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W949D6DB Datasheet, PDF (15/60 Pages) Winbond – Standard Self Refresh Mode | |||
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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
0â1
0â1
1â0
1â0
0â1â2â3
0â1â2â3
1â2â3â0
1â0â3â2
2â3â0â1
2â3â0â1
3â0â1â2
3â2â1â0
0â1â2â3â4â5â6â7
0â1â2â3â4â5â6â7
1â2â3â4â5â6â7â0
1â0â3â2â5â4â7â6
2â3â4â5â6â7â0â1
2â3â0â1â6â7â4â5
3â4â5â6â7â0â1â2
3â2â1â0â7â6â5â4
4â5â6â7â0â1â2â3
4â5â6â7â0â1â2â3
5â6â7â0â1â2â3â4
5â4â7â6â1â0â3â2
6â7â0â1â2â3â4â5
6â7â4â5â2â3â0â1
7â0â1â2â3â4â5â6
7â6â5â4â3â2â1â0
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
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