IC42S16160 Datasheet, PDF (30/69 Pages) Integrated Circuit Solution Inc – 4M x 16Bit x 4 Banks (256-MBIT) SDRAM

IC42S16160
AC Parameters for Write Timing (1 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
tCH ^tCL
tCKS
CS
tCMS
tCK2
tCMH
Begin Auto Precharge _{Begin Auto Precharge}
Bank A
Bank B
tCKH
RAS
CAS
WE
*BS0
A10
ADD
tAS
tAH
DQM
DQ
tRCD
tRRD
tRC
tDAL
tDS
tDH
tDPL tRP
QAa0 QAa1 QAa2 QAa3 QBa0 QBa1 QBa2 QBa3 QAb0 QAb1 QAb2 QAb3
Activate
Write with Activate
Write with Activate Write without
Command Auto Precharge _Command Auto Precharge Command Auto Precharge
Bank A
Command Bank B
Command Bank A Command
Bank A
Bank B
Bank A
BS1=”L”, Bank C,D = Idle
Precharge ^Activate
Command ^Command
Bank A
Bank A
Activate
Command
Bank B
30
Integrated Circuit Solution Inc.
DR037-0A 9/05/2003