S4402/S4403
EXAMPLES
Figure 4. Configuration Examples
REFCLK
FOUT0
FBCLK = FOUT0
PHSEL1 = 0
PHSEL0 = 0
FOUT1
FOUT2
(a)
S4402
Input
REFCLK
PHSEL0
FOUT3
X2FOUT
HFOUT
FOUT0
Low
Low
PHSEL1 FOUT1
HFOUT
FOUT2
FOUT3
(DIVSEL = 0) X2FOUT
(DIVSEL = 1) X2FOUT
FBCLK
REFCLK
FOUT0
FBCLK = HFOUT
PHSEL1 = 0
PHSEL0 = 0
FOUT1
FOUT2
(b)
S4402
Input
FOUT3
X2FOUT
HFOUT
FOUT0
FOUT1
FOUT2
REFCLK
PHSEL0
PHSEL1
Low
Low
HFOUT
FOUT3
(DIVSEL = 0) X2FOUT
(DIVSEL = 1) X2FOUT
FBCLK
FBCLK = HFOUT
PHSEL1 = 1
REFCLK
FOUT0
PHSEL0 = 1
FOUT1
FOUT2
(c)
S4402
FOUT3
Input
REFCLK
X2FOUT
HFOUT
FOUT0
FOUT1
FOUT2
FOUT3
High
High
PHSEL0
PHSEL1
HFOUT
(DIVSEL = 0) X2FOUT
(DIVSEL = 1) X2FOUT
FBCLK
0 t 2t 3t
Applied Micro Circuits Corporation
6195 Lusk Blvd., San Diego, CA 92121 • (619) 450-9333
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