21A-I/SN --: Pin-compatible serial EEPROM in the same 24LC21 family with equivalent I2C interface and memory density, widely available from Microchip.
  • AT24C21-10SC --: Direct functional equivalent I2C serial EEPROM with matching 1Kbit density and DIP/SOIC options, suitable drop-in replacement.
  • CAT24C21WI-GT3 --: I2C serial EEPROM with comparable 1Kbit organization and voltage range, offered in SOIC package as a cost-effective alternative.

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