(CAS Latency = 2; Burst Length = 4)
T0
T7
T1
T2
T3
T4
T5
T6
T8
T9
T10
T12
T17
T21
T11
T13
T14
T15
T16
T18
T19
T20
T22
CLK
tCKH
tCK2
tCKL
tCS
CKE
CS
Begin Auto Precharge
Bank 0
Begin Auto Precharge
Bank 1
tCES
tCEH
tCH
RAS
CAS
WE
*
BS1
tAH
RAx
RBx
RBx
RAy
RAy
RAz
RBy
A10
tAS
RAx
CAx
CBx
CAy
RAz
RBy
A0-A9,A11
DQM
tRCD
tDAL
tDS
tDPL
tRC
tDH
tRP
tRRD
Hi-Z
Ax0
Ax1
Ax2
Ax3
DQ
Bx0
Bx1
Bx2
Bx3
Ay0
Ay1
Ay2
Ay3
*
BS0=” L”
Activate
Write with
Activate
Write with
Activate
Write
Command
Bank 0
Activate
Command
Bank 1
Activate
Command
Bank 0
Precharge
Command
Bank 0
Command Auto Precharge Command Auto Precharge Command
Bank2,3=Idle
Bank 0
Command
Bank 0
Bank 1
Command
Bank 1
Bank 0
IBM [ IBM ]
