AS4LC8M8S0
AS4LC4M16S0
®
Concurrent Auto-P Waveforms
According to Intel™’s specification, auto-p burst interruption is allowed by another burst provided that the interrupting burst
is in a different bank than the ongoing burst.
(A) RD-P interrupted by RD in another bank (CL = 3, BL = 4)
CLK
RD
(B)
RD-P
(A)
CMD
DQ
A
A
B
B
B
B
3
0
1
0
1
2
Bank A Precharge Starts *
(B) RD-P interrupted by WR in another bank (CL = 2, BL = 8)
CLK
RD-P
(A)
WR
(B)
CMD
DQM
D
DQ
Q
D
D
D
(B2)
Q
(B7)
A1
N(B0)
(B1)
A0
Bank A Precharge Starts *
(C) WR-P interrupted by RD in another bank (CL = 2, BL = 4)
CLK
WRP
(A)
RD
(B)
CMD
Q
Q
B3
D
D
Q
B0
Q
DQ
(A0)
(A1)
B2
B1
Bank A Precharge Starts *
* The row active command of the precharge bank can be issued after t from this point.
RP
7/ 5/ 00
ALLIANCE SEMICONDUCTOR
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ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
