Home Products COG LCD WO320240E

Chip on Glass LCD Module 320x240

Model No. WO320240E

►COG LCD Display
►Graphic LCD
►320 x 240 dots
►IC: RA8835
►+3.3V/+5V power supply
►1/240 duty cycle
►Interface : 6800/8080

Description

WO320240E is a monochrome graphic LCD module made of 320x240 dot matrix format. This STN COG module is built-in with RA8835 controller IC; it supports 6800 and 8080 parallel interface, 1/240 driving duty. Furthermore, it is also built-in with negative voltage generator and temperature compensation available as optional.

WO320240E model supports 3.3V and 5V power supply voltage. This module can be operated at temperatures from -20°C to +70°C; its storage temperatures range from -30°C to +80°C. WO320240E is available in FSTN positive LCD and with White LED backlight; please contact us if you need different LCD type and LED combination. Please note WO320240E is the replacement of WO320240D since the original IC has been EOL.

DRAWING

Chip on Glass LCD Module 320x240 - WO320240E

Data source ref: WO320240E-TFH-V#

SPECIFICATIONS

Interface Pin Function

Pin No. Symbol Level Description
1 VSS   Ground
2 VDD   Power supply for Logic
3 VO (Variable) Operation voltage LCD driving
4 A0 H/L H:Data  L:Instruction
5 /WR H 8080 family: Write signal, 6800 family: R/W signal
6 /RD L 8080 family: Read signal, 6800 family: Enable clock
7-14 DB0-DB7 H/L DB0 Data bus line
15 /CS H/L Chip Enable
16 /RES H/L Reset
17 VEE   Positive voltage output
18 SEL1 H/L 8080 OR 6800 Family Interface Select ; H:68xx , L:80xx
19 A   Power supply for B/L+
20 K   Power supply for B/L-

Mechanical Data

Item Standard Value Unit
Number of dots 320x240
Outline dimension 94.7 x 83.3 x 9.4 max mm
View area 81.4 x 61.0 mm
Active area 76.785 x 57.11 mm
Dot size 0.223 x 0.225 mm
Dot pitch 0.238 x 0.24 mm
Duty 1/240
Backlight LED
IC RA8835
Interface 6800/8080 series

Absolute Maximum Ratings

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80
Input Voltage VIN -0.3 VDD+0.3 V
Supply Voltage For Logic VDD-VSS -0.3 7.0 V
Supply Voltage For LCD VDD -V0 0 32 V

Electrical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage For Logic VDD-VSS 3.0 3.3 3.6 V
VDD-VSS 4.7 5.0 5.3 V
Supply Voltage For LCD VOP Ta=-20℃
Ta=25℃
Ta=70℃

22.7

23.0

23.3
V
V
V
Input High Volt. VIH 0.5VDD VDD V
Input Low Volt. VIL VSS 0.2VDD V
Output High Volt. VOH VDD-0.4 V
Output Low Volt. VOL VSS+0.4 V
Supply Current IDD VDD=3.3V 75 107.5 mA
IDD VDD=5.0V 36 68.5 mA

Search Keyword: lcd 320x240, lcd 320 x 240, 320x240 lcd, 320 x 240 lcd
go top
close