AT28C64-25PC

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AT28C64-25PC Application Field and Working Principle

AT28C64-25PC is an 8K-bit, 128-position, nonvolatile Electrically Erasable Programmable ROM (EEPROM). It is primarily used to store and retrieve special information or programs for various uses in computers or other electronic equipment. The product is classified under the Memory category and various features include continuous data retention for 10 years and a guaranteed write endurance of 1000 cycles.

FEATURES

• 8K-bit of memory
• 128-position
• Nonvolatile Electrically Erasable Programmable ROM (EEPROM)
• Continuous data retention for 10 years
• Guaranteed write endurance of 1000 cycles

APPLICATIONS

• Automotive engine control
• Device configuration data storage
• Programmable logic controllers (PLC’s)
• Software control and calibration systems
• Telecommunications base station controllers
• Home appliances

WORKING PRINCIPLE

The AT28C64-25PC uses the same technology known as Byte-Wide Electrically Erasable Programmable Read Only Memory, or EEPROM. It is basically a type of non-volatile memory which can be programmed and erased using an electrical charge. EEPROM technology allows the AT28C64-25PC to keep its stored data even when power is removed, making it ideal for applications that need to keep data between power cycles.

To program the AT28C64-25PC, it must first be exposed to an electrical charge across specific pins on the device. This charge will cause the electrical connections within the chip to be reprogrammed, allowing new data to be stored. The data stored inside the AT28C64-25PC can then be read and/or written to as needed. To erase the data stored in the EEPROM, another electrical charge is sent across the same pins. This charge will cause all the bits in the EEPROM to be reset to their original state, allowing for new data to be programmed into the device.

AT28C64-25PC is a versatile and cost-effective solution for applications requiring continuous data retention or frequent write updates. The device’s ability to retain its stored memory for 10 years, even when power is removed, makes it well-suited for applications requiring frequent accesses to data or programs.

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