AT28LV256-25JC

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When it comes to computers, memory is a critical component. It\'s the part of the machine that stores data, temporarily or permanently. The AT28LV256-25JC is a type of memory chip used in a wide variety of electronic devices. This article will explore its application fields and working principle.

The AT28LV256-25JC is a CMOS (Complementary Metal-Oxide Semiconductor) static random-access memory (SRAM) chip. It is a non-volatile memory device, meaning it can retain information without a constant power supply. This makes it ideal for applications that require reliable data storage over long periods of time.

The AT28LV256-25JC is a 32K x 8-bit memory chip. It has an access time of 25 nanoseconds, or 25 billionths of a second. Its power consumption is typically a maximum of 40 mW, making it one of the less power-hungry memory chips available today.

The uses for this type of memory chip are widespread. It can be found in consumer electronics, office equipment, medical devices, instrumentation, and embedded systems. It is commonly used for applications such as code storage, data storage, buffer memory, and display memory.

Now that we have explored the applications of the AT28LV256-25JC, let\'s take a look at how it works. As a static RAM device, it has two sets of memory cells, each with their own access circuitry. When a memory location is addressed, the appropriate set of cells is selected and the information contained therein can be read or written. This is done through two buses, each containing 8 bits of data, that connect to a system controller.

The AT28LV256-25JC also features an address counter with four address inputs. This allows the entire memory space to be accessed with a single cycle. Additionally, the chip contains a self-timing write cycle, which allows the chip to adjust to different system clock speeds and ensures data is stored correctly. Finally, it also has a deselect input, which can be used to deactivate the chip in order to conserve power.

In conclusion, the AT28LV256-25JC is a versatile, low-power memory chip used in a variety of applications. Its non-volatile nature makes it ideal for long-term data storage and its fast access time makes it well suited for retrieving real-time information. Additionally, its self-timing write cycle ensures data is stored reliably, even with different system clock speeds. Overall, the AT28LV256-25JC is a great memory chip for embedded and consumer electronics applications.

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