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| K4T51043QE Datasheet, PDF (39/45 Pages) Samsung semiconductor – 512Mb E-die DDR2 SDRAM Specification | |||
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K4T51043QE
K4T51083QE
K4T51163QE
DDR2 SDRAM
CK
CK
VDDQ
tIS
tIH
VIH(ac) min
VIH(dc) min
dc to VREF
region
VREF(dc)
VIL(dc) max
dc to VREF
region
tangent
line
VIL(ac) max
tIS tIH
nominal
line
tangent
line
nominal
line
VSS
âTR
âTF
Hold Slew Rate
Rising Signal
=
tangent line [ VREF(dc) - Vil(dc)max ]
âTR
Hold Slew Rate
Falling Signal
=
tangent line [ Vih(dc)min - VREF(dc) ]
âTF
Figure 16 - IIIustration of tangent line for tIH
39 of 45
Rev. 1.8 July 2007
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