121LHS15 Renesas Electronics America, 121LHS15 Datasheet - Page 5

• Manufacturer Part Number: 121LHS15
• Manufacturer: Renesas Electronics America

Specifications of 121LHS15

• Lead Free Status / Rohs Status: Supplier Unconfirmed

(2) Backlight
SUPPLY VOLTAGE SEQUENCE
Lamp current
Lamp voltage
Lamp turn-on voltage
Note 2
Oscillator frequency
Signals
Signals: CLK, Hsync, Vsync, DE, R0 R5, G0 G5, B0 B5
Notes 1. In an atmosphere of below 10 C, keep the lamp current more than 3.0 mA rms in order to prevent the
V
CC
Parameter
3.0 (4.75 V)
2. The phase of the supply voltage for lamps must stay the same.
3. Recommended value of Ft.
V
CC
- ON
lamp from blinking.
If Ft is out of the recommended value, interference between the Ft frequency and Hsync frequency
may cause beat on the display.
Ft is within the specification.
Ft = 1/4th
and
0<t<35 ms
Symbol
(2n-1)
V
V
Ft
I
L
L
S
VALID
0<t<35 ms
th:
n:
2.0 Note 1
1200
Min.
960
58
Hsync period
a natural number (1, 2, 3 )
Data Sheet EN0510EJ1V1DS00
V
CC
3.0 (4.75 V)
- OFF
Time
Typ.
600
5.0
65
Notes: 1. The supply voltage for input signals
Max.
5.5
69
2. Turn on the backlight within the
3. When the power is off, please keep
4. The wrong power sequence may
5. The signal should not be down dur-
should be the same as V
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.
whole signals (Hsync, Vsync, CLK,
DE, R0–R5, G0–G5, B0–B5) at a
low level or high impedance.
damage the module.
ing operation. Even if a signal could
recover, the LCD module cannot be
operated correctly and the display
may be nonuniform.
signal is down, V
turned off, and then turned on with
the signal as in the sequence
above.
mA rms
V rms
V rms
Unit
kHz
NL8060BC31-17
Ta = 25 C
Remarks
at a lamp
I
Ta = 0 C
CC
L
Note 3
= 5 mA
In case the
CC
should be
.
Ta = 25 C
5