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