Datasheet

Section 15 Electrical Characteristics
Rev. 6.00 Aug 04, 2006 page 495 of 680
REJ09B0145-0600
15.4.5 LCD Characteristics
Table 15.15 shows the LCD characteristics.
Table 15.15 LCD Characteristics
V
CC
= 1.8 V to 5.5 V, AV
CC
= 1.8 V to 5.5 V, V
SS
= AV
SS
= 0.0 V, Ta = –40°C to +85°C
(including subactive mode) unless otherwise indicated.
Applicable
Values
Test
Item Symbol Pins Min Typ Max Unit Conditions Notes
Segment driver
drop voltage
V
DS
SEG
1
to
SEG
40
——0.6V I
D
= 2 µA
V
1
= 2.7 V to 5.5 V
*
1
Common driver
drop voltage
V
DC
COM
1
to
COM
4
——0.3V I
D
= 2 µA
V
1
= 2.7 V to 5.5 V
*
1
LCD power
supply split-
resistance
R
LCD
0.5 3.0 9.0 MΩ Between V
1
and V
SS
Liquid crystal
display voltage
V
LCD
V
1
2.2 — 5.5 V
*
2
Notes: 1. The voltage drop from power supply pins V
1
, V
2
, V
3
, and V
SS
to each segment pin or
common pin.
2. When the liquid crystal display voltage is supplied from an external power source,
ensure that the following relationship is maintained: V
1
≥ V
2
≥ V
3
≥ V
SS
.