AT45DB041B-CNU

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The AT45DB041B-CNU is a low-cost, 1,024-Kbit DataFlash memory. It provides reliable non-volatile storage for embedded applications, where small size, long endurance, and fast access time are requirements. The key features of AT45DB041B-CNU include low power consumption and fast access times, reliable non-volatile storage, and a large storage capacity, making it an ideal choice for embedded applications.At the heart of the AT45DB041B-CNU is a single-chip implementation of a 1,024-Kbit DataFlash memory, which offers a high-capability, low-cost alternative to Flash memories. The device is organized as an array of 4,096 pages of 256 bytes each, with a 64-byte sector size that reduces the space needed to store information on the chip. The memory is protected by a 64-bit write protection feature that allows for access to protected memory regions and prevents accidental over-writes. Additionally, the device utilizes Page Protection logic to support defect-tolerance and erasure of entire sectors of the memory array.The key advantages of the AT45DB041B-CNU are its energy efficiency and fast access times. The device has an average operating power of 11 mA, with a peak current of 15 mA. This low current draw allows for longer battery life when used in applications that require extended power. The device\'s access time is 25 µs for a 50% duty cycle and 20 µs for a 10% duty cycle, making it one of the faster DataFlash memories available today.The AT45DB041B-CNU is well-suited for a wide range of embedded applications. The device is commonly used to store storage critical boot code, application parameters, system configuration, program data, and other user-level data. The device is also popular in mission-critical applications like industrial automation, medical devices, and smart meters, where reliability is a key concern.The AT45DB041B-CNU is programmed via a three-wire serial interface that is compatible with the Serial Peripheral Interface (SPI) protocol. The write operations are non-volatile and can be performed on data stored in the DataFlash memory array or on a user-defined buffer. Erase operations can also be performed on user-selected pages or an entire sector of the memory.In summary, the AT45DB041B-CNU is a reliable and cost-effective DataFlash memory that is suitable for a wide range of embedded applications. It offers fast access times, low power consumption, and a large capacity that make it ideal for mission-critical operations. The device is programmed via a three-wire serial interface and offers non-volatile write and erase operations that are essential for reliable memory storage.

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