IC42S81600 Datasheet, PDF (49/69 Pages) Integrated Circuit Solution Inc – 4(2)M x 8(16) Bits x 4 Banks (128-MBIT) SYNCHRONOUS DYNAMIC RAM

IC42S81600/IC42S81600L
IC42S16800/IC42S16800L
Random Row Write (Interleaving Banks) (2 of 2)
Burst Length=8, CAS Latency=3
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
CLK
t
CK
CKE High
CS
RAS
CAS
WE
*BS0
A10
ADD
RBa
DQM
Hi-Z
DQ
Activate
Command
Bank A
tDPL
tRP
t
DPL
QAa0 QAa1 QAa2 QAa3 QAa4 QAa5 QAa6 QAa7 QBa0 QBa1 QBa2 QBa3 QBa4 QBa5 QBa6 QBb7 QAb0 QAb1 QAb2 QAb3
Write
Command
Bank A
Activate
Command
Bank B
Write
Precharge
Command ^Command
Bank B
Bank A
Activate
Command
Bank A
Write ^Precharge
Command ^Command
Bank A ^{Bank B}
BS1=”L”, Bank C,D = Idle
Integrated Circuit Solution Inc.
49
DR023-0E 6/11/2004