CY15B064J-SXE

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Memory

CY15B064J-SXE is a type of nonvolatile memory that combines flash memory with an EPROM (erasable programmable read-only memory). It is an ideal replacement for the traditional EPROM and can be used to store large amounts of data. It is used in a variety of applications, such as embedded systems, automotive, aerospace, industrial, and medical.

Application Field

CY15B064J-SXE is commonly used in applications that require reliable long-term storage in a compact form factor. These include embedded systems, automotive, aerospace, industrial, and medical applications. Additionally, CY15B064J-SXE is well suited for storing data and Boot code for system power-up, code storage for automotive systems, and code upgrades in field service applications.

Working Principle

The CY15B064J-SXE uses an EPROM cell containing a floating gate that is charged by a Fowler-Nordheim tunneling current across the thin oxide layer separating the gate from the substrate. The floating gate can be charged or discharged using Fowler-Nordheim tunneling current, allowing data to be stored in the EPROM cell. The data is nonvolatile and will remain even after power is removed from the device.

The memory also includes a low-power static RAM array that is used as a buffer during write operations. This allows data to be written at a faster speed than if it was written directly to the EPROM array. The static RAM array is also used to reduce power consumption when the memory is idle.

CY15B064J-SXE also includes an on-chip address decoder and write protection logic. These features ensure data integrity and security by preventing data corruption due to improper write operations. The write protection logic also allows the memory to be write-protected in areas and prohibits access to specific areas of the memory array.

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