IC42S16160 Datasheet, PDF (58/69 Pages) Integrated Circuit Solution Inc – 4M x 16Bit x 4 Banks (256-MBIT) SDRAM

IC42S16160
Auto Precharge after Write Burst (1 of 2)
Burst Length=4, CAS Latency=2
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
tCK2
Start Auto Precharge
Bank B
Start Auto Precharge
Bank A
Start Auto Precharge
Bank B
CS
RAS
CAS
WE
*BS0
A10
Ra
Ra
Rb
Rc
ADD
Ra
Ca
Ra
Ca
DQM
Cb
Rb
Cb
Rc
Cc
Hi-Z
DQ
QAa0 QAa1 QAa2 QAa3 QBa0 QBa1 QBa2 QBa3 QAb0 QAb1 QAb2 QAb3 QBb0 QBb1 QBb2 QBb3 QAc0 QAc1 QAc2 QAc3
Activate Write _Activate Write with
Command _{Command Command} Auto Precharge
Bank A
Bank A
Bank B
Command
Bank B
Write with _Activate
Activate
Auto Precharge _Command
Command
Command _{Bank B}
Bank A
Bank A _{Write with}
Auto Precharge
Write with
Bank A
Auto Precharge
Command
Bank B
BS1=”L”, Bank C,D = Idle
Start Auto
Precharge
Bank A
58
Integrated Circuit Solution Inc.
DR037-0A 9/05/2003