AT28C040-25FC

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AT28C040-25FC, a memory device, is a 512K programmable EEPROM based on 4K × 8 technology, which is a kind of non-volatile memory device used for 30 years. This device with average access time of 120ns offers superior performance over other EEPROMs. AT28C040 series have a status register which allows the user to select between single location programming or multi-location programming.

AT28C040-25FC has wide application scope and is usually used in low to medium density applications, such as parallel port interface, radio application, serial EEPROM interface, data and system address memory, etc. It is suitable for industrial environments where high reliability is essential, such as medical electronics, telecommunications, and automotive electronics.

AT28C040-25FC works on a principle similar to other EEPROMs, only with an additional feature: it can be reprogrammed multiple times. It has an internal control logic circuitry that encodes and decodes data on its pins. To read the contents of the memory cells, voltage levels are applied to its pins and then the data is read out of the cell. This process is called Read Cycle. To update or write data, voltage levels are applied and then the desired data is written in or updated in the cell. This process is called Write Cycle.

AT28C040-25FC uses an eraseable and reprogrammable flash memory technology that allows data to be reloaded. The programming interface allows data to be read or updated without the need to erase the entire memory. It also has a built-in error detection circuitry that monitors the memory address, data and internal programming status to ensure correct data storage and retrieval. This ensures that only valid data can be written to the memory.

AT28C040-25FC is a durable and reliable device which is suitable for applications where data integrity, security and compatibility are important elements. It provides high-speed, low-cost memory solutions for a variety of applications. The device is available in both a variety of standard and customized packages to meet customer requirements. Furthermore, the device offers excellent EMC compatibility, making it suitable for applications in embedded systems.

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