DDR2 versus DDR memory tutorial

Hardware Secrets posted a new article regarding everything you need to know about DDR2 memories, including the main differences between DDR and DDR2.

Here is a snippet: All DDR2 chips use BGA (Ball Grid Array) packaging, while DDR chips almost always use TSOP (Thin Small-Outline Package) packaging. There are DDR chips with BGA packaging on the market (like the ones from Kingmax), but they are not so common. Read more at HardwareSecrets