VL-PS-PDA320240D-02 REV. A
(PDA320240D-02)
JUN/2005
PAGE 9 OF 16
4.2
Typical Electrical Characteristics
At Ta = 25
°C,
VDD = 3.0V±5%, VSS = 0V. Ta=25°C
Table 5
Parameter
Supply voltage (Logic)
Supply voltage (LCD)
(Build-in)
Input signal voltage
Symbol
VDD-VSS
VLCD
VIH
VIL
Conditions
VDD=3.0V,
Ta=25°C, Note 1
“High” level,
Note 2
“Low” level,
Note 2
Character mode,
VDD = 3.0V.
Ta=25°C, Note (1)
Checker board mode,
VDD = 3.0V.
Ta=25°C, Note (1)
Forward current
=20mA
Number of LED
chips=1x4=4
Min.
2.85
16.3
0.8 VDD
-
-
-
3.0
70
Typ.
3.0
16.5
-
-
20
30
3.2
100
Max.
3.15
16.7
-
0.2 VDD
30
45
3.4
-
Unit
V
V
V
V
mA
Supply Current
(Logic & LCD)
IDD
mA
V
cd/m
2
Supply voltage of
White LED05
backlight
Luminance (on the
backlight surface)
VLED
Note 1: There is tolerance in optimum LCD driving voltage during production and it will be
within the specified range.
Note 2: Apply to pins DB0~DB3 (or D0~D3), FLM (or EIO2), CL1 (or LP), CL2 (or XCK), DISPOFF
M (or FR), and D-OFF (or DISPOFF ).
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VARITRONIX [ VARITRONIX INTERNATIONAL LIMITED ]
