UMA1005T データシートの表示（PDF） - Philips Electronics

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UMA1005T

Dual low-power frequency synthesizer

Philips Electronics 

Philips Semiconductors

Dual low-power frequency synthesizer

BLOCK DIAGRAM

Preliminary specification

UMA1005T

/1 page = 296 mm (Datashe4et)

DATA

5

CLOCK

6

STROBE

SERIAL INPUT + PROGRAM LATCHES

27 mm

INM1

INM2

INR

INA

EM

2

3

PR NM1

2 12

NM2

NM3

8

NM4

4

MAIN DIVIDERS

FMOD

NF

3

FRACTIONAL

ACCUMULATOR

FRD CN

EM

2

8

MAIN

PHASE

DETECTOR

UMA1005T

CL

SM

2

2

MAIN

REFERENCE

NR

SELECT

EM + EA

12

CK

7

REFERENCE DIVIDER

22 2

4

SA

2

AUXILIARY

REFERENCE

SELECT

18

PRESCALER

FEEDBACK 19

16

15

NORMAL

OUTPUT

CHARGE

PUMP

13

SPEED-UP

OUTPUT

CHARGE

PUMP

INTEGRAL

OUTPUT 11

CHARGE

PUMP

9

EA

8

PA NA

12

EA

AUXILIARY

PHASE

DETECTOR

41

AUXILIARY DIVIDER

2

AUXILIARY

OUTPUT 10

CHARGE

PUMP

17

FB1

FB2

RF

RN

PHP

PHI

RA

PHA

LOCK

1

14

20

12

MEA668 - 1

VDDD VDDA VSS

V SSA

November 1994

Fig.1 Block diagram.

3

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