24AA16T-E/SN

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24AA16T-E/SN Application Field and Working Principle

24AA16T-E/SN is a memory device with a range of memories available from 2 kb to 64 kb, and covers many application fields, such as automotive, embedded, industrial and consumer. The 24AA16T-E/SN is a 16 Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) with an I2C interface, designed for use in a wide range of applications. It uses a single power supply of 2.5 – 5.5V and can store up 16 Kbits (2048 x 8) bytes of data.

Features

The 24AA16T-E/SN, provided with a 3-wire serial interface and is available in space-saving 8-pin, 8-pad and 8-pad extended packages. High-performance architecture ensures quick write times, with a maximum write time of 500 ms. Eight ‘unaltered’ bytes are written each time, with 0.5 ms between bytes. The on-chip Power-On Reset (POR) circuit resets all memory contents to the same state after a power-off or power-on event.

From a safety and reliability point of view, the 24AA16T-E/SN also features a range of features. The write protect (WP) pin on the device can be used to protect the memory from accidental write or erase operations. The Data Input/Output pins are internally protected from overvoltages and are ESD rated to a minimum of 4kV HBM. In addition, the device is RoHS compliant, making it suitable for a range of applications such as automotive and medical.

Working Principle

The 24AA16T-E/SN is a non-volatile device that can store data after power off and is designed to keep data stored for up to 10 years. It also has a range of features that can improve its performance and reliability, making it suitable for a range of applications. At its core, the 24AA16T-E/SN works on the principle of storing data by electrically altering its internal memory cells in such a way that the stored data is retained even when the power is cycled.

The 24AA16T-E/SN can be written to and read from using the I2C interface. Data for writing is loaded into the internal memory ‘page buffer’, 8 Kbits of which can be written at a time, and the write is initiated by the master. To read data, another device sends a read message to it, and the 24AA16T-E/SN then sends the relevant data over the I2C bus.

The 24AA16T-E/SN also has a power-on reset (POR) circuit to reset the device\'s internal memory when the power is turned back on after a power-off event. This helps to ensure that any stored data is not affected by a power interruption. In addition, the 24AA16T-E/SN features a write protect (WP) pin on the device, which can be used to protect the memory from any accidental writes or erases.

Conclusion

The 24AA16T-E/SN is a 16 Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) with an I2C interface, designed for use in a range of applications. It is provided with a 3-wire serial interface, and is available in space-saving 8-pin, 8-pad and 8-pad extended packages. It offers a range of features, such as Power-On Reset (POR), write protect (WP) and ESD protection. The 24AA16T-E/SN works on the principle of storing data by electrically altering its internal memory cells in such a way that the stored data is retained even when the power is cycled.

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