AT28C17E-20SC

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AT28C17E-20SC is one of the most popular memory integrated circuits (ICs) available today. This IC has been used in a wide range of applications, from consumer electronics to telecommunications networks. The AT28C17E-20SC is a non-volatile memory device, meaning that the information stored in it is retained even when the power is turned off. It also uses a technology called Electrically Erasable Programmable Read-Only Memory (EEPROM), which allows for data to be written, modified or deleted without the need for special equipment or an external power source.

TheAT28C17E-20SC is designed for high-speed, low-power operation. It uses a 32K-bit memory cell array organized into 4,096 16-bit words. The memory cell array is organized into four banks of 1,024 words. This allows for fast transfer of data across the four banks, reducing the need for extra signals in a system. The device also includes a hardware-based write control circuit that prevents accidental writes to the memory.

The working principle of the AT28C17E-20SC is based on the EEPROM technology. EEPROM stands for Electrically Erasable Programmable Read-Only Memory and is a form of non-volatile memory that is programmable and erasable without an external power source. In this type of memory, the information stored is retained even when the power is turned off. To write to an EEPROM memory location, a voltage is applied to the gate of a transistor in the memory cell. This voltage causes the electrons to be deposited in the semiconductor material, creating a logic “1”. To erase the cell, the voltage applied to the gate is reduced and the electrons are removed from the gate, creating a logic “0”.

The AT28C17E-20SC memory has a wide range of applications from consumer electronics and automotive systems to industrial control and medical instruments. In consumer electronics, the memory is used for storing audio and video data, video game data, and digital audio signals. In automotive applications, the device is used to store navigation and control data. In industrial control, the device is used for storing process control parameters and memory mapping data. In medical instruments, the memory is used to store patient information and diagnostic data.

In conclusion, the AT28C17E-20SC is a popular non-volatile memory IC that is used in a wide range of applications. The memory is based on EEPROM technology, allowing data to be written, modified, or erased without special equipment or external power source. The device has a wide range of applications in consumer electronics, automotive systems, industrial control, and medical instruments.

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