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參數(shù)資料
| 型號： | W9864G6DB-7 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | DRAM |
| 英文描述： | 1M x 4 BANKS x 16 BITS SDRAM |
| 中文描述： | 4M X 16 SYNCHRONOUS DRAM, 5.5 ns, PBGA60 |
| 封裝： | 0.65 MM PITCH, BGA-60 |
| 文件頁數(shù)： | 12/48頁 |
| 文件大?。?/td> | 1283K |
| 代理商： | W9864G6DB-7 |
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W986432DH
- 12 -
8. TABLE OF OPERATING MODES
Fully synchronous operations are performed to latch the commands at the positive edges of CLK.
Table 1 shows the truth table for the operation commands.
TABLE 1 TRUTH TABLE (Note (1), (2))
COMMAND
DEVICE
STATE
CKEN-1 CKEN
DQM BS0, 1
A10
A0-A9
CS
RAS
CAS
WE
Bank Active
Idle
H
x
x
v
v
V
L
L
H
H
Bank Precharge
Any
H
x
x
v
L
x
L
L
H
L
Precharge All
Any
H
x
x
x
H
x
L
L
H
L
Write
Active (3)
H
x
x
v
L
v
L
H
L
L
Write with Auto pre-
charge
Active (3)
H
x
x
v
H
v
L
H
L
L
Read
Active (3)
H
x
x
v
L
v
L
H
L
H
Read with Auto pre-
charge
Active (3)
H
x
x
v
H
v
L
H
L
H
Mode Register Set
Idle
H
x
x
v
v
v
L
L
L
L
No-operation
Any
H
x
x
x
x
x
L
H
H
H
Burst Stop
Active (4)
H
x
x
x
x
x
L
H
H
L
Device Deselect
Any
H
x
x
x
x
x
H
x
x
x
Auto Refresh
Idle
H
H
x
x
x
x
L
L
L
H
Self Refresh Entry
Idle
H
L
x
x
x
x
L
L
L
H
Self Refresh Exit
idle
(S.R)
L
L
H
H
x
x
x
x
x
x
x
x
H
L
x
H
x
H
x
x
Clock Suspend Mode
Entry
Active
H
L
x
x
x
x
x
x
x
x
Power Down Mode Entry
Idle
Active (5)
H
H
L
L
x
x
x
x
x
x
x
x
H
L
x
H
x
H
X
H
Clock Suspend Mode
Exit
Active
L
H
x
x
x
x
x
x
x
X
Power Down Mode Exit
Any
(power
down)
L
L
H
H
x
x
x
x
x
x
x
x
H
L
x
H
x
H
X
H
Data write/Output Enable
Active
H
x
L
x
x
x
x
x
x
x
Data Write/Output
Disable
Active
H
x
H
x
x
x
x
x
x
x
Notes:
(1) v = valid, x = Don't care, L = Low Level, H = High Level
(2) CKEn signal is input leve l when commands are provided.
(3) These are state of bank designated by BS0, BS1 signals.
(4) Device state is full page burst operation.
(5) Power Down Mode can not be entered in the burst cycle.
When this command asserts in the burst cycle, device state is clock suspend mode.
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相關(guān)代理商/技術(shù)參數(shù) |
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| W9864G6GH | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M 】 4 BANKS 】 16 BITS SDRAM |
| W9864G6GH-5 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M 】 4 BANKS 】 16 BITS SDRAM |
| W9864G6GH-6 | 制造商:Winbond Electronics Corp 功能描述:4*16BIT SDRAM |
| W9864G6GH-6I | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M 】 4 BANKS 】 16 BITS SDRAM |
| W9864G6GH-7 | 制造商:Winbond Electronics Corp 功能描述:64M 3.3V SDRAM 4M X 16 |
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