MC44BC375UA Advance Information

Pin Selection

8 Pin Selection

By default (open condition), all pins are “HI”.

8.1 Test Modes

NOTE:

Test modes are intended for manufacturing test purpose only and not to be

be used for normal application.

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.

Pin Nb

Pin Name

LO (grounded)

HI (Open or +5V)

1

CHS

CH4

CH3

2

PSS

14dB

16dB

9

PSave/LO

Power save Mode

LOP pin LO (Low voltage)

Normal Operation

LOP pin HI (High impedance

16

SFS

5.5Mhz

4.5Mhz

Pin

DC level

Description

CHS

Vcc + 0.3V

Vcc + 1.1V

Low frequency testing (RF frequency divided by)

Base band test mode (DC drive applied to modulators)

PSS

Vcc + 1Vbe

Transient Output Inhibit Disabled

SFS

Vcc + 1Vbe

Sound Oscillator OFF

VIDEO

Vcc + 0.3V

Vcc + 1.1V

Force UHF and Sound PLL Upper current source

Force UHF and Sound PLL Lower current source

Parameter

Test Conditions

Min

Typ

Max

Unit

Type

TV OUT output level

78

80

83

dBuV

B

Sound subcarrier Harmonics (fp+n*fs)

Ref Picture carrier

-

-72

-65

dBc

C

Second Harmonic of chroma subcarrier.

Using red EBU bar

-

-

-60

dBc

C

Chroma/Sound intermodulation: fp + (fsnd-

fchr)

Using red EBU bar

-

-

-60

dBc

C

Fo (picture carrier) Harmonics

2nd harmonic

3rd harmonic

46

73

dBµV

dBµV

C

C

Out Band (picture carrier) Spurious

1/2*Fo - 1/4*Fo - 3/2*Fo - 3/4*Fo

32

dBµV

C

In band spurious (Fo +/- 5 MHz range)

No video or sound modulation

-60

dBc

C

4 MHz Crystal Spurious (Fo +/- 4 MHz)

No video or sound modulation

-75

dBc

C

Note:

1: Picture carrier harmonics are highly dependant on PCB layout and decoupling capacitors.

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com