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
DESCRIPTION
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.
DRAWING
SPECIFICATIONS
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 typ. |
Unit |
|---|---|---|---|
| Input Voltage | VDD | 3.0 | V |
| Recommended LCD Driving Voltage for Normal Temp. Version module @25°C |
Vo-Vss | 7.80 | V |
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