SI5338 Datasheet, PDF (2/170 Pages) Silicon Laboratories – I2C-PROGRAMMABLE ANY-FREQUENCY, ANY-OUTPUT QUAD CLOCK GENERATOR

Si5338
Functional Block Diagram
IN1
IN2
IN3
IN4
IN5
IN6
SCL
SDA
INTR
Osc
noclk
P1DIV_IN
ref
÷P1
P2DIV_IN
fb
÷P2
noclk
OEB/PINC/FINC
I2C_LSB/PDEC/FDEC
Control & Memory
Control
NVM
(OTP)
RAM
VDD
Synthesis
Stage 1
(PLL)
Phase
Frequency
Detector
Loop
Filter
VCO
MultiSynth
÷N
Synthesis
Stage 2
MultiSynth
÷M0
MultiSynth
÷M1
MultiSynth
÷M2
MultiSynth
÷M3
Output
Stage
÷R0
÷R1
÷R2
÷R3
VDDO0
CLK0A
CLK0B
VDDO1
CLK1A
CLK1B
VDDO2
CLK2A
CLK2B
VDDO3
CLK3A
CLK3B
2
Rev. 0.6