AT24C04B-TH-T Integrated Circuits (ICs)

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Memory is an indispensable part of computer technology and an integral part of overall computer performance. The AT24C04B-TH-T is a semiconductor non-volatile memory device that has wide applications in the industry. This article will discuss the application fields and working principle of AT24C04B-TH-T.

The AT24C04B-TH-T is a 4K-bit electrically erasable and programmable ROM (EEPROM) device which uses a two-wire Serial Bus protocol to communicate with the host system. This two-wire, serial interface component operates at speeds up to 400KHz and it is suitable for applications requiring high data retention and reliability. This device operates with a single 1.8V to 5.5V power supply and is fully static, no clock is required, making it ideal for low-power applications.

The AT24C04B-TH-T is widely used in consumer electronics and automotive applications. Its wide application ranges from consumer applications such as digital video recorders, digital still cameras, MP3 players to industrial applications related to remote process monitoring, automotive, electronic point-of-sale systems. The AT24C04B-TH-T EEPROM is reliable, cost effective with low power consumption which makes it suitable for various applications.

The AT24C04B-TH-T consists of 3 blocks; the memories, the logic and the serial bus interface. The memories of the AT24C04B-TH-T feature up to 64K words from a 4Kbit memory and are organized by block and byte addressing. Each memory block is controlled by the serial interface and programmable within the serial interface address space. The logic provides all the required control signals for the memories and the serial bus interface. The serial bus interface provides the communication port for the host system and the integrated logic in the AT24C04B-TH-T.

The working principle of the AT24C04B-TH-T is based on a two-wire Serial Bus protocol, commonly referred to as I2C. The I2C Serial Bus protocol is a two-wire interface consisting of two lines, SDA and SCL, which are used to transfer data bidirectionally between the master (the host) and slave (the AT24C04B-TH-T) devices. It is a multi-master, multi-slave system which allows multiple master devices to talk to multiple slave devices on the same bus, connected in parallel. The two wire interface requires only a pull up resistor on both lines, the SDA and SCL signals.

The AT24C04B-TH-T provides some memory protection features as well. It provides write protection for each memory block locked in hardware and software. Write protection locks the memory so that it can\'t be written or programmed by the outside environment but can still be read. It also provides a power down pin which can be used for additional protection by preventing writing of data in the event of power loss. It also offers an industrial-grade temperature range of -40°C to +85°C.

In summary, the AT24C04B-TH-T EEPROM is a reliable and cost-effective, low-power semiconductor non-volatile memory device with a wide range of applications in consumer electronics and automotive industries. It features up to 64K words from a 4Kbit memory and works on a two-wire Serial Bus protocol. It also provides some memory protection features such as write protection, power down pin, and an industrial-grade temperature range. The AT24C04B-TH-T is suitable for various applications and has revitalized the semiconductor non-volatile memory industry.

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