WED9LC6416V1610BC Ver la hoja de datos (PDF) - White Electronic Designs => Micro Semi
Número de pieza
componentes Descripción
Fabricante
WED9LC6416V1610BC Datasheet PDF : 27 Pages
| |||
WED9LC6416V
Current State
Idle
Row Active
Read
Write
Read with
Auto Precharge
SDCE
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
SDRAM CURRENT STATE TRUTH TABLE
SDRAS SDCAS
L
L
L
L
L
H
L
H
H
L
H
L
H
H
H
H
X
X
L
L
L
L
L
H
L
H
H
L
H
L
H
H
H
H
X
X
L
L
L
L
L
H
L
H
H
L
H
L
H
H
H
H
X
X
L
L
L
L
L
H
L
H
H
L
H
L
H
H
H
H
X
X
L
L
L
L
L
H
L
H
H
L
H
L
H
H
H
H
X
X
Command
SDWE
A12 & A13
(BA)
A11-A0
Description
Action
L
OP Code
Mode Register Set
Set the Mode Register
H
X
X
Auto or Self Refresh
Start Auto
L
X
X
Precharge
No Operation
H
BA Row Address Bank Activate
Activate the specified bank and row
L
BA
Column Write w/o Precharge
ILLEGAL
H
BA
Column Read w/o Precharge
ILLEGAL
L
X
X
Burst Termination
No Operation
H
X
X
No Operation
No Operation
X
X
X
Device Deselect
No Operation
L
OP Code
Mode Register Set
ILLEGAL
H
X
X
Auto or Self Refresh
ILLEGAL
L
X
X
Precharge
Precharge
H
BA Row Address Bank Activate
ILLEGAL
L
BA
Column
Write
Start Write; Determine if Auto Precharge
H
BA
Column
Read
Start Read; Determine if Auto Precharge
L
X
X
Burst Termination
No Operation
H
X
X
No Operation
No Operation
X
X
X
Device Deselect
No Operation
L
OP Code
Mode Register Set
ILLEGAL
H
X
X
Auto or Self Refresh
ILLEGAL
L
X
X
Precharge
Terminate Burst; Start the Precharge
H
BA Row Address Bank Activate
ILLEGAL
L
BA
Column
Write
Terminate Burst; Start the Write cycle
H
BA
Column
Read
Terminate Burst; Start a new Read cycle
L
X
X
Burst Termination
Terminate the Burst
H
X
X
No Operation
Continue the Burst
X
X
X
Device Deselect
Continue the Burst
L
OP Code
Mode Register Set
ILLEGAL
H
X
X
Auto or Self Refresh
ILLEGAL
L
X
X
Precharge
Terminate Burst; Start the Precharge
H
BA Row Address Bank Activate
ILLEGAL
L
BA
Column
Write
Terminate Burst; Start a new Write cycle
H
BA
Column
Read
Terminate Burst; Start the Read cycle
L
X
X
Burst Termination
Terminate the Burst
H
X
X
No Operation
Continue the Burst
X
X
X
Device Deselect
Continue the Burst
L
OP Code
Mode Register Set
ILLEGAL
H
X
X
Auto or Self Refresh
ILLEGAL
L
X
X
Precharge
ILLEGAL
H
BA Row Address Bank Activate
ILLEGAL
L
BA
Column
Write
ILLEGAL
H
BA
Column
Read
ILLEGAL
L
X
X
Burst Termination
ILLEGAL
H
X
X
No Operation
Continue the Burst
X
X
X
Device Deselect
Continue the Burst
Notes
1
1
2
1
1
3
1
4,5
4,5
2
5,6
5,6
2
5,6
5,6
2
2
January 20001
11
White Electronic Designs Corporation • (508) 366-5151 • www.whiteedc.com
Share Link: 