參數(shù)資料
型號(hào)： EDI9LC644V-BC
英文描述： Programmable VCOM; Temperature Range: -40°C to 85°C; Package: 12-DFN T&R
中文描述： 的SSRAM / SDRAM的MCP的
文件頁(yè)數(shù)： 25/25頁(yè)
文件大?。?/td> 1551K
代理商： EDI9LC644V-BC
9
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
EDI9LC644V
L
OP Code
Mode Register Set
Set the Mode Register
1
L
H
X
Auto or Self Refresh
Start Auto
1
L
H
L
X
Precharge
No Operation
L
H
BA
Row Address
Bank Activate
Activate the specified bank and row
Idle
L
H
L
BA
Column
Write w/o Precharge
ILLEGAL
2
L
H
L
H
BA
Column
Read w/o Precharge
ILLEGAL
1
L
H
L
X
Burst Termination
No Operation
1
L
H
X
No Operation
H
X
Device Deselect
No Operation
L
OP Code
Mode Register Set
ILLEGAL
L
H
X
Auto or Self Refresh
ILLEGAL
L
H
L
X
Precharge
3
L
H
BA
Row Address
Bank Activate
ILLEGAL
1
Row Active
L
H
L
BA
Column
Write
Start Write; Determine if Auto Precharge
4,5
L
H
L
H
BA
Column
Read
Start Read; Determine if Auto Precharge
4,5
L
H
L
X
Burst Termination
No Operation
L
H
X
No Operation
H
X
Device Deselect
No Operation
L
OP Code
Mode Register Set
ILLEGAL
L
H
X
Auto or Self Refresh
ILLEGAL
L
H
L
X
Precharge
Terminate Burst; Start the Precharge
L
H
BA
Row Address
Bank Activate
ILLEGAL
2
Read
L
H
L
BA
Column
Write
Terminate Burst; Start the Write cycle
5,6
L
H
L
H
BA
Column
Read
Terminate Burst; Start a new Read cycle
5,6
L
H
L
X
Burst Termination
Terminate the Burst
L
H
X
No Operation
Continue the Burst
H
X
Device Deselect
Continue the Burst
L
OP Code
Mode Register Set
ILLEGAL
L
H
X
Auto or Self Refresh
ILLEGAL
L
H
L
X
Precharge
Terminate Burst; Start the Precharge
L
H
BA
Row Address
Bank Activate
ILLEGAL
2
Write
L
H
L
BA
Column
Write
Terminate Burst; Start a new Write cycle
5,6
L
H
L
H
BA
Column
Read
Terminate Burst; Start the Read cycle
5,6
L
H
L
X
Burst Termination
Terminate the Burst
L
H
X
No Operation
Continue the Burst
H
X
Device Deselect
Continue the Burst
L
OP Code
Mode Register Set
ILLEGAL
L
H
X
Auto or Self Refresh
ILLEGAL
L
H
L
X
Precharge
ILLEGAL
2
Read with
L
H
BA
Row Address
Bank Activate
ILLEGAL
2
Auto Precharge
L
H
L
BA
Column
Write
ILLEGAL
L
H
L
H
BA
Column
Read
ILLEGAL
L
H
L
X
Burst Termination
ILLEGAL
L
H
X
No Operation
Continue the Burst
H
X
Device Deselect
Continue the Burst
SDRAM CURRENT STATE TRUTH TABLE
Current State
Command
Action
Notes
SDCE
SDRAS SDCAS
SDWE
A11
SDA10-A0
Description
(BA)
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PDF描述
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