K4B2G1646C-HCF8 View Datasheet(PDF) - Samsung
Part Name
Description
MFG CO.
'K4B2G1646C-HCF8' PDF : 64 Pages View PDF
K4B2G1646C
datasheet
Rev. 1.11
DDR3 SDRAM
NOTE :Clock and Strobe are drawn on a different time scale.
tIS
tIH
CK
CK
DQS
DQS
VDDQ
tDS tDH
VIH(AC) min
VIH(DC) min
dc to VREF
region
VREF(DC)
dc to VREF
region
VIL(DC) max
tangent
line
VIL(AC) max
tIS tIH
tDS tDH
nominal
line
tangent
line
nominal
line
VSS
∆ TR
∆ TF
Hold Slew Rate
Rising Signal
=
tangent line [ VREF(DC) - VIL(DC)max ]
∆ TR
Hold Slew Rate
Falling Signal
=
tangent line [ VIH(DC)min - VREF(DC) ]
∆ TF
Figure 24. Illustration of tangent line for hold time tDH (for DQ with respect to strobe) and tIH
(for ADD/CMD with respect to clock)
- 58 -
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