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參數資料
| 型號： | W986416DH |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 1M X 4 BANKS X 16 BITS SDRAM |
| 中文描述： | 100萬× 4銀行X 16位內存 |
| 文件頁數： | 9/48頁 |
| 文件大小： | 1647K |
| 代理商： | W986416DH |
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W986416DH
Publication Release Date: April 11, 2002
- 9 -
Revision A4
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 1
.
Table 1 Address Sequence of Sequential Mode
DATA
ACCESS ADDRESS
BURST LENGTH
Data 0
n
BL = 2 (disturb address is A0)
Data 1
n + 1
No address carry from A0 to A1
Data 2
n + 2
BL = 4 (disturb addresses are A0 and A1)
Data 3
n + 3
No address carry from A1 to A2
Data 4
n + 4
Data 5
n + 5
BL = 8 (disturb addresses are A0, A1 and A2)
Data 6
n + 6
No address carry from A2 to A3
Data 7
n + 7
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 2.
Table 2 Address Sequence of Interleave Mode
DATA
ACCESS ADDRESS
BUST LENGTH
Data 0
A8 A7 A6 A5 A4 A3 A2 A1 A0
BL = 2
Data 1
A8 A7 A6 A5 A4 A3 A2 A1 A0
Data 2
A8 A7 A6 A5 A4 A3 A2 A1 A0
BL = 4
Data 3
A8 A7 A6 A5 A4 A3 A2 A1 A0
Data 4
A8 A7 A6 A5 A4 A3 A2 A1 A0
BL = 8
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
Auto-precharge Command
If A10 is set to high when the Read or Write Command is issued, then the auto-precharge function is
entered. During auto-precharge, a Read Command will execute as normal with the exception that the
active bank will begin to precharge automatically before all burst read cycles have been completed.
相關PDF資料 |
PDF描述 |
|---|---|
| W986416CH | 1M x 16 BIT x 4 BANKS SDRAM |
| W986416CH-6 | x16 SDRAM |
| W986416CH-7 | x16 SDRAM |
| W986416CH-75 | x16 SDRAM |
| W986416CH-8H | x16 SDRAM |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W986416DH-5 | 制造商:Winbond Electronics Corp 功能描述:4M X 16 SYNCHRONOUS DRAM, 4.5 ns, 54 Pin Plastic SMT |
| W986416DH-55 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SDRAM|4X1MX16|CMOS|TSOP|54PIN|PLASTIC |
| W986416DH-6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SDRAM|4X1MX16|CMOS|TSOP|54PIN|PLASTIC |
| W986416DH-7 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SDRAM|4X1MX16|CMOS|TSOP|54PIN|PLASTIC |
| W986416DH-7L | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SDRAM|4X1MX16|CMOS|TSOP|54PIN|PLASTIC |
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