ELECTRICAL CHARACTERISTICS
Absolue Maximum Ratings
See the device specifications for each LCD unit
model.
Electrical Characteristics
See the device specificiations for each LCD unit
model. Some of the currently available specifica-
tions do not describe the test conditions for the
high-level and low-level output voltages. These
conditions are as follows:
Timing Characteristics
3$5$0(7(5
6<0%2/
7(67 &21',7,216
0,1
0$;
81,7
2XWSXW
9ROWDJH
+
9
2+
,
2+
P$
9
/
9
2/
,
2/
P$
9
Table 8.
t
AS
PW
EH
t
DSW
t
cycE
t
AH
t
AH
V
IH
V
IL
DB
0
- DB
7
t
Ef
t
H
t
Er
V
IH
V
IL
E
V
IL
R/W
V
IH
V
IL
RS
VALID DATA
LCD27-24
Figure 5. Write Operation Timing Diagram
(For data sent from the external microprocessor to the LCD unit)
3$5$0(7(5
6<0%2/
9$/8(
81,7
0,1
0$;
(QDEOH &\FOH 7LPH
W
&<&
(
QV
(QDEOH 3XOVH :LGWK +LJK /HYHO
3:
(+
QV
(QDEOH 5LVH)DOO 7LPH
W
(U
W
(I
QV
6HWXS 7LPH
56 5:(
W
$6
QV
$ROG 7LPH
W
$+
QV
'DWD 6HWXS 7LPH
W
'6:
QV
'DWD +ROG 7LPH
W
+
QV
Table 9. Write Operation Timing Characteristics
(V
DD
= 5.0
±
5%, V
SS
= 0 V, T
A
= 0 ~ 50
°
C)
Dot-Matrix LCD Units
Display Unit User’s Manual
19
