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UPD16718 Datasheet

  • UPD16718

  • UPD16718 Data Sheet | Data Sheet[12/2001]

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DATA SHEET
MOS INTEGRATED CIRCUIT
碌
PD16718
480/420-OUTPUT TFT-LCD SOURCE DRIVER
(COMPATIBLE WITH 64-GRAY SCALES)
DESCRIPTION
The
碌
PD16718 is a source driver for TFT-LCDs capable of dealing with displays with 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
緯
-corrected by an internal D/A converter and 7-by-2 external power modules. Because
the output dynamic range is as large as V
SS2
+ 0.1 V to V
DD2
鈥?0.1 V, level inversion operation of the LCD鈥檚 common
electrode is rendered unnecessary. Also, to be able to deal with dot-line inversion, n-line inversion and column line
inversion when mounted on a single side, this source driver is 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 frequency of 57 MHz when driving at 2.5 V, this driver is applicable to SXGA+/UXGA-standard TFT-
LCD panels.
FEATURES
鈥?CMOS level input (2.5 to 3.6 V)
鈥?480/420 Outputs
鈥?Input of 6 bits (gray scale data) by 6 dots
鈥?Capable of outputting 64 values by means of 7-by-2 external power modules (14 units) and a D/A converter (R-
DAC)
鈥?Logic power supply voltage (V
DD1
): 2.5 to 3.6 V
鈥?Driver power supply voltage (V
DD2
): 10.0 to 12.5 V
鈥?Output dynamic range V
SS2
+ 0.1 V to V
DD2
鈥?0.1 V
鈥?High-speed data transfer: f
CLK
= 57 MHz (internal data transfer speed when operating at V
DD1
=
2.5 V
鈥?Apply for dot-line inversion, n-line inversion and column line inversion
鈥?Output Voltage polarity inversion function (POL)
鈥?Display data inversion function (capable of controlling by each input port) (POL21, POL22)
鈥?Current consumption control function (LPC)
鈥?TCP/COF package
5
ORDERING INFORMATION
Part Number
Package
TCP (TAB package)
COF (Chip on Film) package
碌
PD16718N-xxx
碌
PD16718NL-xxx
Remark
Consult an our sales representative regarding the TCP/COF.
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. S15423EJ1V0DS00 (1st edition)
Date Published December 2001 NS CP(K)
Printed in Japan
The mark
5
shows major revised points.
漏
2001

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