EM639325
EtronTech
Figure 21. AC Parameters for Read Timing
(Burst Length=2, CAS# Latency=3)
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16
CLK
CKE
CS#
tCH tCL
Begin Auto
Precharge Bank B
tIH
tIS
tIS
tIH
RAS#
CAS#
WE#
BA0,1
A10
tIH
RAx
RBx
RBx
RAy
RAy
tIS
A0-A9,
A11
RAx
CAx
tRRD
CBx
tRAS
tAC
tRC
DQM
DQ
tRCD
tRP
tHZ
tLZ
Hi-Z
Bx0
Bx1
Ax0
tOH
Ax1
tHZ
Read with
Auto Precharge
Command
Bank B
Activate
Command
Bank A
Read
Command
Bank A
Activate
Command
Bank B
Precharge
Command
Bank A
Activate
Command
Bank A
Don’t Care
Rev. 2.1
23
Aug. /2015