MT29F4G08ABBFAH4-IT:F is part of the Micron MT29F family.
The device is specified at Asynchronous parallel NAND; ONFI 1.0 compliant.
Its series is described as follows: Parallel NAND flash provides high-density non-volatile storage over a wide interface.
The part appears in embedded storage and industrial equipment.
What matters here is the industrial screening: the same board can go into a cabinet without a second qualification cycle.
Within the family, this ordering code is the one specified for 4 Gb density.
The memory technology is SLC NAND Flash.