V58C2128(804/404/164)S
Figure 43 - READ - WITH AUTO PRECHARGE
t
t
t
CK
CH
CL
/CK
CK
t
t
t
IS IH
IH
CKE
VALID
NOP
VALID
NOP
VALID
NOP
t
t
IS IH
COMMAND
NOP
READ
NOP
PRE
NOP
NOP
ACT
t
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
t
IS IH
ALL BANKS
ONE BANK
A10
RA
DIS AP
t
t
IS IH
BA0, BA1
DM
Bank
x
*Bank
x
Bank x
t
CL = 2
RP
Case 1:
tAC/tDQSCK = min
t
t
QPST
RPST
t
t
QPRE
RPRE
/QFC
(optional)
t
DQSCK
min
DQS
DQ
t
t
HZ
LZ
min
min
DO
n
t
t
LZ
AC
min
min
Case 2:
tAC/tDQSCK = max
t
QPST
t
QPRE
/QFC
(optional)
t
DQSCK
max
t
t
RPST
RPRE
DQS
DQ
t
t
HZ
LZ
max
max
DO
n
t
t
LZ
AC
max
max
DON'T CARE
DO
n = Data Out from column n
Burst Length = 4 in the case shown
3 subsequent elements of Data Out are provided in the programmed order following DO
DIS AP = Disable Autoprecharge
n
* = "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
V58C2128(804/404/164)S Rev. 1.6 March 2002
53
MOSEL [ MOSEL VITELIC, CORP ]
