AT49F002NT-90VI

Series:	--
Packaging:	Tray
Part Status:	Obsolete
Memory Type:	Non-Volatile
Memory Format:	FLASH
Technology:	FLASH
Memory Size:	2Mb (256K x 8)
Write Cycle Time - Word, Page:	50µs
Access Time:	90ns
Memory Interface:	Parallel
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C (TC)
Mounting Type:	Surface Mount
Package / Case:	32-TFSOP (0.488", 12.40mm Width)
Supplier Device Package:	32-VSOP
Base Part Number:	AT49F002

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Introduction

AT49F002NT-90VI is a type of memory, with a specific application field and working principle. Memory is an essential element of most electronic systems, and is a vital component in the transmission and storage of information. Memory plays an important role in almost all electronic devices. The AT49F002NT-90VI memory is a Non-volatile memory based on CMOS technology, which originated in the early 1990s.

Application Field

The AT49F002NT-90VI is suitable for a wide range of applications, including embedded applications, automobiles, industrial systems, and networking applications. Due to its high read/write speed and small size, it is commonly used in microcontrollers, where it is used to store data. It is also used as a working memory in FPGAs, as well as in monitors, keypad drivers, and calculators. It is also used for prompt and non-volatile data storage, for applications such as digital audio playback and software programs. Due to its high flexibility, the AT49F002NT-90VI is used in a large variety of applications, and is an essential component for many projects.

Working Principle

AT49F002NT-90VI memory is based on a process called Fowler-Nordheim (F-N) tunneling. This is a physical process wherein electrons tunnel through a very thin layer of insulation. This tunneling process is what allows data to be stored in the memory, without the need for constant power or refreshing. This is why the memory is classified as non-volatile. It also has the advantage of very fast read/write times, compared to other types of memories.The AT49F002NT-90VI memory is also capable of simultaneously executing several different memory access commands, thus making it efficient in terms of time and power consumption. The integrated functionality of the AT49F002NT-90VI also allows the design of embedded systems with a higher degree of safety and security, as these memory components can be programmed to shut down in the event of an unexpected system failure.

Conclusion

In conclusion, the AT49F002NT-90VI is a versatile and reliable type of memory. It can be used in a wide range of applications, including embedded applications, automobiles, industrial systems, and networking applications. Its non-volatile technology allows it to store data without the need for refreshes or power, and its fast read/write speeds make it efficient in terms of time and power consumption. Additionally, it provides an integrated safety and security system for embedded systems.

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