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MT47H64M16BT-37EA Datasheet, PDF (70/134 Pages) Micron Technology – DDR2 SDRAM
1Gb: x4, x8, x16 DDR2 SDRAM
Input Slew Rate Derating
Figure 33: AC Input Test Signal Waveform for Data with DQS (Single-Ended)
Logic levels
DQS
tDSb tDHb
tDSb tDHb
VREF levels
tDSa
tDHa
tDSa
tDHa
Figure 34: AC Input Test Signal Waveform (Differential)
VDDQ
VTR
Vswing
Crossing point
VIX
VCP
VSSQ
VREF
VDDQ
VIH(AC)min
VIH(DC)min
VREF(DC)
VIL(DC)max
VIL(AC)max
VSSQ
PDF: 09005aef821ae8bf
1GbDDR2.pdf – Rev. V 6/10 EN
70
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