AT28C64B-15TI

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Memory technology plays an important role in the successful operation of systems, providing high-density storage of digital data. AT28C64B-15TI is a 64K (8Kx8 bit) nonvolatile CMOS EEPROM, pin and register compatible with the industry standard 28-pin 300 mil 300 ns. In this article, we will outline the application field and working principle of AT28C64B-15TI.

Application Field of AT28C64B-15TI

AT28C64B-15TI manufactured by Atmel Corporation, is a 64K nonvolatile CMOS EEPROM, offering full pin and register compatibility to the industry standard 28-pin 300 mil 300 ns. This nonvolatile memory technology, can be utilized in all kinds of applications, such as automotive, industrial process control, instrumentation, medical/healthcare and smart cards. AT28C64B-15TI features low power dissipation, low voltage operation, low cost and fast, reliable read/write cycles.

Furthermore, the AT28C64B-15TI offers maximum endurance and data retention, when it comes to data storage for applications that require long-term operation. It has several attractive features such as high speed write capability, low power write operation, high speed part programming on some compatible devices, 100K erase and program endurance of 1,000 writes and 200-year data retention.

Working Principle of AT28C64B-15TI

The primary operational principle of the AT28C64B-15TI is based on refreshing the data on the device. When power is applied to the device, the datasheet specifies a delay before the device is ready to write or read. This delay is to ensure that the device is properly initialized, by refreshing the memory contents. Then the data written is refreshed at specific intervals. This is known as Static Refresh.

When the device is instructed to write data, it will write a value to the memory cell and then perform a self-refresh cycle, which refreshes all the data in the cell. This ensures data integrity and proper functioning. The self-refresh cycle is performed at regular intervals to ensure that the data is always up to date.

AT28C64B-15TI is also equipped with a variety of built-in protection features. These features provide extra protection against common problems such as power outages, for example Electro Static Discharge (ESD). The built-in protection prevents accidental erasure of data, and also provide protection against device damage due to excessive current.

Conclusion

AT28C64B-15TI is a reliable and highly efficient 64K nonvolatile CMOS EEPROM, providing excellent performance and data storage capabilities. It has several attractive features such as low power dissipation, low voltage operation, low cost and fast, reliable read/write cycles. It can be used for wide range of applications, ranging from automotive and industrial process control to instrumentation and medical/healthcare applications. Its capability of self-refreshing and built-in protection features make it an ideal choice for systems requiring long-term data storage and reliable operation.

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