K4D553238F-JC
ABSOLUTE MAXIMUM RATINGS
Parameter
Voltage on any pin relative to Vss
Voltage on V
DD
supply relative to Vss
Voltage on V
DD
supply relative to Vss
Storage temperature
Power dissipation
Short circuit current
Symbol
V
IN
, V
OUT
V
DD
V
DDQ
T
STG
P
D
I
OS
256M GDDR SDRAM
Value
-0.5 ~ 3.6
-1.0 ~ 3.6
-0.5 ~ 3.6
-55 ~ +150
2.0
50
Unit
V
V
V
擄C
W
mA
Note :
Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded.
Functional operation should be restricted to recommended operating condition.
Exposure to higher than recommended voltage for extended periods of time could affect device reliability.
POWER & DC OPERATING CONDITIONS(SSTL_2 In/Out)
Recommended operating conditions(Voltage referenced to V
SS
=0V, T
A
=0 to 65擄C)
Parameter
Device Supply voltage
Output Supply voltage
Reference voltage
Termination voltage
Input logic high voltage
Input logic low voltage
Output logic high voltage
Output logic low voltage
Input leakage current
Output leakage current
Symbol
V
DD
V
DDQ
V
REF
Vtt
V
IH(DC)
V
IL(DC)
V
OH
V
OL
I
IL
I
OL
Min
2.375
2.375
0.49*V
DDQ
V
REF
-0.04
V
REF
+0.15
-0.30
Vtt+0.76
-
-5
-5
Typ
2.5
2.5
-
V
REF
-
-
-
-
-
-
Max
2.625
2.625
0.51*V
DDQ
V
REF
+0.04
V
DDQ
+0.30
V
REF
-0.15
-
Vtt-0.76
5
5
Unit
V
V
V
V
V
V
V
V
uA
uA
Note
1, 7
1, 7
2
3
4
5
I
OH
=-15.2mA
I
OL
=+15.2mA
6
6
Note :
1. Under all conditions V
DDQ
must be less than or equal to V
DD
.
2. V
REF
is expected to equal 0.50*V
DDQ
of the transmitting device and to track variations in the DC level of the same. Peak to
peak noise on the V
REF
may not exceed + 2% of the DC value.
3. V
tt
of the transmitting device must track V
REF
of the receiving device.
4. V
IH
(max.)= V
DDQ
+1.5V for a pulse width and it can not be greater than 1/3 of the cycle rate.
5. V
IL
(mim.)= -1.5V for a pulse width and it can not be greater than 1/3 of the cycle rate.
6. For any pin under test input of 0V < V
IN
< V
DD
is acceptable. For all other pins that are not under test V
IN
=0V.
7. For the K4D553238F-JC2A, VDD & VDDQ = 2.8V + 0.1V
- 10 -
Rev 1.0 (Mar. 2004)