EM42BM1684RTC
AC Operating Test Conditions
(VDD=2.5V±0.2V, TA=0°C ~70°C)
AC Operating Test Characteristics
(VDD=2.5V±0.2V, TA=0°C ~70°C)
Symbol
-5
-6
Parameter
Units
Min.
-0.7
Max.
0.7
Min.
-0.7
Max.
0.7
tDQCK
tDQSCK
tCL,tCH
DQ output access from CLK,/CLK
DQS output access from CLK,/CLK
CL low/high level width
ns
ns
tCK
-0.55 0.55
-0.6
0.45
-
0.6
0.55
-
0.45
5
0.55
CL=3
Clock Cycle Time
CL=2.5
10
-
tCK
ns
-
6
12
-
tDH,tDS
tDIPW
DQ and DM hold/setup time
0.4
-
0.45
ns
ns
DQ and DM input pulse width for
each input
1.75
-0.7
-
-
1.75
-0.7
-
-
Data out high/low impedance time
from CLK,/CLK
tHZ,tLZ
tDQSQ
tDQSS
0.7
0.4
0.7
0.4
ns
ns
DQS-DQ skew for associated DQ
signal
Write command to first latching
DQS transition
0.72
0.35
2
1.25
0.75
0.35
2
1.25
tCK
tCK
tCK
tDSL,tDSH DQS input valid window
-
-
-
-
Mode Register Set command cycle
tMRD
time
tWPRES
tWPRE
tWPST
Write Preamble setup time
Write Preamble
Write Postamble
0
-
-
0
-
-
ns
tCK
tCK
0.25
0.4
0.25
0.4
0.6
0.6
Address/control input hold/setup
time (fast slew rate)
tIH,tIS
tRPRE
0.6
-
0.75
0.9
-
ns
Read Preamble
1.1
tCK
Apr. 2012
10/23
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EOREX [ EOREX CORPORATION ]
