TC90A44F datasheet(3/11 Pages) TOSHIBA

Part #	TC90A44F

Description	NTSC 2-LINE DIGITAL Y/C SEPARATION IC

PDF	11 Pages

Scroll/Zoom	100%

Manufacturer	TOSHIBA [Toshiba Semiconductor]

Direct Link	http://www.semicon.toshiba.co.jp/eng

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3 / 11 page

TC90A44P,45P/F

2001-01-16 3/11

TERMINAL FUNCTION

No.

NAME

FUNCTION

I / O

INTERFACE CIRCUIT

AVSS

Ground for analog components.

−

—

VRB

ADC bias lower limit reference voltage.

This defaults internally to approximately

2.25 V, so this pin should normally be

conected to ground (AVSS) through a

0.01 µF capacitor.

−

VRT

ADC bias higher limit reference voltage.

This defaults internally to approximately

2.8 V, so this pin should normally be

conected to ground (AVSS) through a

0.01 µF capacitor.

−

ADIN

Composite video signal input.

BIAS1

ADC bias voltage.

This defaults internally to approximately

1.3 V, so this pin should normally be

conected to ground (AVSS) through a

0.01 µF capacitor.

−

TEST

Test terminal. Normally connected to

ground (DVSS).

−

KILLER

This pin is switch for color killer circuit.

H : For B / W signal, Y / C separation

OFF.

L : Normal Y / C separation

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