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NEC - 300-OUTPUT TFT-LCD SOURCE DRIVER COMPATIBLE WITH 64 GRAY SCALE

Numéro de référence UPD16634AN
Description 300-OUTPUT TFT-LCD SOURCE DRIVER COMPATIBLE WITH 64 GRAY SCALE
Fabricant NEC 
Logo NEC 





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UPD16634AN fiche technique
DATA SHEET
MOS INTEGRATED CIRCUIT
µPD16634A
300-OUTPUT TFT-LCD SOURCE DRIVER
(COMPATIBLE WITH 64 GRAY SCALE)
DESCRIPTION
The µPD16634A is a source driver for TFT-LCDs capable of dealing with displays 64 gray scales. Data input is
based on digital input configured as 6 bits by 6 dots (2 pixels), which can realize a full-color display of 260,000 colors
by output of 64 values γ -corrected by an internal D/A converter and 5-by-2 external power modules. Because the
5 output dynamic range is as large as VSS2+0.1 V to VDD20.1 V, level inversion operation of the LCD’s common
electrode is rendered unnecessary. Also to be able to deal with dot-line inversion when mounted on a single side,
this source driver equipped with a built-in 6-bit D/A converter circuit whose odd output pins and even output pins
respectively output gray scale voltages of differing polarity. Assuring a maximum clock frequent of 40 MHz when
drivng at 3.0 V, this driver is applicable to XGA-standard TFT-LCD panels.
FEATURES
300 outputs
CMOS level input
Input of 6 bits (gradation data) by 6 dots
Capable of outputting 64 values by means of 5-by-2 external power modules (10 units) and a D/A converter
5 Output dynamic range : VSS2+0.1 V to VDD20.1 V
5 Logic part supply voltage (VDD1) : 3.3 V ± 0.3 V
5 Driver part supply voltage (VDD2) : 8.0 V ± 0.5 V
High-speed data transfer: fMAX=40 MHz MIN.(internal data transfer rate when operating at 3.0 V)
Output voltage polarity inversion is possible (POL)
Display data inversion function (POL2)
Single bank arrangement is possible(loaded with slim TCP).
ORDERING INFORMATION
Part Number
µPD16634AN-xxx
Package
TCP (TAB package)
Remark The TCP’s external shape is customized. To order your TCP’s external shape, please contact a NEC
salesperson.
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. S12595EJ2V0DS00 (2nd edition)
Date Published March 1999 NS CP (K)
Printed in Japan
The mark shows major revised points.
©
1998

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