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PDF NL6448AC33-27G Data sheet ( Hoja de datos )
| Número de pieza | NL6448AC33-27G | |
| Descripción | TFT COLOR LCD MODULE | |
| Fabricantes | NEC | |
| Logotipo |  |
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PRELIMINARY DATA SHEET
TFT COLOR LCD MODULE
NL6448AC33-27G
26 cm (10.4 inches), 640 ´ 480 pixels, 262,144 colors,
Incorporated two-lamp/edge-light type backlight,
Wide viewing angle
DESCRIPTION
NL6448AC33-27G is a TFT (thin film transistor) active matrix color liquid crystal display (LCD) comprising
amorphous silicon TFT attached to each signal electrode, a d riving circuit and a backlight. NL6448AC33-27G has a
built-in backlight. Backlight includes replaceable, long-life cold cathode fluorescent lamps (CCFLs).
The 26 cm (10.4 inches) diagonal display area contains 640 ´ 480 pixels and can display 262,144 colors
simultaneously.
NL6448AC33-27G is suitable for industrial application use because it has wide viewing angle and high luminance.
The viewing direction (upper or lower side) is also selectable by changing the scan direction.
NL6448AC33-27G is a gamma-modified version of NL6448AC33-27.
FEATURES
• Wide viewing angle (with Retardation Film)
• High luminance (250 cd/m2 typ.)
• Low reflection
• 6-bit digital RGB interface
• Data enable (DE) function
• Incorporated edge-light type backlight with two long-life lamps (one lamp holder)
• Replaceable lamp holder (Type No.: 104LHS29L)
• Reversible scan direction
• Best viewing angle select function
APPLICATIONS
• Display terminals for control system
• Monitors for process controller
• Personal computers (PC), Word processor
The information in this document is subject to change without notice.
Document No. LPDS64483327G-02JL
Date Published March 2, 1999
Printed in USA
© NEC Electronics, Inc. 1999
1 page  
ELECTRICAL CHARACTERISTICS
(1) Logic, LCD driving
Parameter
Supply voltage
Logic input Low voltage
Logic input High voltage
Supply current
Symbol
VCC
VIL
VIH
ICC
MIN.
3.0
(4.75)
0
VCC ´ 0.7
–
–
TYP.
3.3
(5.0)
–
–
325Note
(250)
Note: Checkered flag pattern (in EIAJ ED-2522)
MAX.
3.6
(5.25)
VCC ´ 0.3
VCC
400
(300)
Unit
V
V
V
mA
(2) Backlight (with recommended NEC inverter 104PWBR1)
Parameter
Supply voltage
Supply current
Symbol
VDDB
IDDB
MIN.
11.4
–
TYP.
12.0
480
MAX.
12.6
550
Unit
V
mA
NL6448AC33-27G
Remarks
Ta = 25°C
VCC = 3.3 V
(VCC = 5.0 V)
VCC = 3.3 V
(VCC = 5.0 V)
Remarks
Ta = 25°C
250 cd/m2
SUPPLY VOLTAGE SEQUENCE
3.0 V (4.75 V)
VCC
0 < t < 35 ms 0 < t < 35 ms
3.0 V (4.75 V)
SignalsNote 1,2,3
BacklightNote 4
VALID
ON 2tV < t 0 < t OFF
Time
Note 1. Signals: CLK, Hsync, Vsync, DE,
DATA (R0-R5, G0-G5, B0-B5)
2. The supply voltage for input signals
should be the same as VCC.
3. Apply VDDB within the LCD operation
period. When the backlight turns on
before LCD operation or the LCD
operation turns off before the backlight
turns off, the display may momentarily
become white.
4. When power is off, please keep all
signals at low level or high impedance.
5
5 Page 
(2) Definition of input signal timing
<Vertical>
tvp
tv
NL6448AC33-27G
Vsync
Display periodNote
DE (DE mode)
<Horizontal>
Hsync
Display periodNote
DE (DE mode)
tvb tvf
tvd
th
thp
thb thf
thd
Note: These signals are for reference only. They do not exist.
Remark: (thp + thb) and (tvp + tvb) should be set according to the input signal specifications. Dispaly
position will be shifted otherwise.
11
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet NL6448AC33-27G.PDF ] | |
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