參數(shù)資料
型號(hào)： V53C1256162VBLT8EPC
廠商： Electronic Theatre Controls, Inc.
英文描述： 256Mbit MOBILE SDRAM 2.5 VOLT FBGA PACKAGE 16M X 16
中文描述： 片256Mbit移動(dòng)SDRAM 2.5伏FBGA封裝16米x 16
文件頁(yè)數(shù)： 6/46頁(yè)
文件大?。?/td> 541K
代理商： V53C1256162VBLT8EPC
6
V55C2256164VB Rev. 1.0 April 2005
ProMOS TECHNOLOGIES
V55C2256164VB
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.
5. After Deep Power Down mode exit a full new initialization of memory device is mandatory
3.
4.
Operation
Device
State
CKE
n-1
CKE
n
CS
RAS
CAS
WE
DQM
A0-9,
A11
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
Deep Pwoer Down Entry
Idle
H
L
L
H
H
L
H
X
X
X
Deep Pwoer Down Exit
Deep power-
Down
L
H
X
X
X
X
H
X
X
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
V53C1256162VBLT8I 制造商:未知廠家 制造商全稱:未知廠家 功能描述:256Mbit MOBILE SDRAM 2.5 VOLT FBGA PACKAGE 16M X 16
V53C1256162VBLT8IPC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:256Mbit MOBILE SDRAM 2.5 VOLT FBGA PACKAGE 16M X 16
V53C1256162VBLT8PC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:256Mbit MOBILE SDRAM 2.5 VOLT FBGA PACKAGE 16M X 16
V53C1256162VBUS10 制造商:未知廠家 制造商全稱:未知廠家 功能描述:256Mbit MOBILE SDRAM 2.5 VOLT FBGA PACKAGE 16M X 16
V53C1256162VBUS10E 制造商:未知廠家 制造商全稱:未知廠家 功能描述:256Mbit MOBILE SDRAM 2.5 VOLT FBGA PACKAGE 16M X 16
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