IC42S32400 Datasheet, PDF (24/62 Pages) Integrated Circuit Solution Inc – 1M x 32 Bit x 4 Banks (128-MBIT) SDRAM

IC42S32400
IC42S32400L
Timing Waveforms
Figure 1.AC Parameters for Write Timing (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
tCH
tCL
tCK2
CKE
tIS
Begin Auto Precharge Begin Auto Precharge
Bank A
Bank B
tIS
tIH
tIS
CS#
RAS#
CAS#
WE#
-5 ,
, -7 ,
x
x
BS0,1
ADDR.
tIH
tIS
RBx
CAx
RBx
CBx
RAy
CAy
RAz
RBy
DQM
Hi-Z
DQ
tRCD
tRC
Ax0 Ax1 Ax2
tDAL
tIS
tIH
tWR _tRP
Ax3 Bx0 Bx1 Bx2 Bx3 Ay0 Ay1 Ay2 Ay3
tRRD
Activate Write with Activate Write with Activate
Command Auto PrechargeCommand Auto Precharge Command
Bank A Command Bank B Command Bank A
Bank A
Bank B
Write
Command
Bank A
Precharge Activate
Command Command
Bank A Bank A
Activate
Command
Bank B
24
Integrated Circuit Solution Inc.
DR038-0C 02/01/2005