SST39SF040-55-4C-WHE

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SST39SF040-55-4C-WHE is a type of memory. It is a form of non-volatile memory which means it retains stored data even after power has been removed. The memory typically uses electrically erasable programmable memory (EEPROM) or Flash memory, or a combination of the two.

In the case of the SST39SF040-55-4C-WHE, it is an EEPROM type of memory with a 0.45 micron square chip that contains 8Mbits of linear code execution space and 16K bytes of on-chip program memory. It is designed with a maximum write speed of 10 microseconds per word. The device has a serial data bus which is compliant with the SPI standard.

The main application field for the SST39SF040-55-4C-WHE is in embedded systems. It is used in a variety of industrial applications such as factory automation, access control systems, data storage for medical systems and portable devices such as PDAs and cell phones. It is also used in automotive components such as ECU and body electronics.

Working Principle

When power is applied to the SST39SF040-55-4C-WHE memory, it begins to execute code which is stored in its program memory. This is done by the micro-controller included with the device. When large amounts of data need to be stored, the micro-controller can access the linear code execution space directly and store up to 8Mbits of data.

The SST39SF040-55-4C-WHE is designed with a read/write controller that allows users to communicate with the memory device using SPI or I2C protocols. This makes it possible to write data to and read data from the memory. The write operations uses an internal write-protect mechanism that prevents unintentional data corruption due to improper power cycling. The memory also features a programmable in-system error correction code (ECC) for improved data integrity and reliability when transferring data.

The SST39SF040-55-4C-WHE is designed to work at maximum write speeds of 10 microseconds per word, and a maximum read speed of 2.8 microseconds per word. This makes the memory suitable for a variety of embedded applications, as it is capable of quickly storing and retrieving data.

In conclusion, the SST39SF040-55-4C-WHE is a type of memory which is mainly used in embedded systems. It features an 8Mbits of linear code execution space, 16K bytes of on-chip program memory and a read/write controller for communication with other devices. It offers superior write speeds and has an internal write protect mechanism for increased reliability. The ECC on the device ensures data integrity and reliability when transferring data.

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