
256MB, 512MB Unbuffered SODIMM
Rev. 1.2 March 2004
SDRAM
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Value
Unit
Voltage on any pin relative to Vss
V
IN
, V
OUT
-1.0 ~ 4.6
V
Voltage on V
DD
supply relative to Vss
V
DD
, V
DDQ
-1.0 ~ 4.6
V
Storage temperature
T
STG
-55 ~ +150
°
C
Power dissipation
P
D
1.0 * # of component
W
Short circuit current
I
OS
50
mA
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.
Note :
DC OPERATING CONDITIONS AND CHARACTERISTICS
Recommended operating conditions (Voltage referenced to V
SS
= 0V, T
A
= 0 to 70
°
C)
Parameter
Symbol
Min
Typ
Max
Unit
Note
Supply voltage
V
DD
3.0
3.3
3.6
V
Input high voltage
V
IH
2.0
3.0
V
DDQ
+0.3
V
1
Input low voltage
V
IL
-0.3
0
0.8
V
2
Output high voltage
V
OH
2.4
-
-
V
I
OH
= -2mA
Output low voltage
V
OL
-
-
0.4
V
I
OL
= 2mA
Input leakage current
I
LI
-10
-
10
uA
3
CAPACITANCE
(V
DD
= 3.3V, T
A
= 23
°
C, f = 1MHz, V
REF
= 1.4V
±
200
mV)
Parameter
Symbol
M464S3354BTS
M464S6454BTS
Unit
Min
Max
Min
Max
Input capacitance (A
0
~ A
12
, BA0 ~ BA1)
Input capacitance (RAS, CAS, WE)
Input capacitance (CKE0 ~ CKE1)
Input capacitance (CLK0 ~ CLK1)
Input capacitance (CS0 ~ CS1)
Input capacitance (DQM0 ~ DQM7)
Data input/output capacitance (DQ0 ~ DQ63)
C
IN1
C
IN2
C
IN3
C
IN4
C
IN5
C
IN6
C
OUT
15
15
15
15
15
10
10
25
25
25
21
25
12
12
25
25
15
15
15
10
10
45
45
25
21
25
12
12
pF
pF
pF
pF
pF
pF
pF
1. V
IH
(max) = 5.6V AC.The overshoot voltage duration is
≤
3ns.
2. V
IL
(min) = -2.0V AC. The undershoot voltage duration is
≤
3ns.
3. Any input 0V
≤
V
IN
≤
V
DDQ
.
Input leakage currents include Hi-Z output leakage for all bi-directional buffers with Tri-State outputs.
Notes :