The document provides preliminary information on a new product, the M28W640ECT and M28W640ECB 64 Mbit 3V Supply Flash Memory.
It includes details such as supply voltage, access time, programming time, memory blocks, security features, and electronic signature.
The document also includes a summary description, logic diagram, signal names, connections, block addresses, protection register memory map, signal descriptions, bus operations, command interface, and command codes.
The product is still in development and details are subject to change without notice.