參數(shù)資料
型號(hào)： W9812G6DH-8H
廠商： WINBOND ELECTRONICS CORP
元件分類： DRAM
英文描述： 8M X 16 SYNCHRONOUS DRAM, 6 ns, PDSO54
封裝： 0.400 INCH, 0.80 MM PITCH, ROHS COMPLIANT, TSOP2-54
文件頁(yè)數(shù)： 4/44頁(yè)
文件大?。?/td> 1221K
代理商： W9812G6DH-8H
W981216DH / W9812G6DH
- 12 -
11. 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 A0A9
A11
CS
RAS
CAS WE
Bank Active
Idle
H
x
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
Autoprecharge
Active (3)
H
x
v
H
v
L
H
L
Read
Active (3)
H
x
v
L
v
L
H
L
H
Read with
Autoprecharge
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
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
X
Clock Suspend Mode
Exit
Active
L
H
x
Power Down Mode
Exit
Any
(power
down)
L
H
x
H
L
x
H
x
H
x
Data write/Output
Enable
Active
H
x
L
x
Data Write/Output
Disable
Active
H
x
H
x
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W9812G6GH 制造商:WINBOND 制造商全稱:Winbond 功能描述:2M X 4 BANKS X 16 BITS SDRAM
W9812G6GH-6 制造商:WINBOND 制造商全稱:Winbond 功能描述:2M X 4 BANKS X 16 BITS SDRAM
W9812G6GH-6C 制造商:WINBOND 制造商全稱:Winbond 功能描述:2M X 4 BANKS X 16 BITS SDRAM
W9812G6GH-6I 制造商:WINBOND 制造商全稱:Winbond 功能描述:2M X 4 BANKS X 16 BITS SDRAM
W9812G6GH-75 制造商:Winbond Electronics Corp 功能描述:8M * 16 SDRAM
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