IC42S16400A Datasheet, PDF (55/67 Pages) Integrated Circuit Solution Inc – 1M x 16Bit x 4 Banks (64-MBIT) SDRAM

IC42S16400A
Auto Precharge after Read 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
Activate Read Activate Read with
Command Command Command Auto Precharge
Bank A Bank A Bank B Command
Bank B
Read with
Activate
Auto Precharge
Command
Command
Read with _{Bank A}
Bank A
Auto Precharge
Activate
Command
Command
Bank B
Bank B
Read with
Auto Precharge
Command
Bank A
BS1=”L”, Bank C,D = Idle
Integrated Circuit Solution Inc.
55
DR039-0A 02/19/2004