MC44BC375JDR2 查看數據表（PDF） - Freescale Semiconductor

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MC44BC375JDR2

PLL Tuned VHF Audio/Video High Integration Modulator ICs

Freescale Semiconductor 

Markings and Case DiagraFmrseescale Semiconductor, Inc.

15 Markings and Case Diagrams

15.1 Pin Description

N° Symbol

1 CHS

2 PSS

3 LOP

4 XTAL

5 Gnd

6 PREEM

7 AUDIO

8 SPLFLT

9 PSave/LO

10 VIDEO

11 VCCA

12 GND

13 TVOUT

14 TVOVCC

15 PLLFLT

16 SFS

Pin description

Channel Select

Picture to Sound Select

Logic Output Port

Crystal

Ground

Pre-emphasis

Audio Input

Sound PLL Filter

PowerSave & Logic Output control

Video Input

Voltage supply

Ground

TV Output

Voltage supply

PLL Filter

Sound Frequency Select

Functionality

Channel 3 / Channel 4 selection for MC44BC375U

Channel 1 / Channel 2 selection for MC44BC375J

Don’t care for the MC44BC375T

PS=14dB / PS=16dB selection

Logic Output Level (Low voltage / high impedance)

selectable via Pin 9

Crystal Oscillator input

Audio Pre-emphasis capacitor

Normal Mode / Power save mode selection

In Power Save Mode, the LOP pin is automatically

switched to low voltage

Modulated signal Output

UHF PLL Filter

Sound frequency 4.5Mhz / 5.5Mhz selection

16

MC44BC375/U/J/T Technical Data

MOTOROLA

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