Internet Data Sheet
HY[B/I]25D256[16/40/80]0C[E/C/F/T](L)
256 Mbit Double-Data-Rate SDRAM
%$ꢄ %$ꢁ $ꢄꢃ $ꢄꢄ $ꢄꢁ
$ꢊ
$ꢉ
$ꢂ
$ꢈ
$ꢇ
$ꢆ
$ꢅ
$ꢃ
$ꢄ
'6
$ꢁ
'//
ꢁ
ꢄ
23(5$7,1*ꢀ02'(
03%'ꢃꢄꢁꢁ
TABLE 9
Extended Mode Regsiter
Field
Bits
Type1)
Description
DLL Status
DLL
0
W
0B
1B
Enabled
Disabled
DS
1
W
W
Drive Strength
0B
1B
Normal
Weak
MODE
[12:2]
Operating Mode
Note: All other bit combinations are RESERVED.
00000000000BNormal Operation
1) W = write only register bit
Rev. 2.3, 2007-03
16
03062006-8CCM-VPUW