eorex
EM44BM1684LBB
OCD Default Setting Table
Symbol
Parameter
Min.
12.6
0
Typ.
18
-
Max.
23.4
4
Units
Ω
-
-
Output Impedance
Pull-up / Pull down mismatch
Ω
Output Impedance step size for
OCD calibration
-
-
0
-
-
1.5
5.0
Ω
Output Slew Rate
+1.5
V/ns
AC Operating Test Conditions
(VDD=1.8V ± 0.1V, TA=0°C ~85°C)
Symbol
Item
Conditions
1.0
VSWING(max)
SLEW
Input Signal maximum peak to peak swing
Input Signals minimum slew rate
Input Reference Level
V
1.0 V/ns
0.5*VDDQ
VREF
AC Operating Test Conditions(Continued)
Symbol
VID
Parameter
Min.
0.5
Max.
VDDQ+0.6
Units
V
AC differential Input Voltage
VIX
AC differential corss point Input Voltage
AC differential corss point Output Voltage
High Level Output Voltage
0.5*VDDQ - 0.175 0.5*VDDQ + 0.175
0.5*VDDQ - 0.125 0.5*VDDQ + 0.125
V
VOX
V
VOH
VOL
VTT+0.603
-
-
V
Low Level Output Voltage
VTT-0.603
V
DDR2-400/533
DDR2-667
Min.
Symbol
Parameter
Units
Min.
Max.
Max.
-
VIH
VIL
Input Logic High Voltage
Input Logic Low Voltage
VREF + 0.25
-
-
VREF + 0.2
-
V
V
VREF - 0.25
VREF - 0.2
Jan. 2008
www.eorex.com
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EOREX [ EOREX CORPORATION ]
