WED3DL328V Просмотр технического описания (PDF) - White Electronic Designs Corporation
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WED3DL328V Datasheet PDF : 27 Pages
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White Electronic Designs
WED3DL328V
CURRENT STATE TRUTH TABLE (CONT.)
Current State
Write with
Auto Precharge
Precharging
Row Activating
Write Recovering
Write Recovering
with Auto
Precharge
Command
CE# RAS# CAS# WE# BA0-1
A11,
A10/AP-A0
Description
L
L
L
L
OP Code
Mode Register Set
L
L
L
H
X
X
Auto orSelf Refresh
L
L
H
L
X
X
Precharge
L
L
H
H
BA Row Address
Bank Activate
L
H
L
L
BA
Column
Write
L
H
L
H
BA
Column
Read
L
H
H
L
X
X
Burst Termination
L
H
H
H
X
X
No Operation
H
X
X
X
X
X
Device Deselect
L
L
L
L
OP Code
Mode Register Set
L
L
L
H
X
X
Auto orSelf Refresh
L
L
H
L
X
X
Precharge
L
L
H
H
BA Row Address
Bank Activate
L
H
L
L
BA
Column
Write w/o Precharge
L
H
L
H
BA
Column
Read w/o Precharge
L
H
H
L
X
X
Burst Termination
L
H
H
H
X
X
No Operation
H
X
X
X
X
X
Device Deselect
L
L
L
L
OP Code
Mode Register Set
L
L
L
H
X
X
Auto orSelf Refresh
L
L
H
L
X
X
Precharge
L
L
H
H
BA Row Address
Bank Activate
L
H
L
L
BA
Column
Write
L
H
L
H
BA
Column
Read
L
H
H
L
X
X
Burst Termination
L
H
H
H
X
X
No Operation
H
X
X
X
X
X
Device Deselect
L
L
L
L
OP Code
Mode Register Set
L
L
L
H
X
X
Auto orSelf Refresh
L
L
H
L
X
X
Precharge
L
L
H
H
BA Row Address
Bank Activate
L
H
L
L
BA
Column
Write
L
H
L
H
BA
Column
Read
L
H
H
L
X
X
Burst Termination
L
H
H
H
X
X
No Operation
H
X
X
X
X
X
Device Deselect
L
L
L
L
OP Code
Mode Register Set
L
L
L
H
X
X
Auto orSelf Refresh
L
L
H
L
X
X
Precharge
L
L
H
H
BA Row Address
Bank Activate
L
H
L
L
BA
Column
Write
L
H
L
H
BA
Column
Read
L
H
H
L
X
X
Burst Termination
L
H
H
H
X
X
No Operation
H
X
X
X
X
X
Device Deselect
Action
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Continue the Burst
Continue the Burst
ILLEGAL
ILLEGAL
No Operation; Bank(s) idle after tRP
ILLEGAL
ILLEGAL
ILLEGAL
No Operation; Bank(s) idle after tRP
No Operation; Bank(s) idle after tRP
No Operation; Bank(s) idle after tRP
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
No Operation; Row active after tRCD
No Operation; Row active after tRCD
No Operation; Row active after tRCD
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Start Write; Determine if Auto Precharge
Start Read; Determine if Auto Precharge
No Operation; Row active after tDPL
No Operation; Row active after tDPL
No Operation; Row active after tDPL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
No Operation; Precharge after tDPL
No Operation; Precharge after tDPL
No Operation; Precharge after tDPL
Notes
4
4
4
4
4
4
4,10
4
4
4
4
9
9
4
4
4,9
4,9
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
June, 2002
Rev. 1
10
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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