si5325 Silicon Laboratories, si5325 Datasheet - Page 5

• Manufacturer Part Number: si5325
• Description: ?p-programmable Precision Clock Multiplier
• Manufacturer: Silicon Laboratories

Input
Clock
Sources*
Control Mode (H)
Input
Clock
Sources*
Figure 3. Si5325 Typical Application Circuit (SPI Control Mode)
Figure 2. Si5325 Typical Application Circuit (I
Control Mode (L)
Reset
130 Ω
130 Ω
Reset
82 Ω
82 Ω
130 Ω
130 Ω
82 Ω
82 Ω
V
V
DD
DD
V
V
DD
DD
= 3.3 V
= 3.3 V
= 3.3 V
= 3.3 V
130 Ω
130 Ω
82 Ω
82 Ω
130 Ω
130 Ω
82 Ω
82 Ω
*Note:
*Note:
System
Power
Supply
System
Supply
Power
Assumes differential LVPECL termination (3.3 V) on clock inputs.
CKIN1+
CKIN1–
CKIN2+
CKIN2–
CMODE
RST
Assumes differential LVPECL termination (3.3 V) on clock inputs.
CKIN1+
CKIN1–
CKIN2+
CKIN2–
CMODE
RST
Preliminary Rev. 0.3
Ferrite
Ferrite
Bead
Bead
Si5325
Si5325
C
C
C
C
C
C
C
C
3
2
1
4
3
2
1
4
1 µF
0.1 µF
0.1 µF
0.1 µF
1 µF
0.1 µF
0.1 µF
0.1 µF
CKOUT1+
CKOUT1–
CKOUT2+
CKOUT2–
INT_C1B
CKOUT1+
CKOUT1–
CKOUT2+
CKOUT2–
INT_C1B
A[2:0]
SDA
SCL
SCLK
C2B
SDO
SDI
C2B
SS
2
0.1 µF
0.1 µF
0.1 µF
0.1 µF
100 Ω
100 Ω
C Control Mode)
0.1 µF
0.1 µF
0.1 µF
0.1 µF
100 Ω
100 Ω
Interrupt/CKIN_1 Invalid Indicator
CKIN_2 Invalid Indicator
Serial Port Address
Serial Data
Serial Clock
+
–
+
–
Interrupt/CLKIN_1 Invalid Indicator
CLKIN_2 Invalid Indicator
Slave Select
Serial Data Out
Serial Data In
Serial Clock
+
–
+
–
Clock Outputs
I
2
Clock Outputs
C Interface
SPI Interface
Si5325
5