V58C2128(804/404/164)S
Figure 47 - BANK WRITE ACCESS
t
t
t
CL
CK
CH
/CK
CK
t
t
IS
IH
CKE
t
t
IS IH
COMMAND
NOP
ACT
NOP
NOP
WRITE
NOP
NOP
NOP
NOP
PRE
t
t
IS IH
x4:A0-A9
x8:A0-A8
x16:A0-A7
RA
Col
n
x4:A11
x8:A9, A11
RA
RA
x16:A8, A9, A11
t
t
IS IH
ALL BANKS
ONE BANK
A10
DIS AP
t
t
IS IH
BA0, BA1
Bank
x
Bank
x
*Bank x
t
RAS
t
t
WR
RCD
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:
tDQSS = max
DSS
DSS
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
DIS AP = Disable Autoprecharge
n
* = "Don't Care", if A10 is HIGH at this point
PRE = PRECHARGE, ACT = ACTIVE, RA = Row 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
57
MOSEL [ MOSEL VITELIC, CORP ]
