U6359B 데이터 시트보기 (PDF) - Temic Semiconductors

부품명

상세내역

제조사

U6359B

Frequency Synthesizer for TV Tuner

Temic Semiconductors 

Frequency Synthesizer for TV Tuner

U6359B

Description

The U6359B is a single chip PLL frequency synthesizer

with 3-wire bus control. This IC contains an integrated

preamplifier, a high frequency prescaler, a reference

frequency divider, a crystal oscillator, a phase/frequency

detector together with a charge pump, a tuning voltage

amplifier and 4 output ports.

Features

D Integrated prescaler ÷ 8 with preamplifier

D Input frequency maximum 1024 MHz

D Tuning frequency steps 62.5 kHz

D 14-bit programmable counter

D Reference oscillator with 4 MHz crystal

and ÷ 512 counter

D Phase detector (reference frequency 7.8125 kHz)

D 4 programmable port driver

D Lock output

D Microcomputer controlled via 3-wire bus

D SO20 package

Block Diagram

Enable

2

Data

3

Clock

4

RFi 15

17

Format

control

1/8

Shiftregister / latch

18 bit

14 Bit counter

Port 1...4

11 12 13 14

Port driver

5

VS (I2L)

8 GND (I2L)

16

GND (ECL)

10

PD

Oscillator

6

7

Crystal

Ordering Information

Extended Type Number

U6359B-BFLG3

Phase

Detector

Charge

pump

1/64

1/8

20

Lock

Figure 1. Block diagram

9

VD

18

VS (ECL)

1

Test 1

19

Test 2

12596

Package

SO20 plastic package

Remarks

Taped and reeled

TELEFUNKEN Semiconductors

1 (6)

Rev. A1, 18-Sep-96

Share Link: