Data Sheet
HY[B/E]18M1G16[0/1]BF
1-Gbit DDR Mobile-RAM
TABLE 5
Burst Definition
Burst
Length
Starting Column
Address
Order of Accesses Within a Burst (Hexadecimal Notation)
A3 A2 A1 A0
Sequential
Interleaved
2
4
0
1
0 - 1
0 - 1
1 - 0
1 - 0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0 - 1 - 2 - 3
1 - 2 - 3 - 0
2 - 3 - 0 - 1
3 - 0 - 1 - 2
0 - 1 - 2 - 3
1 - 0 - 3 - 2
2 - 3 - 0 - 1
3 - 2 - 1 - 0
8
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0 - 1 - 2 - 3 - 4 - 5 - 6 - 7
0 - 1 - 2 - 3 - 4 - 5 - 6 - 7
1 - 2 - 3 - 4 - 5 - 6 - 7 - 0
1 - 0 - 3 - 2 - 5 - 4 - 7 - 6
2 - 3 - 4 - 5 - 6 - 7 - 0 - 1
2 - 3 - 0 - 1 - 6 - 7 - 4 - 5
3 - 4 - 5 - 6 - 7 - 0 - 1 - 2
3 - 2 - 1 - 0 - 7 - 6 - 5 - 4
4 - 5 - 6 - 7 - 0 - 1 - 2 - 3
4 - 5 - 6 - 7 - 0 - 1 - 2 - 3
5 - 6 - 7 - 0 - 1 - 2 - 3 - 4
5 - 4 - 7 - 6 - 1 - 0 - 3 - 2
6 - 7 - 0 - 1 - 2 - 3 - 4 - 5
6 - 7 - 4 - 5 - 2 - 3 - 0 - 1
7 - 0 - 1 - 2 - 3 - 4 - 5 - 6
7 - 6 - 5 - 4 - 3 - 2 - 1 - 0
16
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0-1-2-3-4-5-6-7-8-9-A-B-C-D-E-F
1-2-3-4-5-6-7-8-9-A-B-C-D-E-F-0
2-3-4-5-6-7-8-9-A-B-C-D-E-F-0-1
3-4-5-6-7-8-9-A-B-C-D-E-F-0-1-2
4-5-6-7-8-9-A-B-C-D-E-F-0-1-2-3
5-6-7-8-9-A-B-C-D-E-F-0-1-2-3-4
6-7-8-9-A-B-C-D-E-F-0-1-2-3-4-5
7-8-9-A-B-C-D-E-F-0-1-2-3-4-5-6
8-9-A-B-C-D-E-F-0-1-2-3-4-5-6-7
9-A-B-C-D-E-F-0-1-2-3-4-5-6-7-8
A-B-C-D-E-F-0-1-2-3-4-5-6-7-8-9
B-C-D-E-F-0-1-2-3-4-5-6-7-8-9-A
C-D-E-F-0-1-2-3-4-5-6-7-8-9-A-B
D-E-F-0-1-2-3-4-5-6-7-8-9-A-B-C
E-F-0-1-2-3-4-5-6-7-8-9-A-B-C-D
F-0-1-2-3-4-5-6-7-8-9-A-B-C-D-E
0-1-2-3-4-5-6-7-8-9-A-B-C-D-E-F
1-0-3-2-5-4-7-6-9-8-B-A-D-C-F-E
2-3-0-1-6-7-4-5-A-B-8-9-E-F-C-D
3-2-1-0-7-6-5-4-B-A-9-8-F-E-D-C
4-5-6-7-0-1-2-3-C-D-E-F-8-9-A-B
5-4-7-6-1-0-3-2-D-C-F-E-9-8-B-A
6-7-4-5-2-3-0-1-E-F-C-D-A-B-8-9
7-6-5-4-3-2-1-0-F-E-D-C-B-A-9-8
8-9-A-B-C-D-E-F-0-1-2-3-4-5-6-7
9-8-B-A-D-C-F-E-1-0-3-2-5-4-7-6
A-B-8-9-E-F-C-D-2-3-0-1-6-7-4-5
B-A-9-8-F-E-D-C-3-2-1-0-7-6-5-4
C-D-E-F-8-9-A-B-4-5-6-7-0-1-2-3
D-C-F-E-9-8-B-A-5-4-7-6-1-0-3-2
E-F-C-D-A-B-8-9-6-7-4-5-2-3-0-1
F-E-D-C-B-A-9-8-7-6-5-4-3-2-1-0
Notes
1. For a burst length of 2, A1-Ai select the two-data-element block; A0 selects the first access within the block.
2. For a burst length of 4, A2-Ai select the four-data-element block; A0-A1 select the first access within the block.
3. For a burst length of 8, A3-Ai select the eight-data-element block; A0-A2 select the first access within the block.
4. For a burst length of 16, A4-Ai select the sixteen-data-element block; A0-A3 select the first access within the block.
5. Whenever a boundary of the block is reached within a given sequence, the following access wraps within the block.
Rev.1.0, 2007-03
13
10242006-Y557-TZXW
QIMONDA [ QIMONDA AG ]
