TC90A45F TOSHIBA Semiconductor CORPORATION, TC90A45F Datasheet

TC90A45F

Manufacturer Part Number

TC90A45F

Description

Manufacturer

TOSHIBA Semiconductor CORPORATION

Datasheet

1.TC90A45F.pdf (11 pages)

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NTSC 2-LINE DIGITAL Y / C SEPARATION IC

FEATURES

· TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general

· The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal

· The products described in this document are subject to the foreign exchange and foreign trade laws.

· The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by

· The information contained herein is subject to change without notice.

can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the

buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and

to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or

damage to property.

In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the

most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling

Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc..

equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are

neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or

failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy

control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control

instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document

shall be made at the customer’s own risk.

TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its

use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or

others.

The TC90A44P, TC90A45P / F separates luminance (Y) and

chrominance (C) signals from NTSC system composite video signal

by using 2 horizontal (H) lines separation. The Y / C separation unit

for TV and VCR set is able to assembled at low cost, because it

requires few external parts and no adjustment.

TV system : NTSC

PLL4 × multiplication circuit

sync. tip clamping circuit

Internal 8 bit A / D converter

Internal 8 bit D / A converters (2 ch.)

1 H line memory

Dynamic comb filter

Color killer mode (Y / C separation OFF)

DIP16 / SOP16 package

5 V single power supply

TC90A44P,TC90A45P,TC90A45F

TOSHIBA CMOS DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC

Weight

DIP16-P-300-2.54A : 1.00 g (Typ.)

SOP16-P-300-1.27 : 0.18 g (Typ.)

TC90A44P,45P/F

2001-01-16 1/11

000707EBA1

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TC90A45F Summary of contents

Page 1

... TOSHIBA CMOS DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC TC90A44P,TC90A45P,TC90A45F NTSC 2-LINE DIGITAL SEPARATION IC The TC90A44P, TC90A45P / F separates luminance (Y) and chrominance (C) signals from NTSC system composite video signal by using 2 horizontal (H) lines separation. The separation unit for TV and VCR set is able to assembled at low cost, because it requires few external parts and no adjustment ...

Page 2

TC90A44P BLOCK DIAGRAM TC90A45P / F BLOCK DIAGRAM TERMINAL CONNECTION DIAGRAM TC90A44P,45P/F 2001-01-16 2/11 ...

Page 3

TERMINAL FUNCTION PIN NAME No Ground for analog components. SS ADC bias lower limit reference voltage. This defaults internally to approximately 2 VRB 2. this pin should normally be conected to ground (AV 0.01 µF capacitor. ...

Page 4

PIN NAME FUNCTION No Power supply for digital components (+5 V Ground for digital components. SS Clock input. After applying capacitor for DC 10 CKIN cut, input a color-burst-synchronized f clock signal to this pin. ...

Page 5

FUNCTION BLOCK DESCRIPTIONS (1) Input clamp (CLAMP) This is sync tip clamp circuit for composite signal. This circuit makes feedback so that the min. data after converter separation equal to internal DC bias ...

Page 6

... MAXIMUM RATINGS CHARACTERISTIC Power Supply Voltage Input Voltage TC90A44P/45P Power Dissipation TC90A45F Storage Temperature (Note 70°C RECOMMENDED OPERATING CONDITION CHARACTERISTIC Power Supply Voltage Input Voltage Operating Temperature ELECTRICAL CHARACTERISTICS DC CHARACTERISTICS (Ta = 25°C, V CHARACTERISTIC Power Supply Voltage ...

Page 7

AC CHARACTERISTICS (1)Y output (Ta = 25° CHARACTERISTICS SYMBOL Input Level Low Frequency Gain Frequency 2 1 Response Comb Characteristics Output Impedance (Note ...

Page 8

V DD CHARACTERISTICS Gain TC90A44P BPF Characteristics TC90A45P / F TC90A44P Comb Characteristics TC90A45P / F Differential Gain Differential Phase Output Impedance (3)PLL circuit characteristics CHARACTERISTICS Pull-In Frequency Range Input Amplitude (f Components ...

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TC90A45F TOSHIBA Semiconductor CORPORATION, TC90A45F Datasheet

TC90A45F

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TC90A45F Summary of contents

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