參數(shù)資料
型號(hào): MC44BC375UD
廠商: MOTOROLA INC
元件分類(lèi): 消費(fèi)家電
英文描述: PLL Tuned VHF Audio/ Video High Integration Modulator ICs
中文描述: SPECIALTY CONSUMER CIRCUIT, PDSO16
封裝: SO-16
文件頁(yè)數(shù): 16/20頁(yè)
文件大?。?/td> 537K
代理商: MC44BC375UD
16
MC44BC375/U/J/T Technical Data
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
Markings and Case Diagrams
15
Markings and Case Diagrams
15.1
Pin Description
Symbol
Pin description
Functionality
1
CHS
Channel Select
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
2
PSS
Picture to Sound Select
3
LOP
Logic Output Port
4
5
6
7
8
XTAL
Gnd
PREEM
AUDIO
SPLFLT
Crystal
Ground
Pre-emphasis
Audio Input
Sound PLL Filter
Audio Pre-emphasis capacitor
9
PSave/LO
PowerSave & Logic Output control
Normal Mode / Power save mode selection
In Power Save Mode, the LOP pin is automatically
switched to low voltage
10
11
12
13
14
15
16
VIDEO
VCCA
GND
TVOUT
TVOVCC
PLLFLT
SFS
Video Input
Voltage supply
Ground
TV Output
Voltage supply
PLL Filter
Sound Frequency Select
Modulated signal Output
UHF PLL Filter
Sound frequency 4.5Mhz / 5.5Mhz selection
F
n
.
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