Datasheet

AS4C32M16D1A-C&I
51 Rev. 1.0 Mar. /2015
Figure 36. Read without Auto Precharge
CK
CK
A0-A9
NOP
t
IS
t
IH
PRE
NOP NOP
VALID
VALID
VALID
t
IS
t
IH
t
CH
t
CL
t
CK
RA
CKE
DM
DQS
NOP READ
RA
t
IH
t
IS
DQ
CL=3
t
RP
ACT
NOP NOP
NOP
Col n
t
IS
t
IH
RA
ALL BANKS
ONE BANKS
Bank X
t
IS
t
IH
DIS AP
*Bank X
Bank X
t
RPRE
t
DQSCK
min
t
RPST
t
LZ
t
LZ t
AC
min
DQS
DQ
t
RPRE
t
RPST
t
LZ
t
LZ
max
t
DQSCK
t
HZ
max
t
IH
max
max
min
min
Don’t Care
DO n = Data Out from column n
PRE = PRECHARGE, ACT = ACTIVE, RA = Row Address, BA = Bank Address, AR = AUTOREFRESH
Burst Length = 4 in the case shown
3 subsequent elements of Data Out are provided in the programmed order following DO n
DIS AP = Disable Autoprecharge
* =“Don't Care”, if A10 is HIGH at this point
NOP commands are shown for ease of illustration; other commands may be valid at these times
Precharge may not be issued before tRAS ns after the ACTIVE command for applicable banks
DO
n
DO
n
COMMAND
A11,A12
A10
BA0,BA1
max
t
AC
Case 1:
t
AC
/t
DQSCK
=min
Case 2:
t
AC
/t
DQSCK
=max