21. On the Internet, go to www.micron.com and search for the data sheet for the

MT41K256M16HA-125 DDR3 DRAM device. Download and read through the first couple

of pages of the PDF data sheet for it. Briefly describe and give the benefit of at least 2

features that are improvements over those of the basic four bank device in Figure 1-19a and

the DDR 2n prefetch scheme described in the DDR section of the chapter.

A

B

с

Figure 1-23. Circuit for problem 1-11.

D

Y