eorex
Absolute Maximum Rating
Symbol
V
IN
, V
OUT
V
DD
, V
DDQ,
V
DDL,
T
OP
T
STG
P
D
Item
Input, Output Voltage
Power Supply Voltage
DLL Power Supply Voltage
Operating Temperature Range
Storage Temperature Range
Power Dissipation
EM44AM1684LBA
Rating
-0.5 ~ +2.3
-0.5 ~ +2.3
-0.5 ~ +2.3
0 ~ +85
-55 ~ +100
1
Units
V
V
V
°C
°C
W
I
OS
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 (V
CC
=1.8V
±
0.1V, f=1MHz, T
A
=25°C)
Symbol
C
CK
CD
CK
C
I
CD
I
C
IO
C
DIO
Parameter
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
Min.
1.0
-
1.0
-
3.0
-
Typ.
-
-
-
-
-
-
Max.
2.0
0.25
2.0
0.25
4.0
0.5
Units
pF
pF
pF
pF
pF
pF
Recommended DC Operating Conditions (T
A
=0°C ~85°C)
Symbol
V
DD
V
DDDL
V
DDQ
V
REF
V
TT
V
ID
V
IH
Parameter
Power Supply Voltage
Power Supply for DLL Voltage
Power Supply for Output Voltage
Input Reference Voltage
Termination Voltage
DC differential Input Voltage
Input Logic High Voltage
Min.
1.7
1.7
1.7
0.49* V
DDQ
V
REF
- 0.04
0.25
V
REF
+0.125
-0.3
Typ.
1.8
1.8
1.8
0.5* V
DDQ
V
REF
-
-
-
Max.
1.9
1.9
1.9
0.51* V
DDQ
V
REF
+0.04
V
DDQ
+0.6
V
DDQ
+0.3
V
REF
- 0.125
Units
V
V
V
V
V
V
V
V
V
IL
Input Logic Low Voltage
Note:
* All voltages referred to V
SS
.
Jul. 2006
6/29
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