Home Products COG LCD WO2004A

20x4 LCD Module, COG LCD Display 20x4

Model No. WO2004A

►20x4 COG LCD Module
►Character LCD
►5 x 8 dots includes cursor
►Built-in controller SSD1803AM1Z
►3V/5V power supply
►1/33 duty cycle, 1/6 Bias
►Interface : I2C


Winstar Display released a COG Character 20 x 4 standard LCM module which have the outline size of 74.3 x 36.4 mm, VA size of 60.5 x 22.18 mm. We can offer a variety of pin out connections to suit your requirements. The COG LCM technology is very suitable for the applications that demand more compact package displays. If you are interested in these COG LCD Display 20x4, please contact us online.


Winstar 20x4 LCD Module, COG LCD Display 20x4 - WO2004A


Interface Pin Function

Pin No. Symbol Description
1 /RES Controller reset signal, Active Low
2 Vout Positive Voltage output
3~7 V0~V4 Bias voltage levels for LCD driving
8 VDD Power supply for logic
9 VDDREG Enable VDD regulator in 5V I/O Application:
10 VDDIO Power supply for logic
11 VSS Ground
12 SCL Serial clock input
13 SDA Serial input data

Mechanical Data

Item Standard Value Unit
Module Dimension 74.3 × 36.4 mm
Viewing Area 60.5 × 22.18 mm
Dot Pitch 0.50 × 0.59 mm
Dot Size 0.45 × 0.54 mm

Electrical Characteristics

Item Symbol Standard value
Input Voltage VDD 3.0 V
Recommended LCD Driving
Voltage for Normal Temp.
Version module @25°C
Vo-Vss 7.80 V

Search Keyword: 20x4 lcd, 20 x 4 lcd, lcd 20x4, lcd 20 x 4
go top