參數(shù)資料
型號(hào)： W9864G6IH-6
廠商： WINBOND ELECTRONICS CORP
元件分類： DRAM
英文描述： 4M X 16 DDR DRAM, 5 ns, PDSO54
封裝： 0.400 INCH, ROHS COMPLIANT, TSOP2-54
文件頁(yè)數(shù)： 4/44頁(yè)
文件大?。?/td> 666K
代理商： W9864G6IH-6
W9864G6IH
Publication Release Date: Mar. 22, 2010
- 12 -
Revision A11
8. OPERATION MODE
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,
A11
CS
RAS
CAS
WE
Bank Active
Idle
H
x
v
V
L
H
Bank Precharge
Any
H
x
v
L
x
L
H
L
Precharge All
Any
H
x
H
x
L
H
L
Write
Active
(3)
H
x
v
L
v
L
H
L
Write with Auto-precharge
Active
(3)
H
x
v
H
v
L
H
L
Read
Active
(3)
H
x
v
L
v
L
H
L
H
Read with Auto-precharge
Active
(3)
H
x
v
H
v
L
H
L
H
Mode Register Set
Idle
H
x
v
L
No-Operation
Any
H
x
L
H
Burst Stop
Active
(4)
H
x
L
H
L
Device Deselect
Any
H
x
H
x
Auto-Refresh
Idle
H
x
L
H
Self-Refresh Entry
Idle
H
L
x
L
H
Self Refresh Exit
idle
(S.R)
L
H
x
H
L
x
H
x
H
x
Clock suspend Mode
Entry
Active
H
L
x
Power Down Mode Entry
Idle
Active
(5)
H
L
x
H
L
x
H
x
H
X
H
Clock Suspend Mode Exit
Active
L
H
x
X
Power Down Mode Exit
Any
(Power
Down)
L
H
x
H
L
x
H
x
H
X
H
Data write/Output Enable
Active
H
x
L
x
Data write/Output Disable
Active
H
x
H
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)
參數(shù)描述
W9864G6IH-6I 制造商:Winbond Electronics Corp 功能描述:DRAM Chip SDRAM 64M-Bit 4Mx16 3.3V
W9864G6IH-7 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M 】 4BANKS 】 16BITS SDRAM
W9864G6IH-7S 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M 】 4BANKS 】 16BITS SDRAM
W9864G6JB-6 制造商:Winbond Electronics Corp 功能描述:IC SDRAM 64MBIT 166MHZ 制造商:Winbond Electronics Corp 功能描述:IC SDRAM 64MBIT 166MHZ 60VFBGA
W9864G6JH 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M ? 4 BANKS ? 16 BITS SDRAM
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