V58C2128(804/404/164)S
Figure 46 - WRITE - WITH AUTO PRECHARGE
t
t
t
CL
CK
CH
/CK
CK
t
t
IS IH
CKE
VALID
NOP
VALID
NOP
VALID
t
t
IS IH
COMMAND
NOP
WRITE
NOP
NOP
NOP
NOP
NOP
ACT
t
t
IS IH
x4:A0-A9
x8:A0-A8
x16:A0-A7
Col
n
RA
RA
x4:A11
x8:A9, A11
x16:A8, A9, A11
EN AP
A10
RA
BA
t
t
IS IH
BA0, BA1
Bank x
t
DAL
t
t
DSH
Case 1:
DSH
tDQSS = min
t
DQSH
t
t
WPST
DQSS
DQS
t
WPRES
t
DQSL
t
WPRE
DI
n
DQ
DM
t
QOH MAX
t
QCK
/QFC
(optional)
t
t
Case 2:
DSS
DSS
tDQSS = max
t
DQSH
t
t
WPST
DQSS
DQS
t
WPRES
t
DQSL
t
WPRE
DI
n
DQ
DM
t
QOH MIN
t
QCK
/QFC
(optional)
DON'T CARE
DI
n = Data In for column n
Burst Length = 4 in the case shown
3 subsequent elements of Data In are applied in the programmed order following DI
EN AP = Enable Autoprecharge
n
ACT = ACTIVE, RA = Row Address, BA = Bank Address
NOP commands are shown for ease of illustration; other valid commands may be possible at these times
V58C2128(804/404/164)S Rev. 1.6 March 2002
56
MOSEL [ MOSEL VITELIC, CORP ]
