eorex
EM42AM3284LBC
AC Operating Test Conditions
(VDD=1.8V ± 0.1V, TA=0°C ~70°C)
Item
Conditions
0.9V/0.9V
Output Reference Level
Output Load
See diagram as below
1.6V/0.2V
Input Signal Level
Transition Time of Input Signals
Input Reference Level
0.5ns
0.9V
AC Operating Test Characteristics
(VDD=1.8V±0.1V, TA=0°C ~70°C)
-6
6
-7.5
Symbol
Parameter
Units
Min.
2
Max.
5.5
Min.
2
Max.
6
tDQCK
DQ output access from CLK,/CLK
ns
ns
tCK
ns
ns
tDQSCK DQS output access from CLK,/CLK
tCL,tCH CL low/high level width
2
5.5
2
6
0.45
0.55
0.45
0.55
tCK
Clock Cycle Time ( CL3 )
7.5
tDH,tDS DQ and DM hold/setup time
0.6
1.2
0.8
DQ and DM input pulse width for
tDIPW
1.75
ns
ns
ns
tCK
tCK
tCK
each input
Data out high/low impedance time
from CLK,/CLK
DQS-DQ skew for associated DQ
tHZ,tLZ
1
5.5
0.5
1
6
tDQSQ
0.6
1.25
signal
Write command to first latching DQS
tDQSS
0.75
1.25
0.75
transition
tDSL,tDS
DQS input valid window
0.2
0.2
H
Mode Register Set command cycle
tMRD
time
2
0
2
0
tWPRES Write Preamble setup time
ns
tWPST
tIH,tIS
tRPRE
Write Preamble
0.4
0.9
0.6
1.1
0.4
0.9
0.6
1.1
tCK
Address/control input hold/setup
time
1.1
1.3
ns
Read Preamble
tCK
Jun. 2009
www.eorex.com
10/24
EOREX [ EOREX CORPORATION ]
