Datasheet

Figure 30.1. Burst read operation followed by precharge:
(RL=4, AL=1, CL=3, BL=4, t
RTP
≦2 clocks)
CK#
CK
CMD
T0 T1 T4 T5 T6 T7 T8T2 T3
Post CAS#
Read A
NOP NOP
Precharge
NOP NOP NOP
Bank A
Active
NOP
DQS
DQS#
AL+BL'/2 clks
DOUTA
0
DOUTA
1
DOUTA
2
DOUTA
3
DQ
>=t
RP
AL=1 CL=3
RL=4
>=t
RAS
>=t
RTP
CL=3
Figure 30.2.Burst read operation followed by precharge:
(RL=4, AL=1, CL=3, 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 NOP
DQS
DQS#
RL= 4
DOUT
A
0
DOUT
A
1
DOUT
A
2
DOUT
A
3
DQ's
AL + BL/2 clks
CL = 3
AL = 1
First 4-bit prefetch
>=t
RTP
Second 4-bit prefetch
DOUT
A
4
DOUT
A
5
DOUT
A
6
DOUT
A
7
AS4C32M16D2A-25BIN
Alliance Memory Inc.
511 Taylor Way, San Carlos, CA 94070 TEL: [phone] FAX: [phone]
Alliance Memory Inc. reserves the right to change products or specification without notice
Rev.1.2
48
Jun./2014