eorex
Absolute Maximum Rating
Symbol
V
IN
, V
OUT
V
DD
, V
DDQ
T
OP
T
STG
P
D
I
OS
Item
Input, Output Voltage
Power Supply Voltage
Operating Temperature Range
Storage Temperature Range
Power Dissipation
Short Circuit Current
EM428M1644RTA
Rating
-0.3 ~ +3.6
-0.3 ~ +3.6
Commercial
0 ~ +70
Extended
-25 ~ +85
-55 ~ +150
1
50
Units
V
V
°
C
°
C
W
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
=2.5V, f=1MHz, T
A
=25°
C)
Symbol
C
CLK
C
I
C
O
Parameter
Clock Capacitance(CLK,/CLK)
Input Capacitance for CKE, Address, /CS,
/RAS, /CAS, /WE
DM,Data&DQS Input/Output Capacitance
Min.
2.5
2.5
4.0
Typ.
Max.
4.0
4.5
6.5
Units
pF
pF
pF
Recommended DC Operating Conditions (T
A
=-0° ~+70°C)
C
Symbol
V
DD
V
DDQ
V
REF
V
TT
V
IH
V
IL
Parameter
Power Supply Voltage
Power Supply Voltage (for I/O Buffer)
I/O Logic high Voltage
I/O Termination Voltage
Input Logic High Voltage
Input Logic Low Voltage
Min.
2.3
2.3
1.15
V
REF
-0.04
V
REF
+0.18
-0.3
Typ.
2.5
2.5
1.25
Max.
2.7
2.7
1.35
V
REF
+0.04
V
DDQ
+0.3
V
REF
-0.18
Units
V
V
V
V
V
V
Apr. 2007
5/20
www.eorex.com