MC44BC375UA FREESCALE [Freescale Semiconductor, Inc], MC44BC375UA Datasheet - Page 8

• Manufacturer Part Number: MC44BC375UA
• Description: PLL Tuned VHF Audio/Video High Integration IC
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Pin Selection
8 Pin Selection
By default (open condition), all pins are “HI”.
8.1 Test Modes
9 High Frequency Characteristics
For all the following specifications and unless otherwise stated: Vcc = 5.0V, T amb. = 25°C.Video input
1Vp-p, 10 step greyscale.RF inputs/outputs into 75
ENVELOPE DEMODULATION. Measured on both channel 3 and 4. See Section 12, “Characterization
Measurement Conditions” on page 9.
TV OUT output level
Sound subcarrier Harmonics (fp+n*fs)
Second Harmonic of chroma subcarrier.
Chroma/Sound intermodulation: fp + (fsnd-
fchr)
Fo (picture carrier) Harmonics
Out Band (picture carrier) Spurious
In band spurious (Fo +/- 5 MHz range)
4 MHz Crystal Spurious (Fo +/- 4 MHz)
Note:
Pin Nb
VIDEO
CHS
PSS
SFS
16
Pin
1
2
9
1: Picture carrier harmonics are highly dependant on PCB layout and decoupling capacitors.
Pin Name
PSave/LO
Parameter
CHS
PSS
SFS
Test modes are intended for manufacturing test purpose only and not to be
be used for normal application.
Vcc + 1Vbe
Vcc + 1Vbe
Vcc + 0.3V
Vcc + 1.1V
Vcc + 0.3V
Vcc + 1.1V
DC level
CH4
14dB
Power save Mode
LOP pin LO (Low voltage)
5.5Mhz
Freescale Semiconductor, Inc.
For More Information On This Product,
LO (grounded)
Low frequency testing (RF frequency divided by)
Base band test mode (DC drive applied to modulators)
Transient Output Inhibit Disabled
Sound Oscillator OFF
Force UHF and Sound PLL Upper current source
Force UHF and Sound PLL Lower current source
MC44BC375UA Advance Information
Go to: www.freescale.com
Ref Picture carrier
Using red EBU bar
Using red EBU bar
2nd harmonic
3rd harmonic
1/2*Fo - 1/4*Fo - 3/2*Fo - 3/4*Fo
No video or sound modulation
No video or sound modulation
Test Conditions
NOTE:
Ω
load.SPECIFICATIONS ONLY VALID FOR
CH3
16dB
Normal Operation
LOP pin HI (High impedance
4.5Mhz
HI (Open or +5V)
Description
Min
78
-
-
-
Typ
-72
80
-
-
Max
-65
-60
-60
-60
-75
83
46
73
32
dBuV
dBµV
dBµV
dBµV
Unit
dBc
dBc
dBc
dBc
dBc
Type
B
C
C
C
C
C
C
C
C