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PDF NL6448AC33-27 Data sheet ( Hoja de datos )
| Número de pieza | NL6448AC33-27 | |
| Descripción | TFT COLOR LCD MODULE | |
| Fabricantes | NEC | |
| Logotipo |  |
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DATA SHEET
TFT COLOR LCD MODULE
NL6448AC33-27
26 cm (10.4 inches), 640 × 480 pixels, 262,144 colors,
Incorporated two-lamp/Edge-light type backlight
Wide viewing angle
DESCRIPTION
NL6448AC33-27 is a TFT (thin film transistor) active matrix color liquid crystal display (LCD) comprising
amorphous silicon TFT attached to each signal electrode, a driving circuit and a backlight. NL6448AC33-27 has a
built-in backlight. Backlight includes long-life-lamps and the lamps are replaceable.
The 26 cm (10.4 inches) diagonal display area contains 640 × 480 pixels and can display 262,144 colors
simultaneously.
NL6448AC33-27 is suitable for industrial application use, because the viewing angle is wide and the luminance
is high. The viewing direction is also selectable either upper or lower side by changing scan direction.
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 type backlight with two long-life-time lamps (one lamp holder, with inverter)
• Lamp holder replaceable (Type No.: 104LHS29L)
• Reversible scan direction
• Best viewing angle select function
• Approved to UL1950 2nd edition and CSA-C22.2 No.950-93 (File No.: E170632)
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. EN0378EJ1V0DS00 (1st edition)
Date Published December 1998 P
Printed in Japan
©
1998
1 page  
NL6448AC33-27
ELECTRICAL CHARACTERISTICS
(1) Logic, LCD driving
Parameter
Symbol
MIN.
TYP.
MAX.
Unit
Remarks
Ta = 25°C
Supply voltage
VCC 3.0 3.3 3.6
(4.75)
(5.0)
(5.25)
V VCC = 3.3 V
(VCC = 5.0 V)
Logic input Low voltage
VIL
0
– VCC × 0.3 V
Logic input High voltage
VIH VCC × 0.7
–
VCC
V
Supply current
ICC
– 325 Note 400
mA VCC = 3.3 V
–
(250)
(300)
(VCC = 5.0 V)
Note Checkered flag pattern (in EIAJ ED-2522)
(2) Backlight
Parameter
Supply voltage
Supply current
Symbol
VDDB
IDDB
MIN.
11.4
–
TYP.
12.0
480
MAX.
12.6
550
Ta = 25°C
Unit Remarks
V
mA 250 cd/m2
SUPPLY VOLTAGE SEQUENCE
3.0 V (4.75 V)
VCC
Signals Notes 1, 2, 3
Backlight Note 4
0 < t < 35 ms 0 < t < 35 ms
VALID
ON 2tV < t 0 < t OFF
3.0 V (4.75 V)
Time
Notes 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 the power is off, please keep
whole signals low level or high
impedance.
5
5 Page 
(2) Definition of input signal timing
<Vertical>
tvp
tv
NL6448AC33-27
Vsync
tvb
tvf
Display period Note
DE (DE mode)
<Horizontal>
thp
tvd
th
Hsync
thb
thf
Display period Note
DE (DE mode)
thd
Note These do not exist as signals.
Remark Set the total of thp + thb and tvp + tvb as the table of input signal timing, otherwise display position is
shifted to right or left side, or to up or down side.
11
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| PDF Descargar | [ Datasheet NL6448AC33-27.PDF ] | |
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