Datasheet

Figure 37. Burst read operation followed by precharge:
(RL=4, AL=0, CL=4, BL=8, t
RTP
>2 clocks)
CK#
CK
CMD
T0 T1 T4 T5 T6 T7 T8T2 T3
Post CAS#
READ A
NOP NOP NOP NOP
Precharge A
NOP NOP
Bank A
Activate
DQS
DQS#
RL= 4
DOUT
A
0
DOUT
A
1
DOUT
A
2
DOUT
A
3
DQ's
AL + 2 + max( t
RTP
, 2 t
CK
)*
CL = 4
AL = 0
First 4-bit prefetch
>=t
RTP
Second 4-bit prefetch
DOUT
A
4
DOUT
A
5
DOUT
A
6
DOUT
A
7
>=t
RP
>=t
RAS
*: rounded to next integer.
Figure 38. Burst write operation followed by precharge: WL= (RL-1) =3
CK#
CK
CMD
T0 T1 T4 T5 T6 T7 T8T2 T3
Post CAS#
Write A
NOP NOP NOP NOP NOP NOP NOP
Precharge A
DQS
DQS#
DNA
0
DNA
1
DNA
2
DNA
3
DQ's
>=t
WR
WL= 3
Completion of the Burst Write
AS4C64M16D2A-25BIN
AS4C64M16D2A-25BCN
Confidential
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Rev.1.1 October 2017