DMC-20434N-B Optrex America Inc, DMC-20434N-B Datasheet - Page 4
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DMC-20434N-B
Manufacturer Part Number
DMC-20434N-B
Description
LCD 20X4 SUPERTWIST HI CONTRAST
Manufacturer
Optrex America Inc
Series
DMC-20434r
Specifications of DMC-20434N-B
Display Type
STN - Super-Twisted Nematic
Display Mode
Reflective
Number Of Digits/alpha
80
Outline L X W X H
98.50mm x 60.00mm x 11.00mm
Viewing Area
76.00mm L x 25.20mm W
Backlight
Without Backlight
Display Format
20 x 4
Character Size
4.75mm H x 2.95mm W
Character Format
5 x 8 Dots
Voltage - Supply
5.0V
Dot Size
0.55mm W x 0.55mm H
Interface
*
Operating Temperature
0°C ~ 50°C
Other names
73-1092
DMC20434NB
OP420NB
DMC20434NB
OP420NB
Enable Cycle Time
Enable Pulse Width
Enable Rise/Fall Time
Address Setup Time
Address Hold Time
Write Data Setup Time
Write Data Hold Time
Read Data Delay Time
Read Data Hold Time
2.3.AC Characteristics
DMC20434N-B (AZ) No.2000-0139
Parameter
DB0 ~ DB7
DB0 ~ DB7
R/W
R/W
RS
RS
E
E
V
V
V
V
V
V
Fig.1 Write Operation Timing
Fig.2 Read Operation Timing
IH
IH
IH
IL
IL
IL
t
t
AS
AS
V
V
t
t
E
E
IL
IL
r
r
Symbol
t
PW
E
t
t
t
t
t
t
t
DSW
DHW
CYC
r,
DDR
DHR
AS
AH
V
V
t
t
EH
DDR
IH
IH
E
f
PW
PW
V
V
V
V
EH
EH
OH
IH
OL
IL
Conditions
t
OPTREX
DSW
Fig.1, 2
Fig.1, 2
Fig.1, 2
Fig.1, 2
Fig.1, 2
Fig.1
Fig.1
Fig.2
Fig.2
V
V
Valid Data
Valid Data
IH
IH
OPTREX CORPORATION
t
t
CYC
CYC
V
V
t
t
E
E
IL
t
IL
t
t
AH
f
AH
f
t
DHW
V
V
DHR
V
V
V
V
IH
IH
IL
IL
IH
IL
V
V
V
V
OH
OL
IH
IL
Min.
500
230
-
40
10
80
10
-
5
V
V
IL
IL
Max.
160
-
-
20
-
-
-
-
-
V
CC
=5.0V±10%
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Units
ns
ns
ns
ns
ns
ns
ns
ns
ns