About Memory Cards

Memory cards are different under differentC: What is MMC card? What are the characteristics
agreements, appearance and speed, but the basicof it?
storage methods like!MMC full name MultiMedia Card, SanDisk Corporation
For example, now the digital camera general useby the United States and Germany's Siemens
built-in memory and storage memory card (also some(Siemens) companies jointly develop a multi-function
high-end machines using micro hard drives), thesememory card, mainly for mobile phones, digital
memory and memory cards are the core of NANDcameras, digital cameras and MP3 players and other
FLASH (This is what we often say that the flashdigital products. MMC card size only 32 mm x 24mm
memory), these chips use and drive is basically thex 1.4mm (L × W × D), only 2 g weight
same as USB Flash Drives.around.
Flash memory is from the closure of the initial dataD: What is the SD card? What are the characteristics
after the power is not lost derived from CD-ROM ofof it?
memory. Electricity can be rewritten ROM is EEPROMSD card full name Security Digital Card, by Matsushita
(electrically erasable programmable read-only(Panasonic), Dong-Zhi (TOSHIBA) SanDisk Corporation
memory). A bit EEPROM can write and delete.and the United States jointly developed a company.
However, because of operation is based on, writeSD cards can be seen as derived from the MMC
slowly, and high power consumption. Therefore, thecard, it more than the MMC card for copyright
people will have to find a bit but not by units to blockprotection in the data signal, authentication (SDMI
the inclusion and deletion of memory. This is the flash.specifications). SD card and more MP3 player, digital
Its name comes from the one-time to deletecamera, digital camera, with its projected area and
features. Some said that the clear, only a flashMMC cards the same, only slightly thick, 2.1 mm, but
memory integrated circuit chips!much larger capacity SD cards, and the read and
Therefore, the general situation in Reading memorywrite speed MMC card four times faster. At the
card reader with data, as in the same document Usame time, the SD Card interface is compatible with
intraday operation using the same method as that!the MMC, SD Card interface supports most of MMC
Flash memory cards are often the cards, mainly thecard. Currently SD card in the digital camera is rapidly
following categories, are at the core of NAND Flashwidespread, much as the mainstream trend.
memory chip cards:E: What is a memory stick? What are the
A: What is the CF card? What are the characteristicscharacteristics of it?
of it?Memory Stick Memory Stick full name, it is by Japan's
CF card full name Compact Flash Card, is SanDiskSony Corporation (Sony) developed by the company
introduced in the 1994 first. Because of the opennessremovable storage media.
of the technology, have been introduced to theMemory Stick family is very large, many species are
broad support of the industry. Then there are moregenerally divided into the following types:
than 100 manufacturers together, in 1995 set up aBlue Memory Stick commonly known as the "Blue" is
pocket-sized flash Association, or CFA (Compactthe most frequently used memory stick, and more
Flash Association). In the vigorous promotion of CFA,used in digital cameras and digital camera which has
CF standards has undergone an unprecedentedthe copyright protection function, and more for
development and prosperity, a removable storageSony's digital music player; "Memory Stick Pro" is a
medium at the standard interfaces. Even now, therenew release soon Memory Stick specifications at
are still a lot of digital camera manufacturers use CFpresent there is no Chinese name Not only does it
cards as a storage medium, but also widely used inhave the same white and copyright protection
handheld computers, television set-top boxes andfunction, but very fast speed, capacity is up to 32
even multimedia phones.GB; "Memory Stick DUO" Memory Stick family is the
Storage capacity, low cost, compatibility, and thesemost compact in size, it can interface adapters
are the advantages of CF card, shortcomings iscompatible with the Memory Stick, which also had
larger. In addition, the CF card and still TYPE (TM)two blue and white, blue Entitled "Memory Stick Duo,"
two TYPE II interface, the use of digital cameras isthe white called "Memory Stick PRO MAGICGATE", a
more CF TYPE (TM) interface.copyright protection function, capacity is much more
B: What is SM card? What are the characteristics ofserious. Sony Ericsson (Sony Ericsson) P802 phone is
it?the use of the "Memory Stick Duo."
SM card full name SmartMedia Card, also known asF: What is the XD card? What are the characteristics
solid-state floppy disk card (Solid State Floppy Diskof it?
Cards, SSFDC), from Toshiba Corporation 1995Full name XD Card XD-Picture Card, by Japan Fuji
release, and the CF card belong to the samePhoto Film and Olympus Corporation to develop a
generation flash memory card. Smart Media cardsnew generation of memory cards, people who were
using single-chip storage, and so they limit itsconsidered SM cards to replace. Now Olympus and
maximum capacity, the current maximum capacity ofFujitsu company's new digital camera basically
only 128 MB versions of products. In addition, sinceadopted this new type of flash memory card,
no built-SM interface circuit card, the strongcompact size, speed is its main features, but the
dependence of the equipment, so he's not ascurrent higher prices.
compatibility and speed CF card.