memory-card About Application history
Memory cards are small and lightweight electronic products the best external recording media, the early development of the memory card to PC Card-based, with SRAM card, Mask ROM cards, OTP ROM card to DRAM Card, EPROM card, EEPROM cards and Flash cards This is one to Mask ROM card market share over 75% of sales, followed by the SRAM card. The main application of these PC cards in the livelihood of the people in the field of video games, electronic dictionaries, electronic musical instruments, communications of telephones, fax machines, OA in the field of word processor, printer, copier, notebook computers, video games and OA areas where the application of such a memory card market, accounting for 76% of sales. In addition, these PC card production, the main manufacturers are mainly Japanese manufacturers, such as SHARP, FUZISOKU, Toshiba, Hitachi Maxell, Mitsubishi Electric.
Memory card (memory card), flash memory card, or (flash memory card), memory card is a solid-state electronic flash memory data storage devices, and more for the card or the side block. It generally is to use Flash (flash memory) chips as the storage medium. Mainly used in digital cameras, PDA and notebook computers, music players, handheld game consoles and other electronic equipment. It provides repeatable read and write, no external power supply storage form. There are also non-solid-state memory cards. Flash memory card was seen as a substitute for floppy disk, but the role was replaced by flash drives. USB port flash drive can be connected with any computer.
Memory card formats There are many, usually in digital cameras, handheld game consoles, mobile phones, and other devices have. PC Card (PCMCIA) in the 1990s became the first commercial production of memory card formats, but at present it is mainly used in industrial equipment or take input and output functions, as the connection standard equipment. Also in the 1990s, some other smaller card formats appeared, including the CF card, SM card and Mini Cards. In mobile phones, handheld game consoles and other equipment to start using some of the unique micro-embedded memory card (SID), and PDA, digital music players tend to use removable storage cards. From the late 1990s to the early 21st century, a number of new formats appeared, such as SD / MMC, Memory Stick, xD Picture Card and other derivative formats, as mobile phone, PDA, digital cameras and other products shrinking, they are for The smaller memory card needs to become more intense, which makes the original “small” cards look great. Digital cameras CF card SM card and have been very successful. In 2001, SM cards alone occupy 50% market share, CF is also in the field of professional digital cameras invincible. But by 2005, SD / MMC card SM card has replaced the location of its rivals have also been not a CD card, but the XD card, Memory Stick formats. In the industrial field, the former king of PC cards can earn a living; in the mobile phone and PDA, the memory card market is already the pack a dispute. At present, many new PCs have built-in multi-card reader.
