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| EM44CM1688LBA Datasheet, PDF (6/29 Pages) Eorex Corporation – 1Gb (8M×8Bank×16) Double DATA RATE 2 SDRAM | |||
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eorex
EM44CM1688LBA
Absolute Maximum Rating
Symbol
Item
Rating
Units
VIN, VOUT
VDD, VDDQ,
VDDL,
Input, Output Voltage
Power Supply Voltage
DLL Power Supply Voltage
-0.5 ~ +2.3
V
-0.5 ~ +2.3
V
-0.5 ~ +2.3
V
TOP
Operating Temperature Range
0 ~ +85
°C
TSTG
Storage Temperature Range
-55 ~ +100
°C
PD
Power Dissipation
1
W
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
CCK
CDCK
CI
CDI
CIO
CDIO
Input Capacitance of CK, /CK
Input Capacitance delta of CK, /CK
Input Capacitance for others: CKE,
Address, /CS, /RAS, /CAS, /WE
Input Capacitance delta for others
Input/Output Capacitance
DQ, DM, DQS, DQS, RDQS,
RDQS
Input/Output Capacitance delta
DDR2-667/533
Min.
Max.
1.0
2.0
-
0.25
1.0
2.0
-
0.25
2.5
4
-
0.5
DDR2-800
Min.
Max.
1.0
2.0
-
0.25
1.0
1.75
-
0.25
Units
pF
pF
pF
pF
2.5
3.5
pF
-
0.5
pF
Recommended DC Operating Conditions (TA=0°C ~85°C)
Symbol
Parameter
VDD
Power Supply Voltage
VDDDL Power Supply for DLL Voltage
VDDQ
Power Supply for Output Voltage
VREF
Input Reference Voltage
VTT
Termination Voltage
VID
DC differential Input Voltage
VIH
Input Logic High Voltage
VIL
Input Logic Low Voltage
Note: * All voltages referred to VSS.
Min.
1.7
1.7
1.7
0.49* VDDQ
VREF - 0.04
0.25
VREF +0.125
-0.3
Typ.
1.8
1.8
1.8
0.5* VDDQ
VREF
-
-
-
Max.
1.9
1.9
1.9
0.51* VDDQ
VREF +0.04
VDDQ+0.6
VDDQ+0.3
VREF - 0.125
Units
V
V
V
V
V
V
V
V
Feb. 2009
www.eorex.com
6/29
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