Si5324
Input
Clock
Sources*
VDD = 3.3 V
System
Power
Supply
130
130
Ferrite
Bead
82
82
CKIN1+
CKIN1–
VDD = 3.3 V
130
130
C4 1 µF
C1 0.1 µF
C2 0.1 µF
C3 0.1 µF
CKOUT1+
CKOUT1–
CKOUT2+
CKOUT2–
0.1 µF
+
100
–
0.1 µF
0.1 µF
+
100
–
0.1 µF
Clock Outputs
CKIN2+
82
82
CKIN2–
INT_C1B
Si5324
C2B
Interrupt/CLKIN_1 Invalid Indicator
CLKIN_2 Invalid Indicator
Option 1:
XA
114.285 MHz Crystal
LOL
PLL Loss of Lock Indicator
Crystal/Ref Clk Rate
Option 2:
Refclk+
Refclk–
VDD
15 k
15 k
XB
RATE[1:0]2
0.1 µF
XA
0.1 µF
XB
SS
SDO
SDI
SCLK
Slave Select
Serial Data Out
Serial Data In
Serial Clock
SPI Interface
Control Mode (H)
Reset
CMODE
RST
CS_CA
Clock Select/Clock Active
Notes: 1. Assumes differential LVPECL termination (3.3 V) on clock inputs.
2. Denotes tri-level input pins with states designated as L (ground), M (VDD/2), and H (VDD).
Figure 4. Si5324 Typical Application Circuit (SPI Control Mode)
18
Rev. 1.1