eorex
EM44CM1688LBA
Absolute Maximum Rating
Symbol
Item
Input, Output Voltage
Rating
Units
V
VIN, VOUT
VDD, VDDQ,
VDDL,
-0.5 ~ +2.3
-0.5 ~ +2.3
-0.5 ~ +2.3
Power Supply Voltage
V
DLL Power Supply Voltage
V
TOP
Operating Temperature Range
0 ~ +85
°C
TSTG
PD
Storage Temperature Range
Power Dissipation
-55 ~ +100
°C
W
1
IOS
Short Circuit Current
50
mA
Note: Caution Exposing the device to stress above those listed in Absolute Maximum Ratings could
cause permanent damage. The device is not meant to be operated under conditions outside the
limits described in the operational section of this specification. Exposure to Absolute Maximum
Rating conditions for extended periods may affect device reliability.
Capacitance (VCC=1.8V ± 0.1V, f=1MHz, TA=25°C)
Symbol
Parameter
DDR2-667/533
DDR2-800
Units
Min.
1.0
-
Max.
2.0
Min.
Max.
2.0
CCK
Input Capacitance of CK, /CK
1.0
-
pF
pF
CDCK
Input Capacitance delta of CK, /CK
0.25
0.25
Input Capacitance for others: CKE,
Address, /CS, /RAS, /CAS, /WE
CI
1.0
-
2.0
1.0
-
1.75
0.25
pF
pF
CDI
Input Capacitance delta for others
0.25
Input/Output Capacitance
DQ, DM, DQS, DQS, RDQS,
RDQS
CIO
2.5
-
4
2.5
-
3.5
0.5
pF
pF
CDIO
Input/Output Capacitance delta
0.5
Recommended DC Operating Conditions (TA=0°C ~85°C)
Symbol
VDD
Parameter
Min.
1.7
Typ.
Max.
Units
V
Power Supply Voltage
1.8
1.9
1.9
VDDDL
VDDQ
VREF
VTT
Power Supply for DLL Voltage
Power Supply for Output Voltage
Input Reference Voltage
Termination Voltage
1.7
1.8
V
1.7
1.8
1.9
V
0.49* VDDQ
VREF - 0.04
0.25
0.5* VDDQ
0.51* VDDQ
VREF +0.04
VDDQ+0.6
VDDQ+0.3
VREF - 0.125
V
VREF
V
VID
DC differential Input Voltage
Input Logic High Voltage
Input Logic Low Voltage
-
-
-
V
VIH
VREF +0.125
-0.3
V
VIL
V
Note: * All voltages referred to VSS.
Feb. 2009
www.eorex.com
6/29
EOREX [ EOREX CORPORATION ]
