參數(shù)資料
型號(hào)： HYB18H512321BF
廠商： QIMONDA
英文描述： 512-Mbit GDDR3 Graphics RAM
中文描述： 512兆GDDR3顯卡內(nèi)存
文件頁(yè)數(shù)： 19/43頁(yè)
文件大?。?/td> 1344K
代理商： HYB18H512321BF
HYB18H512321BF
512-Mbit GDDR3
Internet Data Sheet
Rev. 1.1, 2007-09
05292007-WAU2-UU95
19
FIGURE 7
Extended Mode Register Bitmap for Mid-Range-Speed Application
There are two bitmaps for the Extended Mode Register. One bitmap shown in
Figure 7
is supposed to support Mid-Speed
applications. The other bitmap shown in
Figure 8
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.
FIGURE 8
Extended Mode Register Bitmap for High-Speed Application
Data Z
BA1
BA0
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
0
1
A11
A10
DLL
V
RFU
WR
Rtt
A2
0
1
A3
0
0
0
1
1
1
ODT disabled
RFU
Termination
ZQ / 4
ZQ / 2
(Default)
2)
1
Output Driver
Impedance
Autocal
35
0
40
45
1
A0
A1
1
1
0
0
0
1
WR
11
4
0
5
6
1
A4
A5
1
1
0
0
0
A10
0
1
Vendor ID
On
Off
A6
0
1
DLL
Enable
Enable
Disable
A7
0
0
0
0
0
7
10
0
1
WR
BA2
0
1
8
0
1
0
9
1
1
1
1
1
0
-
--
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-
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"#
.
&
-
.-
*
.-
+%
/
"+
'*"!( "
.-
) &
$',
$',
$',
"(!)+
(
##
(&"
(&"
%,&"
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