24LC256T-I/ST

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24LC256T-I/ST: Memory Applications and Working Principle

A 24LC256T-I/ST is a type of integrated circuit (IC) designed for use in memory applications. It is one of a family of products from STMicroelectronics (ST), an international technology company. The 24LC256T-I/ST is a 32-bit, low-power, serial EEPROM (Electrically Erasable Programmable Read-Only Memory) with a 2-wire protocol that enables read and write functionality to the device. It has an 8 kbit (8192) capacity. It can be programmed and re-programmed in-circuit with a variety of digital protocol methods, such as I2C, SPI, Serial Peripheral Interface Bus, and Serial UART.

The 24LC256T-I/ST operates as a Serial EEPROM, with programming and data cells connected as a single row. It uses a series of 1,024-byte blocks, each with 8 individually addressable 1-byte pages. This EEPROM provides an 8-Kbit (8192) memory array, organized as 256 rows of 32 bytes each. It has a 2-wire serial interface, I2C (Inter-Integrated Circuit), with a 3V to 5.5V operating voltage range. The 24LC256T-I/ST operates over a temperature range of -40°C to +125°C.

The 24LC256T-I/ST primarily consists of a 3V to 5.5V charge pump, a 32-bit memory array, and a few logic gates. The logic gates serve both to decode the addresses provided from the I2C bus inputs and to control the write, erase and read operations. The memory array stores data in a series of 8-bit registers, which are divided into “pages” of 8 bytes each. The pages are further divided into “blocks” of 1,024 bytes each. The data stored in a particular page can be addressed and read or written in a single operation.

The 24LC256T-I/STs two-wire protocol is based on the I2C bus protocol and allows for both read and write operations. The 24LC256T-I/ST supports programming of both main data and program memories using the same I2C bus signals. The write operation is accomplished by writing the data directly to the memory; the write operation requires an “enable” signal and extended write pulses to be issued. The erase operation is accomplished by writing the data to be erased and then issuing the “erase” signal. The erase operation requires one extended write pulse and then a second pulse to erase the data.

The 24LC256T-I/ST is used in many memory applications, including audio/video storage, automotive, industrial, and medical applications, and can be found in smart toys, remote control systems, security systems, industrial control systems, and other electronic products. The 24LC256T-I/ST features low power consumption and reliable operation at a cost-effective price, making it an attractive choice for memory applications.

The 24LC256T-I/ST is an ideal product for memory applications because it is cost-effective, reliable, and low power consumption, and features a two-wire protocol that supports read and write operations. It operates over a wide temperature range, is offered in industrial and extended temperature ranges, and is UL-certified. It is suitable for use in automotive, industrial, medical and audio/video storage applications as well as in other applications. As such, it provides a reliable and cost-effective solution for many memory applications.

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