article - Memory card for Telephone Cellular

With the wide variety of memory card types, choosing a card to add to the memory and storage of your cell phone can be quiet a task. The feature rich mobile phones have a whole lot of fun and zing provided they have the memory to support it. The internal memory of the mobile phone needs to be expanded to put all the features and fun to life.

Understanding a memory card
A memory card can be compared to the computer’s hard drive just that the memory card is a whole lot smaller and smarter. The technology used in most memory cards is NAND Flash. The USP of NAND Flash technology is that it does not comprise of moving parts hence prevents jarring and data reading errors. And like a computer hard disk, the memory of a memory card is not volatile. The memory also does not require refreshing as in case of RAM.

Types of memory cards
Although most memory cards are not really cell phone specific and can be used in other devices like digi-cams, PDAs, Music Players but since mobile phones are the most popular amongst these devices, memory cards have become an essential mobile accessory. Given below is the list of popular memory cards:
Secure Digital (SD) memory card
• Although there are many subtypes and variations, the SD memory cards have the distinction of being fast and efficient.
• Memory stick
• The distinction feature of a memory stick is that it is compatible with only Sony products such as sony ericsson mobile phones, Sony Digi Cams and Sony PDAs. The memory stick also has variations to choose for different uses.
• While the above mentioned memory card types are more popular in the market, there are some more memory card types that can also have a great utility depending on your requirement and type of mobile phone.
• Most Nokia mobile phones have the RS MMC memory card. The RS MMC (Reduced Size Multi Media Card) is usually compact and equal to a postage stamp in size. The RS MMC has the dual voltage variation.

Then there are other memory cards like the Compact Flash (CF including the I and II versions) or the MicroDrive or MMC Micro memory cards. And the road does not end here. Manufacturers are developing more designs and more innovative technology at cheaper rates to cater to the ever increasing demands of mobile phone users.