RG12864A LCD - 12864A Graphic LCD Module Datasheet - Raystar

12864A Graphic Display LCD Module COB 2.93-inch (NT7107/NT7108 IC)

Model No. RG12864A

The RG12864A is a 128×64 COB graphic LCD module designed for reliable industrial and embedded applications. As part of the 12864A LCD family, it is equipped with NT7107/NT7108 controller ICs and features a 1/64 duty ratio. In addition, the module is built with a PCB that includes screw holes and peripheral circuits, making mounting and integration easier for developers looking into the LCD12864A series.

Engineered for durability, the RG12864A supports an operating temperature range of -20°C to +70°C and storage from -30°C to +80°C. Delivering consistent display quality and robust electrical characteristics, this 12864A LCD module is well-suited for industrial controls, measurement devices, and embedded systems requiring dependable monochrome graphic output. For detailed technical information, please refer to the 12864A LCD datasheet.

If you need technical support or product quotes for the RG12864A or other 128×64 graphic LCD modules, please feel free to contact our sales team!

Data Source Ref:RG12864A-YHY-V

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General Specs
Interface Pin Function
Contour Drawing
Absolute Maximum Ratings
Electrical Characteristics

Item	Dimension	Unit
Structure	COB
Size (Diagonal)	2.93	inch
Dot Matrix / Resolution	128 × 64	dots
Module Dimension	93.0 × 70.0 × 13.6 (MAX)	mm
Viewing Area	72.0 × 40.0	mm
Active Area	66.52 × 33.24	mm
Mounting Hole	88.0 × 65.0	mm
Dot / Pixel Size	0.48 × 0.48	mm
Dot / Pixel Pitch	0.52 × 0.52	mm
IC	NT7107,NT7108
Interface	6800
Power Supply	5V
Duty	1/64
Type	Graphics LCD Display

LCD12864A Signal Descriptions

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 ( - )

12864A LCD Mechanical Dimensions

RG12864A LCD Contour Drawing - 12864A Graphic LCD Module Datasheet - Raystar

Operating & Storage Temperature

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	VEE-0.3	－	VDD+0.3	V

Power Supply & Input/Output Levels

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-VO	Ta=-20℃ Ta=25℃ Ta=70℃	－ 8.6 7.6	－ 8.9 －	10.6 9.2 －	V V V
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