Join will join the given memory devices into a single device.

NewAT24C01 creates a AT24C01-compatible Pager.

NewAT24C01A introduced an 8-byte page size (as opposed to the original 4-byte page size) Future versions (B,C,D etc...) should be compatible and use this.

MultiPager is a memory device that can be composed of multiple memory devices.

Pager is a memory device that can be used to read and write to pages of memory.