AT28HC256-70JC

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The AT28HC256-70JC is a dynamic random access memory (DRAM) chip with 256K memory storage. It is the higher memory capacity of the 28-pin DIP-ie SRAM chips and one of 28HC256 operating voltage range from 2.4V to 3.6V, that conserves energy and ensure compatibility without sacrificing performance.

As a member of 28HC256 family, the AT28HC256-70JC is a high-performance memory device that can operate at a frequency of 70MHz. The device is available in a 28-pin dual in-line plastic 400mil package. With its large memory capacity, the AT28HC256-70JC can store large amounts of data, making it ideal for applications such as data logging, instrumentation control, and communications systems, and more.

In terms of application fields, the AT28HC256-70JC can be used in a variety of applications. In telecommunication systems and data communications, it is used to provide a reliable and efficient data storage system. In medical applications, it is used to store medical images and patient records. In aerospace fields, the AT28HC256-70JC can be used for Flight Control Systems and Avionics Systems.

In terms of the working principle of AT28HC256-70JC, it is a dynamic random access memory (DRAM) chip. This means that it works by storing charge on a capacitor, and that charge must be “refreshed” periodically in order for the data to be retained. The capacitor is connected to a row of transistors which act as a switch between the capacitor and the data bus. The transistors are activated by an address signal to transmit the data onto the bus.

In order to store and access data, the AT28HC256-70JC DRAM chip uses an array of memory cells. Each memory cell consists of a single capacitor and a single transistor. The capacitor stores the data while the transistor acts as a switch between the capacitor and the data bus. The address signal is used to activate the transistor and thus allow the data to be written or retrieved.

Finally, the AT28HC256-70JC is able to retain data for a long time (about 10 years) without needing to be refreshed. This is mainly due to its high-density memory cells and its low power consumption. With its high performance and low power consumption, the AT28HC256-70JC is an ideal choice for all types of applications.

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