MC145202 View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

MC145202

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

Motorola => Freescale 

BLOCK DIAGRAM

REFin 20

1

REFout

OSC OR

4–STAGE

DIVIDER

(CONFIGURABLE)

13–STAGE R COUNTER

3

13

DOUBLE–BUFFERED

BitGrabber™ R REGISTER

16 BITS

CLK 18

19

Din

17

ENB

SHIFT

REGISTER

AND

CONTROL 24

LOGIC

INTERNAL

CONTROL

4

BitGrabber™ C REGISTER

8 BITS

STANDBY POR

LOGIC

2

BitGrabber™ A REGISTER

24 BITS

6

12

6–STAGE

A COUNTER

12–STAGE

N COUNTER

fin

11

fin

10

INPUT

AMP

64/65

PRESCALER

MODULUS

CONTROL

LOGIC

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)

DATA OUT

fR

PORT

fV

SELECT

LOGIC

16

OUTPUT A

LOCK DETECTOR

AND CONTROL

2

LD

8 Rx

PHASE/FREQUENCY

6

DETECTOR A AND CONTROL

PDout

PHASE/FREQUENCY

3 φR

DETECTOR B AND CONTROL 4 φV

OUTPUT B

15 (OPEN–

DRAIN

OUTPUT)

13

TEST 2

9

TEST 1

MC145202

2

MOTOROLA

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