Electronics is a professional production of the famous store electronic products and research and development. Flash memory card (Flash Card) NAND Flash as the storage medium using the famous SD card price, has the characteristics of a non-volatile NAND Flash memory, but also has the advantages of high-capacity storage and fast read and write, and small size, easy to carry, the price is relatively low. Usually used in mobile phones, digital cameras, computers and other consumer electronics products. Flash memory cards are divided into many kinds, such as Micro SD, Mini SD, SD, CF, MMC, etc., although they look different specifications, but the principle is the same technology. Stability and speed of the card depends on the device requirements, CLASS4 also has CLASS6 there CLSS10 the famous SD card special plane, the largest capacity is 512GB. And our company is now the main push plane dedicated SD card, such as telephone recording dedicated SD card, the tachograph SD card, SD card, video doorbell, industry-specific, better performance SD card. Do you know what is TLC, MLS, SLC, three representatives of the life of this chip, the speed, TLC is the worst wafer made out of SD card U disk TF card speed is generally in CLSS4 (CLASS4 refers 4MB or less MLC write speed of life is generally shorter than .MLC wafer longer half life than MLC SD card factory in Shenzhen famous, made out of SD card U disk TF card speed is about 6MB, so imagine the last SLC long life, speed CLASS10, half the speed required to read and write must use SLC or reach equipment. NAND Flash controller chip to improve endurance famous SD card, SSD life improve the manufacturing process as the original continuous development, NAND Flash production costs decline, Endurance reduce required ECC error correction ability to control the chip, the higher the initial .NAND Flash SLC Endurance up to 10 million times, just use 1-4bit ECC, 20nm MLC flash technology to reduce life to 3000--10000 times required ECC up to 16-40bit, TLC Endurance to only 500 - 1000 times, need 72bit even higher ECC.NAND Flash in SLC period, control chip only needs to use error correction capability is not strong Hamming code algorithm, MLC requires a higher error correction capability BCH code, TLC or 3D Correction technology starting from BCH to low-density parity check code LDPC transition to strengthen life. Famous SD card production, the famous SD card, the famous electronic famous by the Shenzhen Electronics Limited. Shenzhen Electronics Co., the famous (www.my-1688.com) strong, credible, in Shenzhen, Guangdong digital accessories industry has accumulated a large number of loyal customers. The company better work attitude and continuously improve innovative ideas will lead the famous electronic and you hand in hand into the brilliant, for a better future!