MC44864M 데이터 시트보기 (PDF) - Motorola => Freescale

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MC44864M

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

Motorola => Freescale 

Pin

6, 7, 8

9

10, 11

12, 20

13

14, 15, 16, 17

18

19

1

2

3

4

5

Symbol

DA1, DA2, DA3

VCC1

HF1, HF2

Gnd

CA

B1, B3, B5, B7

SCL

SDA

XTAL

PHO

Amp In

VCC2

VTUN

MC44864

PIN FUNCTION DESCRIPTION

Description

D/A output control voltages

Positive supply of the circuit (except DACs)

HF input from local oscillator

Ground

Chip Address

Band buffer output can drive 15 mA

Clock input (supplied by the microprocessor via Bus)

Data input (bus)

Crystal oscillator (typically 4.0 MHz)

Phase comparator output

Negative operational amplifier input

Operational amplifier positive supply

Operational amplifier output which provides the tuning voltage

MOTOROLA ANALOG IC DEVICE DATA

5

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