IC42S16160 Datasheet, PDF (57/69 Pages) Integrated Circuit Solution Inc – 4M x 16Bit x 4 Banks (256-MBIT) SDRAM

IC42S16160
Auto Precharge after Read Burst (2 of 2)
Burst Length=4, 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
CKE ^High
tCK3
CS
Start Auto Precharge
Bank B
Start Auto
Precharge
Bank A
Start Auto Precharge
Bank B
RAS
CAS
WE
*BS0
A10
Ra
Ra
Rb
ADD
Ra
Ca Ra
Ca
DQM
Cb
Rb ^RBb
Cb
Hi-Z
DQ
QAa0 QAa1 QAa2 QAa3 QBa0 QBa1 QBa2 QBa3 QAb0 QAb1 QAb2 QAb3
QBb0 QBb1 QBb2
Activate
Command
Bank A
Activate
Command
Bank B
Read
Command
Bank A
Read with
Auto Precharge
Command
Bank B
Read with
Auto Precharge
Command
Bank A
Activate
Command
Bank B
Write with
Auto precharge
Command
Bank B
BS1=”L”, Bank C,D = Idle
Integrated Circuit Solution Inc.
57
DR037-0A 9/05/2003