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參數(shù)資料
| 型號(hào)： | W981216AH |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 2M x 16 bit x 4 Banks SDRAM |
| 中文描述： | 200萬(wàn)× 16位× 4個(gè)銀行內(nèi)存 |
| 文件頁(yè)數(shù)： | 12/44頁(yè) |
| 文件大小： | 2173K |
| 代理商： | W981216AH |
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W981216AH
2M x 16 bit x 4 Banks SDRAM
Revision 1.0 Publication Release Date: March, 1999
- 12 -
Table 2 Address Sequence of Sequential Mode
DATA
Data 0
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
Access Address
n
n + 1
n + 2
n + 3
n + 4
n + 5
n + 6
n + 7
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
.
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
Data 0
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
Access Address
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
Burst Length
BL = 2
BL = 4
BL = 8
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W981216BH | 2M x 4 BANKS x 16 BIT SDRAM |
| W981216AH-75 | x16 SDRAM |
| W981216AH-8H | x16 SDRAM |
| W981616BH | 512K ⅴ 2 BANKS ⅴ 16 BITS SDRAM |
| W981616AH | 512K x 2 BANKS x 16 BIT SDRAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W981216AH-75 | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:x16 SDRAM |
| W981216AH-8H | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:x16 SDRAM |
| W981216BH | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:2M x 4 BANKS x 16 BIT SDRAM |
| W981216BH-75 | 制造商:Winbond Electronics Corp 功能描述:SDRAM, 8M x 16, 54 Pin, Plastic, TSOP |
| W9812G2GB | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:1M 】 4 BANKS 】 32BITS SDRAM |
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