DMC-20434 Optrex America Inc, DMC-20434 Datasheet - Page 4

• Manufacturer Part Number: DMC-20434
• Description: LCD MODULE 20X4 CHARACTERS
• Manufacturer: Optrex America Inc
• Series: DMC-20434r

Specifications of DMC-20434

• Display Type: TN - Twisted Nematic
• Display Mode: Reflective
• 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
• Operating Temperature: 0°C ~ 50°C
• Interface: -
• Number Of Digits/alpha: -
• Outline L X W X H: -
• Other names: 73-1086; OP420

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
DMC20434 (AA) No.99-0259
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