ACM2004D SERIES LCD MODULE
4.1 OPTICAL CHARACTERISTICS (Ta=25ºC, Vdd= 5.0V±0.25V, STN LC fluid)
Item
Symbol
Condition
Cr ³ 2.0
Min
-60
-40
-
Typ
-
Max
35
Unit
deg
deg
Viewing angle (horizontal)
Viewing angle (vertical)
Contrast Ratio
q
f
Cr ³ 2.0
-
40
Cr
Tr
Tf
f =0°, q=0°
f =0°, q=0°
f =0°, q=0°
6
-
Response time (rise)
Response time (fall)
-
150
150
250
250
ms
ms
-
5.0 BLOCK DIAGRAM
1. Vss
2. Vdd
3. Vo
U2
U3
4. RS
5. R/W
6. E
SEG1- 40
SEG41- 120
SEG121-200
80
40
80
U1
7. DB0
SEG 1
SEG200
8
COM 1
14. DB7
COM 16 16
LCD 20X4
COM16
+
-
BL+
BL-
LED BACKLIGHT
3
AZ DISPLAYS, INC.
09/17/99