W632GU8KB Datasheet, PDF (94/160 Pages) Winbond – 32M X 8 BANKS X 8 BIT DDR3L SDRAM

W632GU8KB
9. OPERATION MODE
9.1 Command Truth Table
Notes 1, 2, 3 and 4 apply to the entire Command Truth Table.
Note 5 Applies to all Read/Write commands.
[BA=Bank Address, RA=Row Address, CA=Column Address, BC#=Burst Chop, X=Don't Care, V=Valid]
Table 15 – Command Truth Table
COMMAND
Mode Register Set
Refresh
Self Refresh Entry
Self Refresh Exit
Single Bank Precharge
Precharge all Banks
Bank Activate
Write (Fixed BL8 or BC4)
Write (BC4, on the Fly)
Write (BL8, on the Fly)
Write with Auto Precharge
(Fixed BL8 or BC4)
Write with Auto Precharge
(BC4, on the Fly)
Write with Auto Precharge
(BL8, on the Fly)
Read (Fixed BL8 or BC4)
Read (BC4, on the Fly)
Read (BL8, on the Fly)
Read with Auto Precharge
(Fixed BL8 or BC4)
Read with Auto Precharge
(BC4, on the Fly)
Read with Auto Precharge
(BL8, on the Fly)
No Operation
Device Deselected
Power Down Entry
Power Down Exit
ZQ Calibration Long
ZQ Calibration Short
Abbr.
MRS
REF
SRE
SRX
PRE
PREA
ACT
WR
WRS4
WRS8
CKE
Previous
Current ^CS#
RAS#
CAS# WE#
BA0-
BA2
Cycle Cycle
H
H
LL
L
L BA
H
H
LL
LHV
H
L
LL
LHV
HX
XXX
L
H
LH
HHV
H
H
LL
H L BA
H
H
LL
HLV
H
H
LL
H H BA
H
H
LH
L
L BA
H
H
LH
L
L BA
H
H
LH
L
L BA
WRA
H
H
LH
L
L BA
WRAS4
H
H
LH
L
L BA
WRAS8
H
RD
H
RDS4
H
RDS8
H
RDA
H
H
LH
L
L BA
H
LH
L H BA
H
LH
L H BA
H
LH
L H BA
H
LH
L H BA
RDAS4
H
H
LH
L H BA
RDAS8
H
NOP
H
DES
H
PDE
H
PDX
L
ZQCL
H
ZQCS
H
H
LH
L H BA
H
LH
HHV
H
HX
XXX
LH
HHV
L
HX
XXX
LH
HHV
H
HX
XXX
H
LH
HLX
H
LH
HLX
A13- A12/
A14 BC#
A10/
AP
A0-
A9,
A11
OP Code
V
V
V
V
V
V
V
V
X
X
X
X
V
V
V
V
V
V
L
V
V
V
H
V
Row Address (RA)
RFU V
L
CA
RFU L
L
CA
RFU H
L
CA
RFU V
H CA
RFU L
H CA
RFU H
RFU V
RFU L
RFU H
RFU V
H CA
L
CA
L
CA
L
CA
H CA
RFU L
H CA
RFU H
V
V
X
X
V
V
X
X
V
V
X
X
X
X
X
X
H CA
V
V
X
X
V
V
X
X
V
V
X
X
H
X
L
X
NOTES
7,9,12
7,8,9,12
5
5
5
5
5
5
5
5
5
5
5
5
10
11
6,12
6,12
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Publication Release Date: Jan. 20, 2015
Revision: A05