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參數(shù)資料
| 型號(hào)： | RCM2228R |
| 英文描述： | LCD Displays |
| 中文描述： | LCD顯示器 |
| 文件頁(yè)數(shù)： | 3/7頁(yè) |
| 文件大?。?/td> | 80K |
| 代理商： | RCM2228R |
RCM2228R-A / B
Liquid Crystal Displays
z
Electrical characteristics
(V
DD
=5.0V, Ta=25
°
C)
3/7
Parameter
Symbol
V
DD
V
LCD
V
IH
V
IL
fosc
Min.
4.75
3.0
0.7V
DD
V
SS
0.3
0.75
V
DD
Typ.
5.0
0.5
Max.
5.25
5.0
V
DD
0.6
0.2V
DD
1.0
1100
Unit
V
V
V
V
V
V
mA
Conditions
V
DD
=
5.0V, fosc=270kHz check pattem
RS, R / W, CS
V
SS
kHz
540
350
Logic power voltage
LCD driving voltage
"H" input voltage
"L" input voltage
"H" output voltage
"L" output voltage
Clock frequency
Current consumption
IOH
=
0.1mA
IOL
=
0.1mA
V
OH
V
OL
I
DD
z
Optical characteristics
(Ta=25
°
C)
When viewing from below
Parameter
Symbol
t
r
t
d
K
θ
1
θ
2
φ
Min.
40
±
30
Typ.
100
150
3.0
Max.
250
250
10
Unit
ms
ms
deg
deg
deg
Conditions
φ=
0
°
,
θ=
10
°
K 1.4,
φ=
0
°
K 1.4,
θ=
10
°
φ=
0
°
,
θ=
10
°
φ=
0
°
,
θ=
10
°
Response time
Response time
Contrast ratio
Viewing angle
9
1
1
t
r
t
d
100
0
B
1
B
2
K=B
2
/ B
1
1.4
θ
1
θ
2
Viewing direction
12 o'clock
Y (
φ=
180
°
)
Viewing direction 6 o'clock
X
X'
θ
2
θ
2'
θ
1
θ
1'
Y' (
φ
=180
°
)
Z (
φ
=0
°
)
Fig.2
Fig.4
Fig.3
Fig.5
Selected condition
Rise time
Fall time
Non-selected
Selected
B
Driving voltage
Viewing angle
C
(1) Definition
θ
and
φ
(3) Definition of contrast ratio "K"
(2) Definition of viewing angles
θ
1 and
θ
2
(4) Definition of optical response
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