SI5319 Datasheet, PDF (5/16 Pages) Silicon Laboratories – ANY-RATE PRECISION CLOCK MULTIPLIER/JITTER ATTENUATOR

System
Power
Supply
Ferrite
Bead
VDD = 3.3 V
130 Ω
82 Ω
130 Ω
82 Ω
CKIN+
CKIN–
C4 1 µF
C1 0.1 µF
C2 0.1 µF
C3 0.1 µF
CKOUT+
CKOUT–
0.1 µF
+
100 Ω
–
0.1 µF
Si5319
Si5319
INT_CB
Interrupt/CKIN Invalid Indicator
Option 1:
Crystal
Crystal/RefClk Rate
Option 2:
Refclk+
Refclk–
Control Mode (L)
Reset
LOL
XA
XB
RATE[1:0]
0.1 µF
XA
0.1 µF
XB
CMODE
A[2:0]
SDA
SCL
CS
RST
*Note: Assumes differential LVPECL termination (3.3 V) on clock inputs.
PLL Loss of Lock Indicator
Serial Port Address
Serial Data
I²C Interface
Serial Clock
Xtal/Clock Select
Figure 2. Si5319 Typical Application Circuit (I²C Control Mode)
System
Power
Supply
Ferrite
Bead
VDD = 3.3 V
130 Ω
82 Ω
130 Ω
82 Ω
CKIN+
CKIN–
C4 1 µF
C1 0.1 µF
C2 0.1 µF
C3 0.1 µF
CKOUT+
CKOUT–
0.1 µF
+
100 Ω
–
0.1 µF
Option 1:
Crystal
Crystal/RefClk Rate
Option 2:
Refclk+
Refclk–
Control Mode (H)
Reset
Si5319
INT_CB
LOL
XA
XB
RATE[1:0]
0.1 µF
XA
0.1 µF
XB
SS
SDO
SDI
SCLK
CMODE
CS
RST
*Note: Assumes differential LVPECL termination (3.3 V) on clock inputs.
Interrupt/CLKIN Invalid Indicator
PLL Loss of Lock Indicator
Slave Select
Serial Data Out
Serial Data In
Serial Clock
Xtal/Clock Select
SPI Interface
Figure 3. Si5319 Typical Application Circuit (SPI Control Mode)
Preliminary Rev. 0.3
5