eorex
EM42AM3284LBA
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)
-7.5
7.5
Symbol
Parameter
Units
Min.
2
Max.
tDQCK
tDQSCK
tCL,tCH
DQ output access from CLK,/CLK
DQS output access from CLK,/CLK
CL low/high level width
6
6
ns
ns
tCK
2
0.45
0.55
tCK
Clock Cycle Time
ns
tDH,tDS
tDIPW
DQ and DM hold/setup time
0.8
ns
ns
DQ and DM input pulse width for
each input
1.75
Data out high/low impedance time
from CLK,/CLK
DQS-DQ skew for associated DQ
signal
Write command to first latching DQS
transition
tHZ,tLZ
tDQSQ
1
6
ns
ns
0.6
1.25
tDQSS
tDSL,tDSH
tMRD
0.75
0.2
2
tCK
tCK
tCK
DQS input valid window
Mode Register Set command cycle
time
tWPRES
tWPST
tIH,tIS
tRPRE
Write Preamble setup time
Write Preamble
0
ns
0.4
0.9
0.6
1.1
tCK
Address/control input hold/setup
time
1.3
ns
Read Preamble
tCK
Jul. 2006
www.eorex.com
7/20
EOREX [ EOREX CORPORATION ]
