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142 EPSON S1C88650 TECHNICAL MANUAL
8 ELECTRICAL CHARACTERISTICS
8.4 Analog Circuit Characteristics
■ LCD drive circuit
The typical values in the following LCD driver characteristics varies depending on the panel load (panel
size, number of display pixels and display contents), so evaluate them by connecting to the actually used
LCD panel. Refer to Section 8.8, "Characteristics Curves" for the load characteristic.
LCD drive voltage V
C1
V
C2
V
C3
V
C4
V
C5
0.18•V
C5
0.39•V
C5
0.59•V
C5
0.79•V
C5
Typ×0.94
4.20
4.30
4.40
4.50
4.60
4.70
4.80
4.90
5.00
5.10
5.20
5.30
5.40
5.50
5.60
5.70
0.22•V
C5
0.43•V
C5
0.63•V
C5
0.83•V
C5
Typ×1.06
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
*1
*2
*3
*4
*5
LCX = 0H
LCX = 1H
LCX = 2H
LCX = 3H
LCX = 4H
LCX = 5H
LCX = 6H
LCX = 7H
LCX = 8H
LCX = 9H
LCX = AH
LCX = BH
LCX = CH
LCX = DH
LCX = EH
LCX = FH
Item
Symbol
Min. Typ. Max. UnitCondition Note
*1
*2
*3
*4
*5
Unless otherwise specified: V
DD
= 1.8 to 3.6 V, V
SS
= 0 V, Ta = 25°C, C
1
–C
11
= 0.1 µF, When a checker pattern is displayed, No panel load
Connects 1 MΩ load resistor between V
SS
and V
C1
.
Connects 1 MΩ load resistor between V
SS
and V
C2
.
Connects 1 MΩ load resistor between V
SS
and V
C3
.
Connects 1 MΩ load resistor between V
SS
and V
C4
.
Connects 1 MΩ load resistor between V
SS
and V
C5
.
■ SVD circuit
Item
Symbol
Min. Typ. Max. UnitCondition
SVD voltage
SVD circuit response time
V
SVD
t
SVD
Typ×0.91
–
–
–
1.8
1.85
1.9
1.95
2.0
2.05
2.1
2.2
2.3
2.4
2.5
2.6
2.7
Typ×1.09
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
µs
SVDS0–3 = "0"
SVDS0–3 = "1"
SVDS0–3 = "2"
SVDS0–3 = "3"
SVDS0–3 = "4"
SVDS0–3 = "5"
SVDS0–3 = "6"
SVDS0–3 = "7"
SVDS0–3 = "8"
SVDS0–3 = "9"
SVDS0–3 = "10"
SVDS0–3 = "11"
SVDS0–3 = "12"
SVDS0–3 = "13"
SVDS0–3 = "14"
SVDS0–3 = "15"
Note
500
Unless otherwise specified: V
DD
= 1.8 to 3.6 V, V
SS
= 0 V, Ta = 25°C