32 Kb memory with byte wide random access.
The peripheral interface is I2C based and operates at either 3.3V or 5V. I2C lines are sharable and may be stacked with other I2C peripherals. The default address can be reconfigured by removing one or more of the three address jumpers on the peripheral board (jumpers short associated address lines to ground). Refer to 24AA256 datasheet for additional details.