S1D15715 Epson Electronics America, Inc., S1D15715 Datasheet - Page 50

• Manufacturer Part Number: S1D15715
• Description: Liquid Crystal Display =lcd Driver
• Manufacturer: Epson Electronics America, Inc.

S1D15715 Series Technical Manual
<When powering OFF (V
Turn off the reset mode(LCD power (V
• The requirement
• If
When specifying
t
It also depends on model of a given LCD panel, thus actual timing must be determined after experimenting on
your LCD panel.
6
The following data is for your reference alone.
t
panel being equipped with the pin.
[Conditions: V
An example: When V
t
44
H
H
H
When V
Capacity dependency is 1pF. ∆
depends on discharging capability of the drivers. See “Reference data” in the following section.
=22µs×8V+50ns×100pF×8V=216µs
is significantly affected by capacity of V
Reference data
t
L
<
t
H
0
, display failures can result.
COM
is under no-load,
SEG
V
V
V
V
V
V
V
0
1
2
3
4
SS
DD
DD
t
=1.8V, voltage is tripled and capacity of the boosting capacitor=1.0µF]
L
, measures such as extending fall time of power supply (V
t
L
DD
>
=1.8V, V
t
H
DD
must be strictly observed.
-V
t
Reset
H
SS
per voltage is 22µs. It becomes 200µs when V
) is not available with the command>
0
=8.0V and V
t
H
V
V
per voltage is 50ns.
SS
SS
0
-V
Power OFF
SS
t
0
H
) system ). -> Then turn the power (V
Approximately 1V : Lower than V
pin, thus you must verify appropriateness of a selected
t
0
L
1.8V
pin capacity [board capacity] (C
For
EPSON
t
H
, see the “Reference data”.
Since power (V
output cannot be maintained at a fixed
level.
th
DD
on the LCD panel
-V
0
L
=9V.
DD
)=100pF.
SS
) should be considered.
-V
DD
-V
SS
SS
) OFF.
) is turned OFF,
t
H
Rev.1.0
on the