AT28HC256-90SI

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The AT28HC256-90SI is a high-density non-volatile memory chip from the Atmel family. As the name suggests, this memory chip has 256K-bits of storage which makes it ideal for high-performance applications. The chip is designed for industrial, automotive and communications applications and offers a very fast read/write time and low power consumption.

The AT28HC256-90SI is a Serial Peripheral Interface (SPI) compatible device, meaning that communication between the chip and host processors is accomplished through a serial data transmission protocol. The SPI interface provides a high-speed and efficient communications protocol, allowing it to quickly process data within a wide variety of applications. Additionally, the chip is also available with an I2C interface, making it compatible with existing I2C networks.

Nominally operating at 90 MHz, the chip also supports an asynchronous read mode which enables it to operate at 30 MHz and provides an ideal balance of speed and power efficiency for many applications. Depending on the operating mode, the chip can be used to store and retrieve data from 10 million bytes (MBytes) down to just 256K-bits. As well as providing a wide range of memory densities, this chip also can store data at speeds up to 500KB/s and has a low power consumption of just 50mW.

This memory chip is packed with features that make it an ideal choice for many applications. One of the standout features of the AT28HC256-90SI is its low standby current, which is only 0.3uA. This ensures that the chip has minimal impact on overall system power consumption. Furthermore, the chip has built-in ECC functionality meaning that it can detect and correct any double bit errors that may occur during data transmission. It also features a high level of data protection, as well as a built-in hardware watch dog timer.

In terms of applications, the AT28HC256-90SI is primarily designed for uses in embedded systems. It can be used for a wide range of applications, including sensors, medical applications, automotive electronics, smart energy, industrial automation, and many more. Additionally, the memory chip can also be used in enterprise storage systems and high-performance communications systems.

In summary, the Atmel AT28HC256-90SI is a highly versatile and low-power memory chip which is ideal for a wide range of applications. With its combination of low power consumption, fast read/write times and a wide range of memory densities, this chip is well placed to ensure efficient operation in a wide range of embedded and high-performance systems.

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