The second component of a memory card is the controller. This controller is basically a small laptop that acts as the interface between the flash memory and MemoryWave Community the host machine (digital camera or card reader). It handles studying and writing, voltage regulation, and different duties including error correction and unhealthy sector management. The controller may incorporate wear leveling methods to increase the life of the card by monitoring and distributing data so sure areas of the card usually are not overused. The controller instantly impacts the switch pace capabilities of a memory card. Who makes flash memory? Whereas there are various manufacturers of memory playing cards, very few manufacture the memory chips used contained in the cards. Of the main memory card brands, MemoryWave Community solely Samsung, SanDisk, Toshiba and Lexar are involved in memory chip manufacturing. Samsung is the main producer of NAND memory worldwide and opened a new $7 billion facility in Xi'an, China to provide NAND flash memory in Might, 2014. Toshiba and SanDisk co-own a memory production facility in Yokkaichi, Japan.
Micron, proprietor of Lexar, produces memory chips in a joint venture with Intel at a facility in Lehi, Utah and assembles their cards in Asia. Other NAND memory chip manufacturers include TSMC in Taiwan and SK Hynix of South Korea. Flash controllers for SD and CF cards are manufactured by Samsung, Micron, Sandisk, Toshiba and Sony in addition to several impartial manufacturers including Alcor Micro, JMicron, Phison, SiliconMotion (SMI) and Hyperstone. Flash memory card manufacturers indirectly concerned in production might use one or more of the above suppliers. Kingston is known for using Toshiba/SanDisk chips and controllers, Transcend has used Samsung chips and SMI-produced controllers, Delkin uses Toshiba, Samsung and Micron chips and custom designed controllers from numerous manufacrurers including Hyperstone. The controller is an important part of a memory card