(CAS Latency = 3; Burst Length = 2; tRCD, tRP = 3)
T0
T7
T1
T2
T3
T4
T5
T6
T8
T9
T10
T12
T11
T13
T14
CLK
t
CK3
Begin Auto
Precharge
Bank 0
Begin Auto
Precharge
Bank 1
CKE
CS
t
CEH
RAS
CAS
WE
* BS1
A10
RAx
RAx
RBx
RAy
A0-A9,
A11
CAx
RBx
CBx
RAy
t
RRD
t
t
RP
RAS (mIn)
DQM
t
RC
t
t
AC3
OH
tRP
t
RCD
Hi-Z
Bx0
Bx1
DQ
Ax0
Ax1
Note: Must satisfy tRAS(min)
For -68: Extend tRCD 1 addi-
tional clock
Activate
Command
Bank 0
Activate
Command
Bank 0
Activate
Command
Bank 1
Read with
Read with
Auto Precharge
Command
Bank 1
Auto Precharge
Command
Bank 0
ank 1
* BS0 = ”L”
Bank 2, 3 = Idle