
49
128Mb: x4, x8, x16 DDR SDRAM
128Mx4x8x16DDR_C.p65
–
Rev. C; Pub. 4/01
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2001, Micron Technology, Inc.
128Mb: x4, x8, x16
DDR SDRAM
PRELIMINARY
SLEW RATE DERATING VALUES
(Note: 14; notes appear on pages 50
–
53) (0
°
C
≤
T
A
≤
+70
°
C; V
DD
Q = +2.5V ±0.2V, V
DD
= +2.5V ±0.2V)
ADDRESS / COMMAND
SPEED
SLEW RATE
-75/-75Z
0.500V / ns
1
-75/-75Z
0.400V / ns
1.05
-75/-75Z
0.300V / ns
1.10
-75/-75Z
0.200V / ns
1.15
-8
0.500V / ns
1.1
-8
0.400V / ns
1.15
-8
0.300V / ns
1.20
-8
0.200V / ns
1.25
t
IS
t
IH
1
1
1
1
1.1
1.1
1.1
1.1
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
14
14
14
14
14
14
14
14
SLEW RATE DERATING VALUES
(Note: 31; notes appear on pages 50
–
53) (0
°
C
≤
T
A
≤
+70
°
C; V
DD
Q = +2.5V ±0.2V, V
DD
= +2.5V ±0.2V)
DQ, DQS, DM
SPEED
SLEW RATE
-75/-75Z
0.500V / ns
0.50
-75/-75Z
0.400V / ns
0.55
-75/-75Z
0.300V / ns
0.60
-75/-75Z
0.200V / ns
0.65
-8
0.500V / ns
0.60
-8
0.400V / ns
0.65
-8
0.300V / ns
0.70
-8
0.200V / ns
0.75
t
DS
t
DH
0.50
0.55
0.60
0.65
0.60
0.65
0.70
0.75
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
31
31
31
31
31
31
31
31