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| MT47H64M16HR-25ELH Datasheet, PDF (67/132 Pages) Micron Technology – 1Gb: x4, x8, x16 DDR2 SDRAM | |||
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1Gb: x4, x8, x16 DDR2 SDRAM
Input Slew Rate Derating
Figure 30: AC Input Test Signal Waveform Command/Address Balls
CK#
Logic levels
CK
tISb
tIHb
tISb
tIHb
VREF levels
tISa
tIHa
tISa
tIHa
VDDQ
VIH(AC)min
VIH(DC)min
VREF(DC)
VIL(DC)min
VIL(AC)min
VSSQ
Figure 31: AC Input Test Signal Waveform for Data with DQS, DQS# (Differential)
DQS#
Logic levels
DQS
tDSb tDHb
tDSb tDHb
VREF levels
tDSa tDHa
tDSa tDHa
VDDQ
VIH(AC)min
VIH(DC)min
VREF(DC)
VIL(DC)max
VIL(AC)max
VSSQ
PDF: 09005aef821ae8bf
1GbDDR2.pdf â Rev. X 10/11 EN
67
Micron Technology, Inc. reserves the right to change products or specifications without notice.
 2007 Micron Technology, Inc. All rights reserved.
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