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CXD2453Q

Timing Generator for LCD Panels

Sony Semiconductor 

Timing Generator for LCD Panels

CXD2453Q

Description

The CXD2453Q is a timing signal generator for

driving the LCX017AL and LCX023AL LCD panels.

This chip outputs timing signals which support XGA

signals (1024 × 768 dots) and S-XGA signals (1280 ×

1024 dots).

80 pin QFP (Plastic)

Features

• Supports various XGA signals (1024 × 768 dots)

having horizontal scanning frequencies of 44-69kHz

and vertical scanning frequencies of 55 to 85Hz.

• Supports S-XGA (1280 × 1024 dots) pulse

eliminator (horizontal scanning frequency of 69kHz

or less).

• Controls the sample-and-hold position of the

CXA2112R sample-and-hold driver.

• Line inversion and field inversion signal generation

• AC drive of LCD panels during no signal.

Applications

LCD projectors, etc.

Structure

Silicon gate CMOS IC

Absolute Maximum Ratings (VSS = 0V)

• Supply voltage VDD

VSS – 0.5 to +4.0

V

• Input voltage VI

(3.3V input pin)

VSS – 0.5 to VDD + 0.5 V

(5.0V input pin)

VSS – 0.5 to VDD + 2.5 V

• Output voltage VO VSS – 0.5 to VDD + 0.5 V

• Storage temperature

Tstg

–55 to +125

°C

Recommended Operating Conditions

• Supply voltage VDD

+3.0 to +3.6

V

• Operating temperature

Topr

–20 to +75

°C

Note: Company names and product names, etc.

contains in these materials are the trademarks

or registered trademarks of the respective

companies.

Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by

any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the

operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.

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E97425B7Y-PS

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