24C128 128Kbit I2C Serial EEPROM, DIP-8
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Prices updated: 12 Oct 2026
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About this product
The 24C128 is a 128 Kbit (16K x 8) serial CMOS EEPROM with an I2C two-wire interface. It provides a larger non-volatile storage option for data logging, configuration or user settings in microcontroller projects. Its 8-pin DIP package makes it easy to use on breadboards and in prototypes.
Specifications
- Capacity
- 128 Kbit
- Organization
- 16K x 8
- Interface
- I2C (2-wire)
- Package
- 8-pin DIP
Frequently asked questions
Can I use it with an Arduino or ESP32?
Yes. Connect SDA and SCL to the I2C pins of the board, add pull-up resistors if your module does not have them, and use the Wire library on Arduino or the I2C driver on ESP32.
How do I connect more than one EEPROM on the same bus?
Use the A0, A1 and A2 pins to give each chip a unique I2C address. All chips share the SDA and SCL lines.
