參數(shù)資料
型號(hào)： V54C3128404VBI6I
廠商： PROMOS TECHNOLOGIES INC
元件分類： DRAM
英文描述： 32M X 4 SYNCHRONOUS DRAM, 5.4 ns, PDSO54
封裝： GREEN, TSOP2-54
文件頁數(shù)： 4/56頁
文件大?。?/td> 726K
代理商： V54C3128404VBI6I
12
V54C3128(16/80/40)4VB*I Rev.1.4 December 2007
ProMOS TECHNOLOGIES
V54C3128(16/80/40)4VB*I
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.
V = Valid , x = Don’t Care, L = Low Level, H = High Level
2.
CKEn signal is input level when commands are provided, CKEn-1 signal is input level one clock before the commands
are provided.
3.
These are state of bank designated by BS0, BS1 signals.
4.
Power Down Mode can not entry in the burst cycle.
Operation
Device
State
CKE
n-1
CKE
nCS
RAS
CAS
WE
DQM
A0-9,
A11
A10
BS0
BS1
Row Activate
Idle3
HX
L
H
X
V
Read
Active3
HX
LHLHX
V
L
V
Read w/Autoprecharge
Active3
HX
LHLHX
V
H
V
Write
Active3
HX
LHL
L
X
V
L
V
Write with Autoprecharge
Active3
HX
LHL
L
X
V
H
V
Row Precharge
Any
H
X
L
H
L
X
L
V
Precharge All
Any
H
X
L
H
L
X
H
X
Mode Register Set
Idle
H
X
L
X
V
No Operation
Any
H
X
L
H
X
Device Deselect
Any
H
X
H
X
Auto Refresh
Idle
H
L
H
X
Self Refresh Entry
Idle
H
L
H
X
Self Refresh Exit
Idle
(Self Refr.)
L
H
XXX
XX
X
LH
H
X
Power Down Entry
Idle
Active4
HL
H
XXX
XX
X
LH
H
X
Power Down Exit
Any
(Power
Down)
LH
H
XXX
XX
X
LH
H
L
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
V54C3128404VBJ8PC 32M X 4 SYNCHRONOUS DRAM, 6 ns, PBGA60
V54C3128804VBLT7 16M X 8 SYNCHRONOUS DRAM, 5.4 ns, PDSO54
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V54C3128404VBLI7 32M X 4 SYNCHRONOUS DRAM, 5.4 ns, PDSO54
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
V54C3128404VS 制造商:MOSEL 制造商全稱:MOSEL 功能描述:128Mbit SDRAM 3.3 VOLT, TSOP II / SOC PACKAGE 8M X 16, 16M X 8, 32M X 4
V54C3128404VT 制造商:MOSEL 制造商全稱:MOSEL 功能描述:128Mbit SDRAM 3.3 VOLT, TSOP II / SOC PACKAGE 8M X 16, 16M X 8, 32M X 4
V54C3128804VAT 制造商:MOSEL 制造商全稱:MOSEL 功能描述:HIGH PERFORMANCE 143/133/125MHz 3.3 VOLT 16M X 8 SYNCHRONOUS DRAM 4 BANKS X 4Mbit X 8
V54C3128804VAT7 制造商:MOSEL 制造商全稱:MOSEL 功能描述:HIGH PERFORMANCE 143/133/125MHz 3.3 VOLT 16M X 8 SYNCHRONOUS DRAM 4 BANKS X 4Mbit X 8
V54C3128804VAT8 制造商:MOSEL 制造商全稱:MOSEL 功能描述:HIGH PERFORMANCE 143/133/125MHz 3.3 VOLT 16M X 8 SYNCHRONOUS DRAM 4 BANKS X 4Mbit X 8
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