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For low order bi-directional three-state data bus lines. These
four are not used during 4-bit operation.
Four high order bi-directional three-state data bus lines.
Backlight Anode (15mA @ 3V)
Backlight Cathode (Ground)
Recommended LCD connector:
2.54mm pitch pins
Backlight connector:
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Mates with:
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[4]
Electrical Characteristics
Item
Operating Temperature Range
Storage Temperature Range
Supply Voltage
Supply Current
Supply for LCD (contrast)
“H” Level input
“L” Level input
“H” Level output
“L” Level output
Backlight Supply Current
Backlight Supply Voltage
Symbol
T
OP
T
ST
V
DD
I
DD
V
LCD
V
IH
V
IL
V
OH
V
OL
I
LED
V
LED
Condition
Absolute Max
Absolute Max
-
V
DD
= 3.3V
T
OP
= 25°C
-
-
-
-
-
I
LED
= 15mA
Min.
-20
-30
3.1
0.5
3.1
0.7 * V
DD
V
SS
0.75 * V
DD
V
SS
-
2.8
Typ.
-
-
3.3
1.5
3.3
-
-
-
-
15
3.0
Max.
+70
+80
3.5
3.0
3.5
V
DD
0.6
V
DD
0.2 * V
DD
20
3.3
Unit
⁰C
⁰C
V
mA
V
V
V
V
V
mA
V
*The LED of the backlight is driven by current drain; drive voltage is for reference only. Drive voltage must be selected to ensure backlight current drain is below MAX
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