®

AS4LC8M8S0

AS4LC4M16S0

7/5/00

ALLIANCE SEMICONDUCTOR

13

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)

(B) RD-P interrupted by WR in another bank (CL = 2, BL = 8)

(C) WR-P interrupted by RD in another bank (CL = 2, BL = 4)

CLK

CMD

RD-P

(A)

DQ

Bank A Precharge Starts *

RD

(B)

CLK

CMD

RD-P

(A)

DQ

Bank A Precharge Starts *

WR

(B)

DQM

CLK

CMD

WRP

(A)

DQ

Bank A Precharge Starts *

RD

(B)