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Memory

The AT25320AN-10SI-1.8-T is a memory chip from the Atmel Corporation and is a high-performance 32-Kbyte I2C Serial EEPROM. It is a low-power device in a miniature 8-pin SOIC package. The chip is optimized for performance and power consumption with a wide operating voltage range of 1.5 to 1.8V.

The AT25320AN-10SI-1.8-T is a non-volatile memory which is highly reliable and supports 200,000 erase/write cycles. It can store between 2K to 32K bytes of data. It is I2C compatible, with a clock frequency of up to 400kHz, and offers a Zen Ultrasonic Sleep-mode Power Saving State.

Application Field

The AT25320AN-10SI-1.8-T offers high performance, low power features and is an attractive solution for applications such as communication systems, consumer electronics, industrial automation, medical devices and scientific instruments. Due to its low power features, it is also defined as an ultra low power EEPROM for applications that demand maximum battery life. It is also ideal for applications requiring large data storage.

The AT25320AN-10SI-1.8-T is also highly suitable for systems requiring expansion memory for system log files, diagnostic data and software upgrades. Its industrial temperature range of -40°C to +85°C makes it suitable for a broad range of applications and environments. The variety of bulk and wafer fab processes support a wide range of memory technologies and densities.

Working Principle

AT25320AN-10SI-1.8-T utilizes a two-wire I2C interface protocol for communicating with the host controller. During communication, the device address is defined to the I2C bus. Once the address is set, the memory device is ready to accept READ, WRITE and WRITE-VERIFY commands. It supports byte programming and byte addressing, allowing for high speed data streaming.

The AT25320AN-10SI-1.8-T EEPROM\'s memory array is divided into a first level register that includes 32K bytes and a second level register containing 4K bytes. The device is able to enter a Zen Ultrasonic Sleep-mode Power Saving State that reduces the device power consumption by more than 99.9%. Once a WRITE, or WRITE-VERIFY command is executed, the device automatically wakes up and responds to commands.

The AT25320AN-10SI-1.8-T is enabled with two write protection modes. The first write protection mode locks the memory so that it is not erasable or programmable. The second write protection mode locks the memory so that it is erasable, but not programmable. Status and alert functions are provided for erase/write activities.

The AT25320AN-10SI-1.8-T provides reliable write/erase operations and is designed for endurance, allowing it to support a minimum of 200,000 erase/write cycles. It is highly reliable for a wide range of applications. It supports various temperature ranges, and data retention during temperature cycling.

In summary, the AT25320AN-10SI-1.8-T is a high performance, low-power memory chip that offers superior endurance, reliable write/erase operations, and a wide operating voltage range. It is ideal for applications requiring system log files, diagnostic data, software upgrades and other data storage needs.

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