t
t
CL
CK
t
t
CH
RP
CK
CK
t
IH
t
t
IH
IS
VALID
NOP
VALID
NOP
VALID
NOP
CKE
Command
A0-A9, A11
t
IH
t
IS
NOP
Read
t
NOP
PRE
NOP
NOP
ACT
RA
IH
t
IS
COL n
t
IH
t
ALL BANKS
ONE BANK
IS
RA
A10
DIS AP
t
IH
t
IS
BA x
BA x*
BA x
BA0, BA1
DM
t
(min)
LZ
t
RPRE
DQS
t
(min)
HZ
Case 1:
tAC/tDQSCK = min
t
(min)
AC
t
RPST
t
(min)
CL=2
DQSCK
DQ
DO n
t
(max)
RPRE
LZ
t
DQS
t
(max)
HZ
Case 2:
tAC/tDQSCK = max
t
(max)
AC
t
RPST
t
(max)
LZ
t
(max)
DQSCK
DQ
DO n
DO n = data out from column n.
3 subsequent elements of data out are provided in the programmed order following DO n.
DIS AP = Disable Auto Precharge.
* = Don't care if A10 is High at this point.
PRE = Precharge; ACT = Active; RA = Row address; BA = Bank address.
NOP commands are shown for ease of illustration; other commands may be valid at these times.
Don’t Care
IBM [ IBM ]
