Datasheet
DTM64332A
2GB - 240-Pin 2Rx8 Registered ECC LV DDR3 DIMM
Document 06582, Revision A, 21-May-10, Dataram Corporation © 2010 Page 4
Absolute Maximum Ratings
(Note: Operation at or above Absolute Maximum Ratings can adversely affect module reliability.)
PARAMETER Symbol Minimum Maximum Unit
Temperature, non-Operating
T
STORAGE
-55 100 C
Ambient Temperature, Operating
T
A
0 70 C
DRAM Case Temperature, Operating
T
CASE
0 95 C
Voltage on V
DD
relative to V
SS
V
DD
-0.4 1.975 V
Voltage on Any Pin relative to V
SS
V
IN
,V
OUT
-0.4 1.975 V
Notes:
DRAM Operating Case Temperature above 85C requires 2X refresh.
Recommended DC Operating Conditions (T
A
= 0 to 70 C, Voltage referenced to V
ss
= 0 V)
PARAMETER Symbol
Operation
Voltage
Minimum Typical Maximum Unit Note
1.35V 1.283 1.35 1.4500
Power Supply Voltage
V
DD
1.5V 1.425 1.5 1.575
V
1.35V
I/O Reference Voltage
V
REFDQ
1.5V
0.49 V
DD
0.50 V
DD
0.51 V
DD
V 1
1.35V
I/O Reference Voltage
V
REFCA
1.5V
0.49 V
DD
0.50 V
DD
0.51 V
DD
V 1
Notes:
1) For Reference V
DD
/2 ± 15 mV. The value of VREF is expected to equal one-half VDD and to track variations in the VDD DC
level. Peak-to-peak noise on VREF may not exceed ±1% of its DC value. For Reference: VREF = VDD/2 ± 15 mV.
DC Input Logic Levels, Single-Ended (T
A
= 0 to 70 C, Voltage referenced to V
ss
= 0 V)
PARAMETER Symbol
Operation
Voltage
Minimum Maximum Unit
1.35V V
REF
+ 0.09 V
DD
Logical High (Logic 1)
V
IH(DC)
1.5V V
REF
+ 0.1 V
DD
V
1.35V
V
SS
V
REF
- 0.09
Logical Low (Logic 0)
V
IL(DC)
1.5V V
SS
V
REF
- 0.1
V
AC Input Logic Levels, Single-Ended (T
A
= 0 to 70 C, Voltage referenced to V
ss
= 0 V)
PARAMETER Symbol
Operation
Voltage
Minimum Maximum Unit
1.35V V
REF
+ 0.160 - V
Logical High (Logic 1)
V
IH(AC)
1.5V V
REF
+ 0.175 -
1.35V
- V
REF
- 0.160 V
Logical Low (Logic 0)
V
IL(AC)
1.5V - V
REF
- 0.175