EDD2508AKTA-5B ELPIDA [Elpida Memory], EDD2508AKTA-5B Datasheet - Page 22

• Manufacturer Part Number: EDD2508AKTA-5B
• Description: 256M bits DDR SDRAM (32M words x 8 bits, DDR400)
• Manufacturer: ELPIDA [Elpida Memory]

Burst Operation
The burst type (BT) and the first three bits of the column address determine the order of a data out.
Preliminary Data Sheet E0349E60 (Ver. 6.0)
BA0
Starting Ad.
Burst length = 2
Burst length = 8
1
Starting Ad.
EMRS
A2
0
0
0
0
1
1
1
1
A0
BA1
0
1
A1
0
0
0
1
1
0
0
1
1
A12
A0
0
Sequence
Addressing(decimal)
Extended Mode Register Set [EMRS] (BA0 = 1, BA1 = 0)
0, 1,
1, 0,
0
1
0
1
0
1
0
1
A11 A10
Sequence
Addressing(decimal)
6, 7,
0, 1, 2, 3, 4, 5, 6, 7,
1, 2, 3, 4, 5, 6, 7,
2, 3, 4, 5, 6, 7,
3, 4, 5, 6, 7,
4, 5, 6, 7,
5, 6, 7,
7,
0
0, 1, 2, 3, 4, 5, 6,
0
0, 1, 2, 3, 4, 5,
Interleave
0, 1,
1, 0,
0, 1, 2, 3, 4,
A9
0
0, 1, 2, 3,
A8
0
0, 1, 2,
0, 1,
A7
0
Starting Ad.
Burst length = 4
22
A1
0,
0
0
1
1
A6
0
A1
A0
Interleave
0 Normal
1 Weak
0, 1, 2, 3, 4, 5, 6, 7,
4, 5, 6, 7,
5, 4, 7,
6, 7,
1, 0, 3, 2, 5, 4, 7,
2, 3, 0, 1, 6, 7,
3, 2, 1, 0, 7,
7,
0
1
0
1
A5
0
Driver Strength
6, 5, 4, 3, 2, 1, 0,
Sequence
Addressing(decimal)
0, 1, 2, 3,
3, 0, 1, 2,
1, 2, 3, 0,
2, 3, 0, 1,
A4
0
4, 5, 2, 3, 0, 1,
6, 1, 0, 3, 2,
A3
0
0, 1, 2, 3,
6, 5, 4,
A2
0
A0
4, 5,
0 DLL Enable
1 DLL Disable
Interleave
0, 1, 2, 3,
3, 2, 1, 0,
1, 0, 3, 2,
2, 3, 0, 1,
DS
A1
EDD2508AKTA-5
6,
DLL Control
DLL
A0