Electrical Characteristics
Item
Operating Temperature Range
Storage Temperature Range
Supply Voltage
Symbol
Top
Tst
VDD
IDD
VDD‐V0
VIH
VIL
VOH
VOL
Condition
Absolute Max
Absolute Max
Min.
‐20
‐30
4.5
‐
‐
Typ.
‐
‐
5.0
2.6
4.5
‐
‐
‐
‐
Max.
+70
+80
5.5
3.0
‐
VDD
0.3VDD
‐
Unit
⁰C
⁰C
V
mA
V
V
V
V
V
Supply Current
Supply for LCD (contrast)
“H” Level input
“L” Level input
“H” Level output
VDD=5.0V
Ta=25°C
0.7VDD
0
2.4
‐
“L” Level output
0.4
Backlight Supply Voltage
Backlight Supply Current
Backlight Lifetime
Vled
Iled
‐
‐
4.0
168
‐
4.2
210
100,000
4.4
315
‐
V
mA
Hrs.
Vled=4.2V
Iled=40mA
Optical Characteristics
Item
Viewing Angle ‐ Vertical
Viewing Angle ‐ Vertical
Viewing Angle – Horizontal
Viewing Angle ‐ Horizontal
Contrast Ratio
Symbol
AV
AV
AH
AH
Cr
Condition
Cr ≥ 2
Cr ≥ 2
Cr ≥ 2
Cr ≥ 2
Min.
Typ.
20
40
30
30
3
200
200
Max.
‐
‐
‐
‐
Unit
⁰
⁰
⁰
⁰
‐
ms
ms
‐
‐
‐
‐
‐
‐
‐
‐
Response Time (rise)
Response Time (fall)
Tr
Tf
‐
‐
300
300
Controller Information
Built‐in ST7920. Download specification at http://www.newhavendisplay.com/app_notes/ST7920.pdf
[5]
NEWHAVEN [ NEWHAVEN DISPLAY INTERNATIONAL, INC. ]
