MC44864 データシートの表示（PDF） - Motorola => Freescale

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MC44864

PLL TUNING CIRCUIT WITH 1.3 GHz PRESCALER AND D/A CONVERTERS

Motorola => Freescale 

MC44864

B7 B5 B3 B1

17 16 15 14

B7 B5 B3 B1

Buffers

Representative Block Diagram

DA3

8

Amp 4

DA2

7

Amp 3

DA1

6

Amp 2

VTUN

5

VCC2 33 V

4

Amp 1

3 Amp

In

Bias

Test

Logic

Fout Fref

F1

VCC1 9

5.0 V

D/A 3

6 Bit

Latches

D/A 2

6 Bit

Latches

D/A 1

6 Bit

Latches

Decoder

DTC

Shift Register

8 Bit

CA 13

SCL 18

SDA

19

Gnd 12

I2C Bus

Receiver

DTB

FUN

CL

Data

AD1

AD2 DTF

Latches

Shift Register

15 Bit

Latches A

HF1 10

HF2 11

Preamp 1

÷8

Presc

Latches B

Program Divider

15 Bit

Preamp 2

Ref

Voltage

Latches

Phase

Comp

2 PHO

Fout

Fref

Ref

Divider

F1

62.5 kHz

4.0 MHz

1

Osc

XTAL

20

Gnd

TDI

Latch

Fout

Control

AVA

This device contains 3,551 active transistors.

2

MOTOROLA ANALOG IC DEVICE DATA

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