MC12206 Datasheet, PDF (3/12 Pages) Motorola, Inc – MECL PLL COMPONENTS Serial Input PLL Frequency Synthesizer

OSCin
OSCout
CRYSTAL
OSCILLATOR
FC
LE
DATA
CONTROL
BIT
LE
DATA
CLK
fIN
PRESCALER
64/65 or 128/129
MC12206
15–BIT SHIFT REGISTER
15
15–BIT LATCH
14
1
PROGRAMMABLE REFERENCE DIVIDER
fr
14–BIT REFERENCE COUNTER
LD
PHASE/FREQUENCY
φP
DETECTOR
φR
CHARGE
PUMP 1
Do
18–BIT SHIFT REGISTER
7
11
7–BIT
LATCH
7
11–BIT LATCH
11
PROGRAMMABLE DIVIDER
7–BIT
11–BIT
fp
SWALLOW PROGRAMMABLE
A–COUNTER N–COUNTER
CONTROL LOGIC
CHARGE
PUMP 2
BISW
DIVIDER
OUTPUT MUX
fOUT
Figure 1. MC12206 Block Diagram
HIPERCOMM
3
BR1334 — Rev 4
MOTOROLA