JS28F512M29EWHA

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JS28F512M29EWHA Memory Application Field and Working Principle

JS28F512M29EWHA is a single chip non-volatile NOR type Flash memory chip with a memory capacity of 8Mbit. It is suitable for a wide range of applications, such as automotive electronics, industrial automatic control, communication equipment, consumer electronics, computer peripherals and office automation products.

The chip is composed of two parts: the main control unit and the memory cells. The main control unit consists of address memory module, command register, timing control logic, write-protect circuit, reset circuit, status registers, flexible output logic and other components. The memory cells are organized into 16 sectors, each sector has 16 blocks, each block has 64 pages, and each page has 512 bytes.

Read Operations

In read operations, the JS28F512M29EWHA memory can provide an easy-to-use and secure data read interface. It sends out the requested data according to the memory address specified by an external controller, and the external controller can easily obtain the requested data through the data output port. In addition, the chip gains access to several additional features, such as sector lock and write protect functions, guaranteeing that the data stored in the memory is secure.

Program and Erase Operations

The steps for JS28F512M29EWHA program and erase operations are similar. When the address and data corresponding to the memory address have been written into the memory address and data registers respectively, the programming or erasing command is executed and the text process begins. The program or erase operation can be completed in as little as 6.4 microseconds.

Sector Lock and Write Protect

The JS28F512M29EWHA memory provides sector lock and write protect functions. The sector lock function locks particular sectors from the read and write operations. The write protect function enables user to write-protect certain sectors of the memory. These two functions can protect the data stored in the memory against unintentional or malicious access.

Conclusion

In conclusion, JS28F512M29EWHA is a single chip non-volatile NOR type Flash memory solution that provides an easy-to-use and secure data read interface. It guarantees a stable read/write speed since it is asynchronous and supports sector lock and write protect functions. Therefore, it’s suitable for applications in industrial automatic control, automotive electronics, communication equipment and more.

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