Flash memory gaining popularity of the memory storage technology products. Non-Volatile system memory is flash memories that also manage the programs stored in the single chip. The main purpose of this technology is electrically deleting programs and writable re-programs.
With used in USB drives have small amount of memory levels from 128 megabytes to 8 gigabytes into computer as a supplement of the hard drive. Since this memory, offering highest performance levels, full guarantee to saving, writing, copying files, large storage capacity and bets circuit configurations. The cost of the flash memory chip is depending on the storage capacity models.
Flash Memory Chip- Principles

The major operating principle of flash memory devices is the storage capacity of electric charges in the MOSFET Gate insulator. All the flash memory information’s take single bit memory in an array of floating gate transistor, called “cells”. Each cells looks like to a standard MOSFET transistor. It offers quick read access moments and best shock resistance than hard disks. Apart from this, when the file capacity is to be modified then file system will make a new copy of the data’s changes.
Flash memory cards are also used in many digital products such as,
• Digital Cameras
• Camcorders
• Mobile Phones
• Laptop
• Audio Digital Recorder
• GPS
• PDAS

