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W9725G6JB Datasheet, PDF (59/87 Pages) Winbond – 4M  4 BANKS  16 BIT DDR2 SDRAM
W9725G6JB
CLK
CLK
VDDQ
tIS
tIH
tIS
tIH
VIH(ac)min
VIH(dc)min
DC to VREF
region
VREF(dc)
VIL(dc)max
tangent
line
tangent
line
nominal
line
nominal DC to VREF
line
region
VIL(ac)max
VSS
ΔTR
ΔTF
Hold Slew Rate
Rising Signal
=
tangent line[VREF(dc) - VIL(ac)max]
ΔTR
Hold Slew Rate tangent line[VIH(dc)min - VREF(dc)]
Falling Signal =
ΔTF
Figure 23 – Illustration of tangent line for tIH
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Publication Release Date: Nov. 29, 2011
Revision A02