HYB18H1G321AF QIMONDA [Qimonda AG], HYB18H1G321AF Datasheet - Page 21

• Manufacturer Part Number: HYB18H1G321AF
• Description: GDDR3 Graphics RAM 1-Gbit GDDR3 Graphics RAM
• Manufacturer: QIMONDA [Qimonda AG]

Internet Data Sheet
HYB18H1G321AF–10/11/14
1-Gbit GDDR3
FIGURE 9
Extended Mode Register Bitmap for Mid-Range-Speed Application
There are two bitmaps for the Extended Mode Register. One bitmap shown in
Figure 9
is supposed to support Mid-Range-
Speed applications. The other bitmap shown in
Figure 10
is more focused on the high-range-speed application. Both bitmaps
distinguish different numbers in supported Write Recovery clock cycles. The mid-range bit map provides WR cycles from 4 to
11.The high-speed bitmap supports WR from 7 to 13.
Rev. 0.92, 2007-10
21
06122007-MW7D-3G3M