DESCRIPTION
The NX26F640C Serial Flash memory provide a storage solution for systems which are limited in power, pins, space, hardware and firmware resources. The NX26F640C is ideal for applications that store voice, images and data in a portable/mobile environment as well for down-loading code into controllers with embedded DRAM or SRAM.

FEATURES
• 64M-bit Serial Flash Memory
• Flash storage for systems with limited pins, space, and power
    - Ideal for high density serial code-download
    - Data, voice and image storage
    - Battery-operated products
• Nonvolatile Memory Technology
    - Single transistor EEPROM memory
    - 16,384 sectors of 522 bytes each
    - Sector erase/write time of 10 ms/sector (typical)
    - Ten year data retention
• 2-pin NXS2 Serial Interface
    - Simple clock and data interface
    - Easily interfaces to popular microcontrollers
    - Clock operation as fast as 16MHz
    - Cascade up to eight devices
• Ultra-low Power for Battery-Operation
    - Single 2.7-3.6V supply for Read, Erase/Write
    - 1 µA standby, 5 mA active (typical)
• Special Features
    - Two on-board 522-byte SRAM Buffers
    - Byte-level addressing
    - Configurable software write-protection
• Package Options
    - 32-pin TSOP (Type I)
    - Removable Cards and Modules