AT28C64X-20PI

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Memory plays an important role in many electronic products and systems, making it essential for virtually all computing applications. AT28C64X-20PI is a 64-kilobit CMOS Electrically Erasable Programmable Read-Only Memory (EEPROM) with a unique low-power mode and ultra-low stand-by power consumption that makes it ideal for many applications. In this article, we will discuss the application field and working principle of AT28C64X-20PI.

Application Field

AT28C64X-20PI is designed for low-power applications such as medical, industrial, automotive, IoT, industrial automation, and consumer applications. Specifically, AT28C64X-20PI provides an ideal solution for applications where maintaining a low power consumption is essential such as sensing and monitoring equipment, wireless and RFID devices, consumer electronics, industrial and consumer equipment, and battery-powered applications.

AT28C64X-20PI is also ideal for applications that require reliable data storage. This EEPROM is suitable for storing essential data such as system parameters, manufacturing calibration data, configuration data, and software information. Thanks to its low power consumption, it is also suitable for applications such as programmable logic controllers that need to maintain a powered state for long periods of time.

Working Principle

AT28C64X-20PI is a non-volatile memory with an internal data bus for reading and writing data. The data bus operates in parallel and is capable of transferring 8 bits of data simultaneously. The AT28C64X-20PI memory is organized as 8K x 8, which means that it can store 8,192 bytes of data in total. Each byte of data is stored in an individual 8-bit EEPROM cell. The EEPROM cell can be charged with electrons which will then store the data as a digital bit.

Data is written to and read from the memory by using the chip-select (CS) and data-read/write (R/W) signals. When the CS signal is asserted (or enabled), the device will respond to the R/W signal and begin the communication protocol. When the R/W signal is High, the memory will read the data stored in the EEPROM cells and output it on the data bus. When the R/W signal is Low, the device will accept data from the data bus and write it to the EEPROM cells.

AT28C64X-20PI also has an advanced power management system that allows it to enter a low-power standby mode when the CS signal is disabled. In this mode, the memory can maintain the contents of the memory without consuming any power. This allows the memory to maintain data for long periods of time without having to be constantly powered, making it ideal for battery-powered applications.

Conclusion

AT28C64X-20PI is an ideal choice for applications which require both low power consumption and reliable data storage. It is suitable for many applications including medical, industrial, IoT, consumer electronics, and battery-powered devices. The chip also has an advanced power management system that allows it to enter a low-power standby mode when the CS signal is disabled, allowing it to maintain the stored data for long periods of time without having to be constantly powered.

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