參數(shù)資料
型號： W981204AH-8H
英文描述： x4 SDRAM
中文描述： x4內(nèi)存
文件頁數(shù)： 12/42頁
文件大?。?/td> 1082K
代理商： W981204AH-8H
W981204AH
8M x 4 Banks x 4 bits SDRAM
Revision 1.0 Publication Release Date: June, 2000
- 12 -
Table 2 Address Sequence of Sequential Mode
DATA
Access Address
Data 0
n
Data 1
n + 1
Data 2
n + 2
Data 3
n + 3
Data 4
n + 4
Data 5
n + 5
Data 6
n + 6
Data 7
n + 7
.
Addressing Sequence of Sequential Mode
A column access is performed by increasing the address from the column address which is input to the
device. The disturb address is varied by the Burst Length as shown in Table 2.
.
Addressing Sequence of Interleave Mode
A column access is started in the input column address and is performed by inverting the address bit in the
sequence shown in Table 3.
Table 3 Address Sequence of Interleave Mode
DATA
Access Address
Data 0
A8 A7 A6 A5 A4 A3 A2 A1 A0
Data 1
A8 A7 A6 A5 A4 A3 A2 A1 A0
Data 2
A8 A7 A6 A5 A4 A3 A2 A1 A0
Data 3
A8 A7 A6 A5 A4 A3 A2 A1 A0
Data 4
A8 A7 A6 A5 A4 A3 A2 A1 A0
Data 5
A8 A7 A6 A5 A4 A3 A2 A1 A0
Data 6
A8 A7 A6 A5 A4 A3 A2 A1 A0
Data 7
A8 A7 A6 A5 A4 A3 A2 A1 A0
Burst Length
BL= 2 (disturb address is A0)
No address carry from A0 to A1
BL= 4 (disturb addresses are A0 and A1)
No address carry from A1 to A2
BL= 8 (disturb addresses are A0, A1 and A2)
No address carry from A2 to A3
Burst Length
BL = 2
BL = 4
BL = 8
相關(guān)PDF資料
PDF描述
W982504AH-7 x4 SDRAM
W982504AH-75 x4 SDRAM
W982504AH-8H x4 SDRAM
W982508AH-7 x8 SDRAM
W982508AH-75 x8 SDRAM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W981208AH 制造商:WINBOND 制造商全稱:Winbond 功能描述:4M x 8 bit x 4 Banks SDRAM
W981208AH-75 制造商:WINBOND 制造商全稱:Winbond 功能描述:x8 SDRAM
W981208AH-8H 制造商:WINBOND 制造商全稱:Winbond 功能描述:x8 SDRAM
W981208BH 制造商:WINBOND 制造商全稱:Winbond 功能描述:4M x 4 BANKS x 8 BIT SDRAM
W981208BH-7 制造商:WINBOND 制造商全稱:Winbond 功能描述:x8 SDRAM
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