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ST24LC21 from ST,ST Microelectronics

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ST24LC21

Manufacturer: ST

1Kb (x8) DUAL MODE SERIAL EEPROM for VESA Plug&Play

Partnumber Manufacturer Quantity Availability
ST24LC21 ST 21 In Stock

Description and Introduction

1Kb (x8) DUAL MODE SERIAL EEPROM for VESA Plug&Play The **ST24LC21** is a 1-Kbit (128 x 8) serial I²C EEPROM manufactured by **STMicroelectronics**.  

### **Key Specifications:**  
- **Memory Size:** 1 Kbit (128 bytes)  
- **Interface:** I²C-compatible (2-wire serial interface)  
- **Operating Voltage:** 1.8V to 5.5V  
- **Write Cycle Time:** 5 ms (max)  
- **Endurance:** 1 million write cycles  
- **Data Retention:** 40 years  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** SO8, TSSOP8  

### **Features:**  
- **Low Power Consumption:**  
  - Standby current: <1 µA  
  - Active current: <1 mA (read/write)  
- **Page Write Mode:** Up to 16 bytes per write cycle  
- **Built-in Write Protection:** Hardware and software protection options  
- **Sequential Read Function:** Allows fast data retrieval  
- **A0 Address Pin:** Supports device addressing in multi-device configurations  

The **ST24LC21** is designed for applications requiring reliable non-volatile memory with low power consumption, such as consumer electronics, industrial systems, and embedded devices.

Application Scenarios & Design Considerations

1Kb (x8) DUAL MODE SERIAL EEPROM for VESA Plug&Play

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