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| K4T1G084QF-BCE6000 Datasheet, PDF (31/46 Pages) Samsung semiconductor – 1Gb F-die DDR2 SDRAM | |||
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K4T1G044QF
K4T1G084QF
K4T1G164QF
datasheet
Rev. 1.11
DDR2 SDRAM
DQS
DQS
VDDQ
tDS tDH
VIH(AC)min
VIH(DC)min
dc to VREF
region
VREF(DC)
dc to VREF
region
nominal
slew rate
VIL(DC)max
VIL(AC)max
tDS tDH
nominal
slew rate
VSS
âTR
âTF
Hold Slew Rate
Rising Signal =
VREF(DC) - VIL(DC)max
âTR
Hold Slew Rate
Falling Signal =
VIH(DC)min - VREF(DC)
âTF
Figure 11. IIIustration of nominal slew rate for tDH (differential DQS, DQS)
- 31 -
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