The document is a technical specification for a 64 Mbit flash memory chip, with a supply voltage of 1.8V.
It includes features such as synchronous and asynchronous read modes, fast programming options, multiple bank memory array, dual operations, block locking, security features, and a common flash interface.
The package includes an electronic signature and the device has 100,000 program/erase cycles per block.
The document also includes a summary description, logic diagram, signal names, VFBGA connections, bank architecture, memory map, signal descriptions, bus operations, command interface, and standard commands.