AT45DB642-TC

Memory

The AT45DB642-TC is a high-capacity Snadisk-compatible Serial Flash memory product available in 8mm x 11mm, 8-lead DFN or 8-pad UDFN packages. It serves as a non-volatile storage solution for system developers, featuring a low supply current, fast serial interface, and extended temperature range. It can hold up to 8M byte of serial memory, making it an ideal data storage solution for applications that require robust connectivity.

Application Field

The AT45DB642-TC is ideal for applications requiring low power consumption, robust connectivity, and a wide variety of serial peripheral interfaces. This type of memory is often used in a variety of applications, including mobile devices, consumer electronics, embedded systems, industrial control systems, communications subsystems, automotive applications, digital rights management (DRM) systems, and many more.

Working Principles

The AT45DB642-TC utilizes a serial protocol that simplifies system design and provides optimized speed. It also features a block erase architecture and a status register system to support transaction-type programming and to provide system integrity. The built-in wear leveling algorithm supports continuous write cycles and optimizes memory usage. The Advanced Sector Protection feature offers a high degree of data security, giving the user the freedom to store intractable data without fear of overwrite or data loss.

The AT45DB642-TC also offers high speed read and write operations, as well as a DataFlash page read/write access. The device is also compatible with the industry standard Serial Peripheral Interface (SPI) protocol and supports four different clock speeds (25MHz, 50MHz, 100MHz, and 150MHz). It also features eight address bits, eight data bits, and four control bits. These features enable system developers to easily integrate the device into any application, allowing for a wide range of operations.

The device also features a page erase feature that can erase up to two Flash pages in one write. This technology allows for download and erase operations in one clock cycle, resulting in significant speed and system performance improvements. The device also supports Dual Bank Mode which allows the user to access two independent banks and split a single Flash block into two banks of 8K each. This feature is beneficial for applications that need to access two separate memory spaces independently.

Lastly, the AT45DB642-TC provides power-on reset and power-switch reset to ensure a safe system startup. Additionally, the device offers hardware fault protection to ensure data integrity during power failure and other power-related events. Finally, the device features over-voltage and over-temperature protection.