AT25DQ161-MH-T

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Atmel\'s AT25DQ161-MH-T is a member of the company\'s DataFlash family, a line of flash memory components used for data storage in a variety of applications. This chip has a maximum storage capacity of 161 megabits (Mb) and a 4-megabit mode, as well as a number of features that make it suitable for consumer electronics, automotive, and industrial applications. This article will discuss the application fields and working principle of the AT25DQ161-MH-T.

Application Fields

The AT25DQ161-MH-T is suitable for a variety of applications. Due to its small size and high capacity, it is commonly used in consumer electronics. It is ideal for use in digital cameras and other small portable electronics. It is also used in automotive applications, such as engine controllers, which require reliable and long-term data storage for their many information inputs. Additionally, due to its fast access and low operating current, it can be used in automated industrial processes, such as robotics, HVAC systems, and locking systems.

Working Principle

The AT25DQ161-MH-T uses a four-wire bus architecture, 3.3V operation, full-voltage range write, and low-voltage write compatible with mobile platforms. It operates at up to 40MHz (SPI) and has a read latency of 0.7µs typical. The device also features a 160 KHz erase and program rate, as well as a 1.6Mbps data rate while programming.

The AT25DQ161-MH-T is a NOR-type flash memory, meaning it uses a single-transistor cell to store a single bit of data. The single-transistor cell makes the device fast and reliable, as it can be written and erased much quicker than the NAND-type flash memory. It is also more resistant to wear, making it ideal for applications that require robust non-volatile data storage.

The AT25DQ161-MH-T uses a block erase feature, which can be used to erase large sections of memory at once for faster erasing. Blocks of memory can be erased in either 4 Kbyte or 64 Kbyte increments. The device also has an auto-erase feature which erases entire sectors automatically prior to a program command, making it easy to manage data storage.

The AT25DQ161-MH-T is a low-power device, consuming less than 1mA while operating at 3MHz. The device also has an industry-standard space saving 10-lead UCSP package, which is ideal for applications where space is at a premium.

The AT25DQ161-MH-T represents a great option for those needing reliable and efficient data storage in their applications. It offers low power consumption, fast access, long-term data storage, and robust operation in a small package, making it ideal for a wide range of applications.

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