CAT28F020LI12

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Memory Type:	Non-Volatile
Memory Format:	FLASH
Technology:	FLASH
Memory Size:	2Mb (256K x 8)
Write Cycle Time - Word, Page:	120ns
Access Time:	120ns
Memory Interface:	Parallel
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Through Hole
Package / Case:	32-DIP (0.600", 15.24mm)
Supplier Device Package:	32-PDIP
Base Part Number:	CAT28F020

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Introduction

CAT28F020LI12 is a low-power Flash memory device designed to meet product design cycle requirements for mass production of consumer electronics and networking applications. The device combines high density, high speed and low power, making it suitable for a variety of consumer and networking applications. This document introduces the application field and working principles of the device.

Application Field

CAT28F020LI12 offers a wide range of applications for various consumer electronics and networking products. For example, it can be used for mass storage of audio, video and image data; it can also be used for the storage of system configuration or non-volatile data in consumer or networking products. Some of the key applications include:

• Smartphones
• Tablets
• Android devices
• PCs and laptops
• Internet of Things (IoT) devices
• Routers and networking equipment
• Game consoles
• Servers
• Digital audio players
• Digital video players
• Digital cameras

In addition, the CAT28F020LI12 can also be used to design a wide range of embedded applications such as wireless security, industrial automation and automated control systems.

Working Principle

The CAT28F020LI12 is a flash memory device that uses a single-transistor floating gate cell structure to store data. The device is composed of multiple single-transistor cells interconnected in a unique architecture. Each memory cell has the capability to store one bit of data.When an electric field is applied to the floating gate, electrons are injected or removed from the gate, thereby changing the electrical characteristics of the cell. This change in the electrical characteristics remains even after the electric field is removed. This phenomenon is known as “floating gate retention” and is the basis of the non-volatile memory found in the CAT28F020LI12.The CAT28F020LI12 is capable of performing a variety of operations and can be divided into two categories: program/erase and read operations. The program/erase operations are used to write data to and erase data from the device. The program operation writes data to the memory cell by applying a program voltage to the cell. During the erase operation, the electrons stored on the floating gate are removed by applying an erase voltage to the cell.Read operations are used to retrieve the data stored in the memory cell. The read operation reads the data from the memory cell by sensing the voltage difference from one cell to the adjacent cell.

Conclusion

CAT28F020LI12 is a low-power flash memory device that offers a wide range of applications for various consumer electronics and networking products. It uses a single-transistor floating gate cell structure to store data. The device is capable of performing a variety of program/erase and read operations to write data to and erase data from the device. The device is suitable for a variety of consumer and networking applications, such as smartphones, tablets, PCs, servers, routers and digital audio/video players.

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