Memory card

In order to satisfy people for mobile phone memory specific needs, modern many mobile phone brand models have set the external memory, also is what we say normally mobile phone memory card. Mobile phone memory card can be used to store songs, movies, ebooks, game software data such as information. Generally speaking mobile phone use card has a lot of kinds, different performance of mobile phone use card is not the same. For instance: mobile phone, SD memory card skillfully phone memory card, TF memory card, phone, Mini SD memory card M2, MS, Sony memory short bar etc more common.

introduction

People photography to use film, music to have the tape, with video footage, storage file using disk, the development of science and technology, especially the development of digital products, prompting a flash card was born. At present flash card application fields range, making flash card rapid development, now photography store photos, video video, listening to music storage, storage and other data is available by flash card instead.

Access speed

The access speed refers to flash card in written into the data or while reading data transmission speeds. Different types of flash card used interface standard each are not identical, natural respective access speed is not identical also. Even the same type of memory, also by the manufacturer, level, card reader optimal slightly, and even be connected to host the interference factors such as performance, in actual also showed different access speed. The same block card application in different camera, may also show the differences, which deserves speed camera flash card interface performance differences influence.

Working voltage

Different types of flash card with different specifications, it can work normally voltage is different. But different flash card interface also each are not identical, there is no wrong interface may be inserted. So it won't appear since inserted wrong interface, different working voltage and damage the flash card. SD card data transfer and physical standard is developed by skillfully, size and almost skillfully. SD card and skillfully card keeps upwards compatibility, i.e., skillfully can be new SD equipment access, compatibility depends on whether the application software, but SD card but can't be skillfully equipment access. Even so still recommended, what types of flash card corresponding what type of interface, in order to avoid unnecessary mistakes.

Memory type

summary

Flash Card (Flash hello) is the use of Flash Flash with) technology to achieve storage of the electronic information storage, normally used in digital cameras, PDA, MP3 digital products such as small as a storage medium, so look small, like a piece of Card, so called Flash Card.

According to different manufacturer and different applications, Flash Card about SmartMedia (SM) Card, Compact Flash (CF Card), MultiMediaCard (skillfully Card), Secure Digital (SD Card), with what (Memory Stick), XD - they hello (XD) Card and little hard disk.