The product's shade and actual color may differ from what is shown in the picture, as the images are for illustrative purposes. The product description is general and may not include all the product's features.
Memory Card Additional EEPROM Memory - I2C Qwiic - 512kb - SparkFun COM-18355
3750322 AN-20236
5904422352233
Shipping 11-18 b.d.
All about the product
The board was created by SparkFun, featuring additional CAT24C512 EEPROM memory. The board with 512 kb EEPROM can be used with modules that do not have built-in RAM, such as SAMD21 chips. The module with EEPROM can store GPS data and user settings that need to be preserved between sketch uploads. The module uses the I2C interface for communication via the Qwiic connector or the board wires.
Specifications:
- Chip: CAT24C512
- Supply voltage: 3.3 V
- Capacity: 512 kb
- Current consumption:
- during read: 1 mA
- during write: from 1.8 mA to 2.5 mA
- Write buffer: 128 b
- Endurance: 1,000,000 programming / erase cycles
- Data retention: up to 100 years
- Write protection
- I2C address (7 bits):
- default: 0x50
- configurable: 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57
- 2 x Qwiic connectors








