MC145149P Просмотр технического описания (PDF) - Motorola => Freescale

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Компоненты Описание

производитель

MC145149P

Dual PLL Frequency Synthesizer

Motorola => Freescale 

3

ENB

fin1 4

OSCin 15

OSCout 16

fin2 7

DATA 5

CLK 6

2–BIT

CONTROL

S/R

BLOCK DIAGRAM

1–BIT

LATCH

1–BIT

CONTROL

S/R

14–BIT SHIFT REGISTER

14

REFERENCE COUNTER LATCH

14

14–BIT ÷ R COUNTER

CONTROL LOGIC

7–BIT ÷ A

COUNTER

7

÷ A COUNTER

LATCH

7

7–BIT S/R

10–BIT ÷ N

COUNTER

10

÷ N COUNTER

LATCH

10

10–BIT S/R

17 SW1

PIN 18 = VDD1

PIN 20 = VSS1

LOCK 1

DETECT LD1

fR

19

PDout1

PHASE

DETECTOR

fV

2

MODULUS

CONTROL 1

(MC1)

PLL1

1–BIT

LATCH

1–BIT

CONTROL

S/R

14–BIT SHIFT REGISTER

14

REFERENCE COUNTER LATCH

14

14–BIT ÷ R COUNTER

CONTROL LOGIC

7–BIT ÷ A

COUNTER

7

÷ A COUNTER

LATCH

7

7–BIT S/R

10–BIT ÷ N

COUNTER

10

÷ N COUNTER

LATCH

10

10–BIT S/R

PLL2

14 SW2

PIN 13 = VDD2

PIN 11 = VSS2

LOCK 10

DETECT LD2

fR

12

PDout2

PHASE

DETECTOR

fV

9

MODULUS

CONTROL 2

(MC2)

8

S/Rout

MC145149

2

MOTOROLA

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