Internet Data Sheet
HYB18TC1G[80/16]0BF
1-Gbit Double-Data-Rate-Two SDRAM
TABLE 18
ODT Truth Table
Input Pin
EMRS(1) Address Bit A10
EMRS(1) Address Bit A11
×8 Components
DQ[7:0]
DQS
X
X
0
DQS
X
1
1
0
RDQS
X
0
RDQS
DM
X
×16 Components
DQ[7:0]
DQ[15:8]
LDQS
X
X
X
0
LDQS
X
X
UDQS
X
0
UDQS
LDM
X
X
UDM
Note: X = don’t care; 0 = bit set to low; 1 = bit set to high
TABLE 19
Burst Length and Sequence
Burst Length
Starting Address
(A2 A1 A0)
Sequential Addressing
(decimal)
Interleave Addressing
(decimal)
4
× 0 0
× 0 1
×1 0
0, 1, 2, 3
0, 1, 2, 3
1, 2, 3, 0
1, 0, 3, 2
2, 3, 0, 1
2, 3, 0, 1
×1 1
3, 0, 1, 2
3, 2, 1, 0
8
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
0, 1, 2, 3, 4, 5, 6, 7
1, 2, 3, 0, 5, 6, 7, 4
2, 3, 0, 1, 6, 7, 4, 5
3, 0, 1, 2, 7, 4, 5, 6
4, 5, 6, 7, 0, 1, 2, 3
5, 6, 7, 4, 1, 2, 3, 0
6, 7, 4, 5, 2, 3, 0, 1
7, 4, 5, 6, 3, 0, 1, 2
0, 1, 2, 3, 4, 5, 6, 7
1, 0, 3, 2, 5, 4, 7, 6
2, 3, 0, 1, 6, 7, 4, 5
3, 2, 1, 0, 7, 6, 5, 4
4, 5, 6, 7, 0, 1, 2, 3
5, 4, 7, 6, 1, 0, 3, 2
6, 7, 4, 5, 2, 3, 0, 1
7, 6, 5, 4, 3, 2, 1, 0
Rev. 1.21, 2007-07
21
02282007-F8UP-4HSU
QIMONDA [ QIMONDA AG ]
