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W949D6DB Datasheet, PDF (15/60 Pages) Winbond – Standard Self Refresh Mode
W949D6DB / W949D2DB
7.3.2 Burst Definition
BURST
LENGTH
2
4
8
16
STARTING COLUMN
ADDRESS
A3 A2 A1 A0
0
1
0
0
0
1
1
0
1
1
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
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
ORDER OF ACCESSES WITHIN A BURST
(HEXADECIMAL NOTATION)
SEQUENTIAL
INTERLEAVED
0–1
0–1
1–0
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
3–0–1–2
3–2–1–0
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
0-1-2-3-4-5-6-7-8-9-A-B-C-D-E-F 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 1-0-3-2-5-4-7-6-9-8-B-A-D-C-F-E
2-3-4-5-6-7-8-9-A-B-C-D-E-F-0-1 2-3-0-1-6-7-4-5-A-B-8-9-E-F-C-D
3-4-5-6-7-8-9-A-B-C-D-E-F-0-1-2 3-2-1-0-7-6-5-4-B-A-9-8-F-E-D-C
4-5-6-7-8-9-A-B-C-D-E-F-0-1-2-3 4-5-6-7-0-1-2-3-C-D-E-F-8-9-A-B
5-6-7-8-9-A-B-C-D-E-F-0-1-2-3-4 5-4-7-6-1-0-3-2-D-C-F-E-9-8-B-A
6-7-8-9-A-B-C-D-E-F-0-1-2-3-4-5 6-7-4-5-2-3-0-1-E-F-C-D-A-B-8-9
7-8-9-A-B-C-D-E-F-0-1-2-3-4-5-6 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 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 9-8-B-A-D-C-F-E-1-0-3-2-5-4-7-6
A-B-C-D-E-F-0-1-2-3-4-5-6-7-8-9 A-B-8-9-E-F-C-D-2-3-0-1-6-7-4-5
B-C-D-E-F-0-1-2-3-4-5-6-7-8-9-A B-A-9-8-F-E-D-C-3-2-1-0-7-6-5-4
C-D-E-F-0-1-2-3-4-5-6-7-8-9-A-B C-D-E-F-8-9-A-B-4-5-6-7-0-1-2-3
D-E-F-0-1-2-3-4-5-6-7-8-9-A-B-C D-C-F-E-9-8-B-A-5-4-7-6-1-0-3-2
E-F-0-1-2-3-4-5-6-7-8-9-A-B-C-D E-F-C-D-A-B-8-9-6-7-4-5-2-3-0-1
F-0-1-2-3-4-5-6-7-8-9-A-B-C-D-E F-E-D-C-B-A-9-8-7-6-5-4-3-2-1-0
Notes:
1. For a burst length of two, A1-An selects the two data element block; A0 selects the first access within the block.
2. For a burst length of four, A2-An selects the four data element block; A0-A1 selects the first access within the block.
3. For a burst length of eight, A3-An selects the eight data element block; A0-A2 selects the first access within the block.
4. For the burst length of sixteen, A4-An selects the sixteen data element block; A0-A3 selects 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.
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Publication Release Date: Oct. 08, 2014
Revision: A01-003