Microchip Technology AT24C21-10SC-2.5

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AT24C21-10SC-2.5 - High-Performance 1Kbit I2C EEPROM Memory

The AT24C21-10SC-2.5 from Microchip Technology is a reliable 1Kbit (128 x 8) EEPROM memory chip designed for embedded systems requiring non-volatile data storage. This industry-standard I2C-compatible device operates at 100kHz clock frequency and supports a wide voltage range of 2.5V to 5.5V, making it ideal for battery-powered applications, industrial controls, and consumer electronics.

Key Features & Benefits

  • 1Kbit Storage Capacity: 128 bytes organized as 128 x 8 bits for flexible data management
  • I2C Interface: Industry-standard two-wire serial communication for easy integration
  • Wide Voltage Range: 2.5V to 5.5V operation ensures compatibility with various systems
  • Fast Access Time: 3.5 µs access time for quick data retrieval
  • Surface Mount Package: 8-SOIC package (3.90mm width) for compact PCB designs
  • Extended Temperature Range: Operates reliably from 0°C to 70°C
  • Low Power Consumption: Ideal for portable and battery-operated devices

Applications

This EEPROM memory chip is perfect for storing configuration data, calibration parameters, user settings, and small datasets in applications such as:

  • Industrial automation and control systems
  • Consumer electronics and smart home devices
  • Medical equipment and instrumentation
  • Automotive electronics
  • IoT sensors and edge computing devices
Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Tube |
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 1Kbit
Memory Organization 128 x 8
Memory Interface I2C
Clock Frequency 100 kHz
Write Cycle Time - Word, Page 10ms
Access Time 3.5 µs
Voltage - Supply 2.5V ~ 5.5V
Operating Temperature 0°C ~ 70°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC