About this item Graphic FSTN COG LCD SFBM12864HX792
The graphic dot matrix FSTN COG LCD 128x64 dot VDD 3.3V monochrome display module is a display solution designed specifically for applications that require high clarity and reliability. The following is a detailed introduction of the product:
- Resolution: 128x64 pixels, suitable for displaying text and basic graphics.
- Display mode: FSTN (Film Super Twisted Nematic), providing high contrast and wide viewing angle display effects.
- FSTN technology: Compared to traditional STN display technology, FSTN improves display quality by adding compensation films, providing clearer black and white display.
- COG (Chip On Glass) technology: The driver IC is directly bonded to the glass, reducing the thickness and weight of the module while improving reliability.
- Working voltage: 3.3V, suitable for battery powered portable devices with low power consumption characteristics.
- Application scenarios:Suitable for devices such as instruments, medical equipment, industrial control panels, household appliances, etc. that require clear display of information.
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Environmental adaptability:Working temperature range: usually between -30 ℃ and+80 ℃, able to adapt to various environmental conditions.
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Multiple interface options may be provided, such as SPI and MCU, to facilitate connection with microcontrollers or other processors.
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Backlight options:Backlight color: Provides multiple backlight color options such as white, blue, yellow, and red to meet different design and usage needs.
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Customized services:According to customer needs, customized services may be provided, including size, color, character shape, etc.
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Environmental standards:Compliant with RoHS and REACH standards, ensuring the environmental protection and safety of the product.
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Multiple interface options may be provided, such as SPI and MCU, to facilitate connection with microcontrollers or other processors.
This FSTN COG LCD display module is an ideal choice for various application scenarios due to its high definition, low power consumption, and high reliability.
Mechanical Specifications
| ITEM | SPECIFICATIONS |
| MODULE SIZE | 80.0(W) x 54.0 (H) x 9.7(D) | mm |
| VIEWING AREA | 70.7(W) x 38.8(H) | mm |
| ACTIVE AREA | 66.52 (W) x33.24(H) | mm |
| DOT SIZE | 0.48(W) x0.48(H) | mm |
| DOT PITCH | 0.52(W) x0.52(H) | mm |
| BACKLIGHT | WHITE | |
| ASSY.TYPE | COG | --- |
Outline Drawing

Interface Pin Definition
| PIN NO. | FUNCTION DESCRIPTIONS | SYMBOL |
| 1 | Chip select pin. “L” active | /CS1 |
| 2 | Reset input pin. “L” active | /RES |
| 3 | Data or Command select. ”L” is Command, ”H” is DATA | A0 |
| 4 | Write signal input | R/W |
| 5 | Read signal input | E/RD |
| 6--13 | 8-bit bi-directional data bus. | DB0—DB7 |
| 14 | Power (+3.3V) | VDD |
| 15 | Ground | VSS |
| 16--20 | -------- | NC |
| 21 | DC-DC | V0 |
| 22 | DC-DC | XV0 |
| 23--24 | -------- | NC |
| 25 | DC-DC | VG |
| 26--30 | -------- | NC |
| 31 | Select the MPU system interface mode.6800 is “H”,8080 is “L” | C86 |
| 32 | Select the serial or parallel,serial is “L”,parallel is “H” | P/S |
| 33--34 | -------- | NC |
Electronical Characteristics
| Characteristic | Symbol | Standard Value | Unit |
| MIN | TYP | MAX |
| Power Supply Voltage(1) | VDD | 3.1 | 3.3 | 3.5 | V |
| Power Supply Voltage(2) | LCD | 9.6 | 9.8 | 10.0 | V |
| Display pattern Current | IDD | 0.58 | | 1.4 | mA |
| Input leakage Current | IIL | | | 1.5 | uA |
| Input logic LOW | VIL | | | 0.2VDD | |
| Input logic HIGH | VIH | 0.8VDD | | | |
| output logic LOW | VOL | | | 0.2VDD | |
| output logic HIGH | VOH | 0.8VDD | | | |
| Operating Temperature | TOPR | -30 | - | +80 | °0C |
| Storage Temperature | TSTG | -35 | - | +85 | °0C |
Optical Characteristics
| Item | Symbol | Temp(℃) | Rating | Unit |
| Min | Typ | Max |
| Response Time | Rise Time | Tr | 25 | | 200 | | ms |
| Fall Time | Tf | 25 | | 200 | |
| Frame Frequency | FR | 25 | | 64 | | Hz |
| Viewing angle Cr≧2 | θ=90 | θ1 | 25 | | 15 | | Deg |
| θ=270 | θ2 | | 35 | |
| θ=0 | θ3 | | 30 | |
| θ=180 | θ4 | | 30 | |
| Viewing Direction | 6 O'clock |
| Contrast Ratio | | Cr | 25 | 2 | -- | | |
| Current Consumption | | Is | 25 | | 6 | | uA |
| Capacitance | | C | 25 | | 5 | | nF |
Facilities and Certification

