rfid writable electronic label.uhf rfid label manufacturer

source：Industry News Popular：rfid fpc tag release time：2021-11-19 09:17:25 Article author：sznbone

　　rfid writable electronic label

　　In the identification process, the RFID electronic tag whose content can be read and written is a writable electronic tag. Writable electronic tags can use SRAM or FRAM memory.

　　Static random access memory (SRAM) is a kind of memory with static access function. SRAM can save the data stored in it without refreshing the circuit, so SRAM has higher performance.

　　Ferroelectric memory is a non-volatile random access memory that can provide the same performance as RAM, but has the same non-volatility as ROM. FRAM non-volatile means that the data is not lost when the memory is powered off, and non-volatile memory is a technology derived from ROM. FRAM combines the non-volatile data storage characteristics of ROM with the advantages of RAM's unlimited read and write, high-speed read and write, and low power consumption. This allows FRAM products to perform non-volatile data storage and image storage. It operates like RAM.

　　When the writable electronic tag is working, the RFID read-write device can write data into the RFID electronic tag. The writing and reading of electronic tags are mostly carried out in word groups. The word group is usually a collection of a specified number of bytes, and the word group is generally read or written as a whole. In order to modify the content of a data block, it is necessary to read the data block as a whole from the RFID reader, modify it, and then read the data in as a whole again.

　　The storage capacity of the writable electronic tag can be at least 1B and up to 64KB. A typical electronic tag is tens to hundreds of bytes of 16bit.

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