參數(shù)資料
型號(hào)： V54C3256804VB
廠(chǎng)商： Mosel Vitelic, Corp.
英文描述： 256Mbit SDRAM 3.3 VOLT, TSOP II / SOC BGA / WBGA PACKAGE 16M X 16, 32M X 8, 64M X 4
中文描述： 片256Mbit SDRAM的3.3伏，第二的TSOP /系統(tǒng)芯片的BGA / WBGA包裝16米x 16，32 × 8，64米× 4
文件頁(yè)數(shù)： 12/52頁(yè)
文件大?。?/td> 853K
代理商： V54C3256804VB
12
V54C3256(16/80/40)4V(T/S/B) Rev. 1.6 September 2002
MOSEL VITELIC
V54C3256(16/80/40)4V(T/S/B)
Operation Definition
All of SDRAM operations are defined by states of control signals CS, RAS, CAS, WE, and DQM at the
positive edge of the clock. The following list shows the thruth table for the operation commands.
Notes:
1.
2.
V = Valid , x = Don’t Care, L = Low Level, H = High Level
CKEn signal is input level when commands are provided, CKEn-1 signal is input level one clock before the commands
are provided.
These are state of bank designated by BS0, BS1 signals.
Power Down Mode can not entry in the burst cycle.
3.
4.
Operation
Device
State
CKE
n-1
CKE
n
CS
RAS
CAS
WE
DQM
A0-9,
A11,
A12
A10
BS0
BS1
Row Activate
Idle
3
H
X
L
L
H
H
X
V
V
V
Read
Active
3
H
X
L
H
L
H
X
V
L
V
Read w/Autoprecharge
Active
3
H
X
L
H
L
H
X
V
H
V
Write
Active
3
H
X
L
H
L
L
X
V
L
V
Write with Autoprecharge
Active
3
H
X
L
H
L
L
X
V
H
V
Row Precharge
Any
H
X
L
L
H
L
X
X
L
V
Precharge All
Any
H
X
L
L
H
L
X
X
H
X
Mode Register Set
Idle
H
X
L
L
L
L
X
V
V
V
No Operation
Any
H
X
L
H
H
H
X
X
X
X
Device Deselect
Any
H
X
H
X
X
X
X
X
X
X
Auto Refresh
Idle
H
H
L
L
L
H
X
X
X
X
Self Refresh Entry
Idle
H
L
L
L
L
H
X
X
X
X
Self Refresh Exit
Idle
(Self Refr.)
L
H
H
X
X
X
X
X
X
X
L
H
H
X
Power Down Entry
Idle
Active
4
H
L
H
X
X
X
X
X
X
X
L
H
H
X
Power Down Exit
Any
(Power
Down)
L
H
H
X
X
X
X
X
X
X
L
H
H
L
Data Write/Output Enable
Active
H
X
X
X
X
X
L
X
X
X
Data Write/Output Disable
Active
H
X
X
X
X
X
H
X
X
X
相關(guān)PDF資料
PDF描述
V54C3256804VS 256Mbit SDRAM 3.3 VOLT, TSOP II / SOC BGA / WBGA PACKAGE 16M X 16, 32M X 8, 64M X 4
V54C3256804VT 256Mbit SDRAM 3.3 VOLT, TSOP II / SOC BGA / WBGA PACKAGE 16M X 16, 32M X 8, 64M X 4
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
V54C3256804VBS 制造商:MOSEL 制造商全稱(chēng):MOSEL 功能描述:256Mbit SDRAM 3.3 VOLT, TSOP II / SOC BGA / WBGA PACKAGE 16M X 16, 32M X 8, 64M X 4
V54C3256804VBT 制造商:MOSEL 制造商全稱(chēng):MOSEL 功能描述:256Mbit SDRAM 3.3 VOLT, TSOP II / SOC BGA / WBGA PACKAGE 16M X 16, 32M X 8, 64M X 4
V54C3256804VS 制造商:MOSEL 制造商全稱(chēng):MOSEL 功能描述:256Mbit SDRAM 3.3 VOLT, TSOP II / SOC BGA / WBGA PACKAGE 16M X 16, 32M X 8, 64M X 4
V54C3256804VT 制造商:MOSEL 制造商全稱(chēng):MOSEL 功能描述:256Mbit SDRAM 3.3 VOLT, TSOP II / SOC BGA / WBGA PACKAGE 16M X 16, 32M X 8, 64M X 4
V54C328404VCT7 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:x4 SDRAM
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