ICS93716 Datasheet, PDF (7/13 Pages) Integrated Circuit Systems – Low Cost DDR Phase Lock Loop Clock Driver

ICS9371 6
0420H—09/10/08
Parameter Measurement Information
V_DD
V(CLKC)
R = 60Ω
R = 60Ω VDD /2
ICS93716
V(CLKC)
GND
Figure 1. IBIS Model Output Load
VDD/2
ICS93716
Z = 60Ω
C = 15 pF _-VDD/2
R = 10Ω Z = 50Ω
SCOPE
Z = 60Ω
R = 10Ω Z = 50Ω
R = 50Ω
V(TT)
C = 15 pF
-VDD/2
-VDD/2
NOTE: V(TT) _{= GND}
Figure 2. Output Load Test Circuit
R = 50Ω
V(TT)
Y_X, FB_OUTC
Y_X, FB_OUTT
tc(n)
tc(n+1)
tjit(cc) = tc(n) ± tc(n+1)
Figure 3. Cycle-to-Cycle Jitter
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