NL6448BC33-31D NEC, NL6448BC33-31D Datasheet - Page 5

• Manufacturer Part Number: NL6448BC33-31D
• Description: TFT Color LCD Module
• Manufacturer: NEC

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ELECTRICAL CHARACTERISTICS
(1) Logic, LCD driving
(2) Backlight
(3) Backlight (with the recommended inverter 104PWBR1)
SUPPLY VOLTAGE SEQUENCE
Supply voltage
Logic input Low voltage
Logic input High voltage
Supply current
Lamp current
Lamp voltage
Lamp turn-on voltage
Oscillation
Supply voltage
Supply current
Note Checkered flag pattern (in EIAJ ED-2522)
Note Recommended value of "Ft"
Signals
Backlight
Parameter
Parameter
Parameter
If Ft is our of the specification above, interfacrence between Ft frequency and Hsync may cause beat noise on the display.
The following formula should be considered.
Ft=1/4th x (2n-1)
Notes 1, 2, 3
Note 4
V
CC
3.0 V (4.75 V)
Symbol
Symbol
th: Hsync period, n: a natural number (1, 2, 3, ....)
Symbol
V
V
Ft
I
V
V
I
V
DD
V
I
L
DD
S
CC
CC
L
IH
IL
B
B
ON
0 < t < 35 ms
V
2t
CC
(4.75)
V
MIN.
MIN.
1265
MIN.
11.4
840
< t
3.0
2.0
50
VALID
–
0
–
–
–
´ 0.7
0 < t < 35 ms
0 < t
325 Note
OFF
TYP.
(250)
TYP.
54
TYP.
(5.0)
12.0
480
3.3
5.0
510
–
–
–
–
3.0 V (4.75 V)
Time
V
CC
(5.25)
MAX.
MAX.
MAX.
(300)
12.6
370
58
550
V
3.6
5.5
–
–
–
´ 0.3
CC
Notes 1. Signals: CLK,
mArms
Vrms
kHz
Vrms
Unit
Unit
Unit
mA
mA
V
V
V
V
2. The supply voltage for input signals
3. Apply V
4. When the power is off, please keep
DATA (R0-R5, G0-G5, B0-B5)
should be the same as V
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.
whole signals low level or high
impedance.
T
T
Note
V
(V
V
(V
Per lamp (x2)
350 cd/m
a
a
CC
CC
CC
CC
= 25°C
= 0°C
= 3.3 V
= 3.3 V
= 5.0 V)
= 5.0 V)
DD
B within the LCD operation
2
NL6448BC33-31D
Remarks
Remarks
Remarks
Hsync,
CC
Vsync,
.
T
T
T
a
a
a
= 25°C
= 25°C
= 25°C
DE,
5