24AA64T/SN

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The 24AA64T/SN is an electrically erasable programmable read-only memory (EEPROM) device. It is housed in a small 8-pin package making it a very space-efficient storage device. It is often used in applications where there is a need to store data that needs to be changed infrequently.

Application Field

The 24AA64T/SN is widely used in automobile, home appliance, medical equipment, sensor and other industries. For example, in automotive applications the device is used to store calibration parameters, vehicle identification numbers and the environmental settings of basic convenience settings.

In home appliance, the 24AA64T/SN can be used in washing machines, freezers, ovens and other equipment to store the parameters set by the user such as preferred temperature settings, duration of cycle and so on.

In medical equipment, the 24AA64T/SN allows the settings for a particular medical device to be stored so that the device can be quickly setup for multiple patients. The device is also used in sensor applications where settings or calibration data can be stored in the EEPROM.

Working Principle

The 24AA64T/SN is based on the I2C interface, which allows multiple EEPROM devices to be connected together as a single device on an I2C bus. Each device has an I2C address which is used to select the particular device on the bus.

The device can be programmed using the write and erase instructions. The instructions are sent to the device via I2C on the bus. The data is written byte-wise and the device will store up to 8K-byte of data. The device can be programmed and erased over a wide voltage range of 2.5 to 5.5 V.

The device can also be read from external devices via I2C. Data can be read from the device in bytes from a start location specified by the external device. The device can also be used in an addressable mode, where an external device can sequentially access memory locations from start address to end address.

The 24AA64T/SN also provides protection features such as ESD protection, read and write protection, and page write protection. The device also has an internally self-timed write cycle which eliminates the need for external device synchronization.

The small size of the 24AA64T/SN allows it to be used in space-constrained applications where traditional EEPROMs might not fit. The device is also relatively low power making it suitable for a variety of battery-powered applications.

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