25LC128T-E/SM

The 25LC128T-E/SM is a popular member of the 25x series of serial electrically erasable programmable read-only memory (EEPROM) chips. It features an 8K x 8-bit memory array organized as 1,024 pages of 8 bytes each. The EEPROM is designed to operate with a power supply range of between 2.5 volts and 5.5 volts.

The 25LC128T-E/SM offers design engineers a highly integrated, low-power solution for data retention in multiple applications, such as dataloggers, embedded systems, computers, industrial controllers and various consumer products. It has a fast write cycle time of 5ms and is available in a range of package options including SPI, I2C and Microwire.

Application Fields

The 25LC128T-E/SM is used extensively for several application fields including digital data recording, real-time clock memory, instrument memory, parameter storage, non-volatile counter, alarm data storage and of course, general-purpose non-volatile storage. It offers users a flexible, space saving, robust and low cost memory solution for a wide range of applications.

It is used in a wide range of industries, ranging from automotive, medical, telecoms and aerospace. In automotive sector, it is used as a traceability system in order to track production. It is also used in medical field as an identification system. It can also be used as an identification system in telecoms and aerospace sector.

Working Principle

The 25LC128T-E/SM is designed to work in a very simple and straightforward way. It stores a set of command and data bytes in its internal array of memory cells. When data is written to or read from this array, it is treated as a binary file. Each bit in such a file is treated as a single command or data byte.

The memory array is organized in 8K x 8 pages, meaning any 2 bytes from each 8-bit data byte can be read or written simultaneously. Therefore, if the two bytes are different, the result is either a false or a true. This allows for multiple pages of data to be read simultaneously, with the content of the other pages being affected only at a specific address.

The memory also features various protection features that allow users to protect their data, such as ESD and write lockout protection. This protection feature allows data to be protected against accidental write cycles, which can affect the integrity of the data. In addition to this, it also features self-write verification, which helps to ensure that the data stored in the memory is correct.

The 25LC128T-E/SM also offers users a high-speed write cycle time, allowing for faster data writing and retrieval. Its 8K bit capacity permits users to store larger data volumes while its low power consumption helps to reduce power requirements. All in all, the 25LC128T-E/SM is a popular, reliable and low-cost memory solution for multiple applications.