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| Categories | Graphic LCD Module | 
|---|---|
| Brand Name: | HOTHMI | 
| Model Number: | HTM12864-27 | 
| Place of Origin: | dongguan,China | 
| MOQ: | 2 | 
| Payment Terms: | L/C, D/A, T/T, D/P, Western Union, MoneyGram | 
| Supply Ability: | 99999 | 
| Delivery Time: | 25 days | 
| Product Type: | Standard COB LCD Module | 
| Display content: | 128x64 dot | 
| Product Application: | Instrumentation | 
| Viewing Angle: | 6H | 
| Number of PINS: | 20PIN | 
| Special Instructions: | SPI | 
| Driver chip model: | ST7565R | 
| Company Info. | 
| Hotdisplay Technology Co.Ltd | 
| View Contact Details | 
| Product List | 
128X64 Graphic LCD Module | STN | Display With White Backlight | HTM12864-27
Product parameters
Product Application -
Viewing Angle - 6H
Backlight Brightness - White
Connection method PIN number - 20PIN
Interface method - SPI
Working temperature - -20~70℃
Supply voltage - 5.0v
Mechanical Data
| Item | Standard Value | Unit | 
|---|---|---|
| Module Dimension | 93.0x70.0x13.5 | mm | 
| Viewing Area | 65.5x38.0 | mm | 
| Mounting Hole | 60.775x32.935 | mm | 
| Dot Pitch | 0.475x0.515 | mm | 
| Dot Size | 0.49x0.45 | mm | 
| Item | Symbol | Standard Value typ.  | Unit | 
|---|---|---|---|
| Input Voltage | VDD | 5.0 | V | 
Interface Pin Function
| Pin No. | Pin Name | Function | 
| 1 | VSS | Negative power supply,0V | 
| 2 | VDD | Power supply voltage (Positive) | 
| 3 | NC | NC | 
4  | A0  | This is connect to the least significant bit of the normal MPU address bus, and it determines whether the data bits are data or command.  | 
| 5~6 | NC | NC | 
| 7 | SCLK | The serial clock input (SCLK). | 
| 8 | SID | Serial data input(SID) | 
9  | RES  | When /RES is set to “L”, the register settings are initialized (cleared). The reset operation is performed by the /RES signal level  | 
| 10~14 | NC | NC | 
| 15 | /CS | This is the chip select signal | 
| 16~18 | NC | NC | 
| 19 | BLK | Backlight Negative(VSS) | 
| 20 | BLA | Backlight Positive(VDD) | 
Absolute Maximum Ratings
| Items | Symbol | MIN. | MAX. | Unit | Condition | 
| Supply Voltage | VDD | -0.3 | +5.5 | V | VSS = 0V | 
| Input Voltage | VIN | -0.3 | VDD+0.3 | V | VSS = 0V | 
| Operating | TOP | -10 | +60 | ℃ | No Condensation | 
| Storage Temperature | Tst | -20 | +70 | ℃ | No Condensation  | 
Electrical Characteristics
| Items | Symbol | MIN. | TYP. | MAX. | Unit | Condition | 
| Operating Voltage | VDD | 4.5 | 5.0 | 5.5 | V | VDD | 
| Input High Voltage | VIH | 0.8 x VDD | - | VDD | V | /CS,/RES,A0,SCLK, SID | 
| Input Low Voltage | VIL | VSS | - | 0.2 x VDD | V | |
| Output High Voltage | VOH | 0.8 x VDD | - | VDD | V | SCLK, SID  | 
| Output Low Voltage | VOL | VSS | - | 0.2 x VDD | V | |
Operation Current (Without LED)  | Iop | 100 | 200 | μA  | VDD=5.0V | |
| Input Leakage Current | ILI | -1.0 | - | 1.0 | μA | VDD | 
| Output Leakage Current | ILo | -3.0 | - | 3.0 | μA | VDD | 
| Items | Symbol | MIN. | TYP. | MAX. | Unit | Condition | 
| Forword Voltage | Vf BLA | - | 5.0 | - | V | - | 
| Forword Current | If BLA | - | 10 | 15 | mA | - | 




                                 
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