EM44CM1688LBB
OCD Default Setting Table
Parameter
Min.
12.6
0
Typ.
Max.
23.4
4
Units
Ω
Output Impedance
Pull-up / Pull-down mismatch
Output Slew Rate
18
-
Ω
1.5
-
5.0
V/ns
AC Operating Test Conditions
(VDD=1.8V±0.1V, TA=0°C ~70°C)
Symbol
Parameter
Value
1.0
Units
V
VSWING (max.)
SLEW
Input Signal Maximum Peak to Peak Swing
Input Signal Minimum Slew Rate
Input Reference Level
1.0
V/ns
V
VREF
0.5*VDDQ
AC Operating Test Conditions
Symbol
VID
Parameter
Min.
0.5
Max.
Units
AC Differential Input Voltage
VDDQ+0.6
V
V
V
V
V
V
V
VIX
AC Differential Cross Point Input Voltage
AC Differential Cross Point Output Voltage
Input Logic High Voltage (DDR2-533)
Input Logic High Voltage (DDR2-667/800)
Input Logic High Voltage (DDR2-533)
Input Logic High Voltage (DDR2-667/800)
0.5*VDDQ-0.175
0.5*VDDQ-0.125
VREF+0.25
0.5*VDDQ+0.175
0.5*VDDQ+0.125
VDDQ+Vpeak
VDDQ+Vpeak
VREF-0.25
VOX
VIH
VIH
VREF+0.25
VIL
VSSQ-Vpeak
VIL
VSSQ-Vpeak
VREF-0.25
Nov. 2010
11/29
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