MC145202 datasheet(2/24 Pages) MOTOROLA

Il numero della parte	MC145202

Spiegazioni elettronici	Low-Voltage 2.0 GHz PLL Frequency Synthesizer Includes On-Board 64/65 Prescaler

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Produttore elettronici	MOTOROLA [Motorola, Inc]

Homepage	http://www.freescale.com

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2 / 24 page

MC145202

MOTOROLA

2

ENB

REFin

Din

CLK

REFout

fin

OSC OR

4–STAGE

DIVIDER

(CONFIGURABLE)

20

1

18

19

11

10

OUTPUT A

INPUT

AMP

SELECT

LOGIC

3

13

24

13–STAGE R COUNTER

64/65

PRESCALER

MODULUS

CONTROL

LOGIC

12–STAGE

N COUNTER

6–STAGE

A COUNTER

INTERNAL

CONTROL

SHIFT

REGISTER

AND

CONTROL

LOGIC

STANDBY

LOGIC

POR

BitGrabber

™ A REGISTER

24 BITS

BitGrabber

™ C REGISTER

8 BITS

DOUBLE–BUFFERED

BitGrabber

™ R REGISTER

16 BITS

PHASE/FREQUENCY

DETECTOR B AND CONTROL

PHASE/FREQUENCY

DETECTOR A AND CONTROL

LOCK DETECTOR

AND CONTROL

6

12

4

2

LD

Rx

PDout

φR

φV

OUTPUT B

(OPEN–

DRAIN

OUTPUT)

TEST 2

TEST 1

9

15

13

4

3

6

8

2

16

SUPPLY CONNECTIONS:

PIN 12 = VCC (V+ TO INPUT AMP AND 64/65 PRESCALER)

PIN 5 = VPD (V+ TO PHASE/FREQUENCY DETECTORS A AND B)

PIN 14 = VDD (V+ TO BALANCE OF CIRCUIT)

PIN 7 = GND (COMMON GROUND)

17

DATA OUT

fR

fV

PORT

BLOCK DIAGRAM

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