MB1503 Datasheet, PDF(3/15 Page) Fujitsu Component Limited. – LOW-POWER PLL FREQUENCY SYNTHESIZER WITH POWER SAVE FUNCTION (1.1GHz)

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MB1503 Datasheet, PDF (3/15 Pages) Fujitsu Component Limited. – LOW-POWER PLL FREQUENCY SYNTHESIZER WITH POWER SAVE FUNCTION (1.1GHz)

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BLOCK DIAGRAM

MB1503

OSCIN 1

OSCOUT 2

VP 3

VCC 4

Oscillator PS1

From Charge

Pump

DO 5

16-bit Shift Register

15-bit Latch

Programmable

Reference Divider

Binary 14-bit S

Reference W

Counter

PS1

Intermittent

Operation

Control Circuit

From

GND 6 Phase

Comparator

LD 7

Lock

Detection

Circuit

fIN 8

PS1

Prescaler

SW Output

Prescaler

PS1

19-bit Shift Register

18-bit Latch

7-bit Latch 11-bit Latch

Programmable Divider

Binary 7-bit Binary 11-bit

Swallow Programmable

Counter

Control Circuit

To Lock Detector

PS1

Phase

Comparator

16 PS

15 fR

Phase

Characteristics

Changing

Circuit

Charge

PS1

Pump

14 fP

From

Phase

Comparator

13 BiSW

12 FC

Schmitt

Trigger

11 LE

1-bit

Control

Latch

Schmitt

Trigger

10 Data

Schmitt

Trigger

9 Clock

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