AT28C64B-15JU-235 Integrated Circuits (ICs)

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The AT28C64B-15JU-235 is a 8K x 8 non-volatile EPROM (Electrically Programmable Read Only Memory). This kind of memory is designed to used as a storage medium for code, data and programs used in embedded systems and other special-purpose computing applications.

The AT28C64B-15JU-235 contains 8192 bytes of memory in eight banks of 1024 each. Each byte can hold one of 256 possible values, ranging from 0 to 255. It is a low voltage device, with a read voltage range of 2.7 to 6.0V and a programming voltage range of 12.0 to 13.5V.

One of the most useful features of the AT28C64B-15JU-235 is its energy-efficient operation. It does not require an active power supply for normal read operations, and only consumes 2.5mA during programming activity. This makes it an attractive alternative to other forms of volatile memory, such as DRAM and SRAM, as it can operate for extended periods of time without drawing a large amount of power.

In practical application, the AT28C64B-15JU-235 is used in a wide range of embedded systems, ranging from consumer electronics to medical devices. When used as a storage medium, it has very low refresh times, making it ideal for systems where the data must be retained over long periods of time.

The working principle of the AT28C64B-15JU-235 is based on the MOS (Metal Oxide Semiconductor) technology. It utilizes a floating-gate structure, which allows electrons to be held in the gate regardless of the voltage or current applied to the transistor, thus making it a non-volatile memory. The device can be programmed and erased electrically, providing a reliable and accurate storage solution.

In conclusion, the AT28C64B-15JU-235 is a reliable and practical non-volatile EPROM that is suitable for a wide range of applications. Its low power consumption, easy programming and high-speed refresh make it an ideal choice for embedded systems and other special-purpose computing applications.

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