Home Products Graphic LCD WG12864A

128x64 Monochrome Graphic LCD Display, Monochrome Graphics

Model No. WG12864A

►Monochrome Graphic LCD Display 128x64
►IC: NT7107, NT7108
►+5V power supply
►1/64 duty cycle
►WG12864AB: Negative voltage option for +3.3V
►WG12864A1: double-row interface
►Interface: 6800
►Touch Screen: Option


Winstar WG12864A is a monochrome graphic LCD display 128x64 module. WG12864A model is built-in with NT7108, NT7108 controller or equivalent IC; it supports 6800 8-bit parallel interface. This WG12864A monochrome graphic Display LCD 128x64 module is 5V power supply. There are two derivative versions of WG12864A Monochrome Graphics Display; they are WG12864AB for negative voltage 3.3V power supply and WG12864A1 for double-row pinout interface.

The advantage of WG12864A is having circuit layout on PCB board and with screw holes which make modules can be fixed on customers’ applications easily. The module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.


Monochrome Graphic LCD Display, Monochrome Graphics - Winstar WG12864A
Data source ref:WG12864A-TFH-V#N


Interface Pin Function

Pin No. Symbol Level Description
1 VSS 0V Ground
2 VDD 5.0V Supply voltage for logic
3 Vo (Variable) Operating voltage for LCD
4 D/I H/L H: Data ,  L : Instruction
5 R/W H/L H: Read (MPU←Module) , L: Write (MPU→Module)
6 E H Enable signal
7 DB0 H/L Data bus line
8 DB1 H/L Data bus line
9 DB2 H/L Data bus line
10 DB3 H/L Data bus line
11 DB4 H/L Data bus line
12 DB5 H/L Data bus line
13 DB6 H/L Data bus line
14 DB7 H/L Data bus line
15 CS1 H Select Column 1~ Column 64
16 CS2 H Select Column 65~ Column 128
17 /RES L Reset signal
18 Vout Negative Voltage output
19 A Power Supply for LED backlight ( + )
20 K Power Supply for LED backlight ( - )

Mechanical Data

Item Dimension Unit
Number of dots 128 x 64
Module dimension 93.0 x 70.0 x 13.6(Max) mm
View area 72.0 x 40.0 mm
Active area 66.52 x 33.24 mm
Dot size 0.48 x 0.48 mm
Dot pitch 0.52 x 0.52 mm
Duty 1/64
Backlight Type LED
IC NT7107,NT7108
Interface 6800

Absolute Maximum Ratings

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80
Supply voltage for Logic VDD-VSS -0.3 7.0 V
Driver Supply Voltage VLCD


VDD+0.3 V

Electrical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage For Logic VDD-VSS 4.5 5.0 5.5 V
Supply Voltage For LCD VDD-V0 Ta=-20℃


Input High Volt. VIH 0.7VDD VDD V
Input Low Volt. VIL 0 0.8 V
Output High Volt. VOH 2.4 V
Output Low Volt. VOL 0.4 V
Supply Current IDD VDD=5.0V 29.2 mA

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