參數(shù)資料
型號(hào): HYB18RL25632AC-3.3
英文描述: ?256M (8Mx32) 300MHz ?
中文描述: ?256M(8Mx32)300MHz的?
文件頁數(shù): 19/36頁
文件大小: 869K
代理商: HYB18RL25632AC-3.3
HYB18RL25616/32AC
256 Mbit DDR Reduced Latency DRAM
Version 1.42
Page 19
Infineon Technologies
This specification is preliminary and subject to change without notice
2.5.2
Write - Cyclic Bank Access
2.5.2.1 Burst Length (BL) = 2
Figure 13 Write Burst Basic Sequence, BL = 2, WL = 3
2.5.2.2 Burst Length (BL) = 4
Figure 14 Write Burst Basic Sequence, BL = 4, WL = 2
CK#
CK
Com
0
1
2
3
4
5
6
7
8
Add
WL = 3
DQ
D0a
D0d
D1b
D1a
D0b
D2a
D2b
D3a
D3b
D4a
WR
A
BA0
A
BA1
A
BA2
A
BA3
A
BA4
A
BA5
A
BA6
A
BA7
A
BA0
WR
WR
WR
WR
WR
WR
WR
WR
Don't Care
WR:
Dxy:
WL:
WRITE
Data part y to bank x
Write Latency
A/BAx:
address A of bank x
D4b
D5a
CK#
CK
Com
0
1
2
3
4
5
6
7
8
Addr
WL = 2
DQ
D0a
D0d
D0c
D0b
D1a
D1b
D1c
D1d
D2b
WR
A
BA0
A
BA1
NOP
WR
WR
WR
WR
NOP
NOP
NOP
A
BA3
A
BA0
A
BA2
Don't Care
WR:
Dxy:
WL:
WRITE
Data part y to bank x
Write Latency
A / BAx:
address A of bank x
D2a
D2c
D2d
D3a
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