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GDM2004D-FL-YBW
VER 1.0
3/9
2003/12/09
Optical characteristics
STN type display module (Ta=25℃, VDD=5.0V)
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
θ
-60
-
35
Viewing angle
Φ
Cr≥2
-40
-
40
deg
Contrast ratio
Cr
-
15
-
-
Response time (rise)
Tr
-
-
150
250
Response time (fall)
Tr
-
-
150
250
ms
Electrical characteristics
LED ratings
Item
Symbol
Min
Typ.
Max
Unit
Forward Voltage
VF
3.8
4.0
4.4
V
Forward current
IF
240
mA
Power
P
1.01
W
Peak wave length
λp
568
nm
Luminance
Lv
185
Cd/m2
Operating temperature range
VOP
-20
-
+70
Storage temperature range
VST
-25
-
+80
℃
DC characteristics
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Supply voltage for LCD
VDD-V0
Ta =25℃
-
4.6
-
Input voltage
VDD
4.7
-
5.5
Backlight supply voltage
VF
-
4.1
4.3
V
Supply current
IDD
Ta=25℃, VDD=5.0V
-
1.5
3
Backlight supply current
IF
VDD=5.0V R=6.8
150
mA
Input leakage current
ILKG
-
-
1.0
uA
“H” level input voltage
VIH
2.2
-
VDD
“L” level input voltage
VIL
Twice initial value or less
0
-
0.6
“H” level output voltage
VOH
LOH=-0.25mA
2.4
-
-
“L” level output voltage
VOL
LOH=1.6mA
-
-
0.4
V
Read cycle (Ta=25℃, VDD=5.0V)
Parameter
Symbol
Test pin
Min.
Typ.
Max.
Unit
Enable cycle time
tc
500
-
-
Enable pulse width
tw
300
-
-
Enable rise/fall time
tr, tf
E
-
-
25
RS; R/W setup time
tsu
100
-
-
RS; R/W address hold time
th
RS; R/W
RS; R/W
10
-
-
Read data output delay
td
60
-
90
Read data hold time
tdh
DB0~DB7
20
-
-
ns
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