24LC32AT/SN Integrated Circuits (ICs)

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Memory is an indispensable part of computer technology, and 24LC32AT/SN is one of them. It is a Non-Volatile Electrically Programmable Read-Only Memory (EEPROM). This article focuses on the application field of 24LC32AT/SN and its working principles.

Application Field

The 24LC32AT/SN is widely used in many electronic devices. Its low power consumption and wide voltage ranges (between 2.5 and 5.5 volts, or even down to 1.8 volts in some cases) make it suitable for many portable, mobile and embedded applications.

The chip is mainly used in automotive applications, such as engine control systems, to store calibration data, control parameters, and diagnostic information. In Industrial control systems, it is used to store production and maintenance data, results of tests and measurements, and other system related information.

24LC32AT/SN find their place in consumer electronics, too, like DVR and wireless camera recording systems. It is also popular as a buffer for flash memory, as it stores the incoming data until the flash device is ready to accept it. Finally, it is one of the firmware storage solutions in FPGAs, microcontrollers, and other complex electronics.

Working Principles

The 24LC32AT/SN chip uses the concept of Double-Data-Rate (DDR) to improve performance. The concept means that it can read a data bit and then immediately read the next bit, thus saving a cycle and achieving faster read/write speeds.

The integrated memory core has 32 kB capacity and is organized as 32K x 8 bits. The chip includes software write protection of page and sector. The page size is 16 bytes and there are 2048 pages in total. The sector size is 128 bytes and there are 256 sectors. The default write protection mode is Programmable (software) and Hardware Protection is also available.

The chip is accessed by 2- and 3-wire serial interfaces (I2C and SPI). It operates at frequency up to 800 KHz and voltage range of 2.5V to 5.5V, depending on the model. In applications needing higher refresh rates, the 24LC32AT/SN provides extended refresh cycle adjustments, allowing the user to update data in the memory quickly and at low current.

This memory device self-refreshes all data at regular intervals and has a flexible, two-tier access protection. It is available in 8-pin SOIC, 8-pin TSSOP, and 8-ball WLCSP packaging.

Conclusion

The 24LC32AT/SN is a Non-Volatile Electrically Programmable Read-Only Memory (EEPROM). Its low power consumption and wide voltage ranges make it suitable for many portable, mobile and embedded applications. Its main usage areas include automotive, industrial control, consumer electronics, flash memory storage, and firmware storage for FPGAs, microcontrollers and other complex electronics.

The integrated memory core has 32 kB capacity, split into 2048 pages and 256 sectors. It uses Double-Data-Rate (DDR) to achieve faster read/write speeds, and operates at frequencies up to 800 KHz. It is available in 8-pin SOIC, 8-pin TSSOP, and 8-ball WLCSP packaging.

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