Description
Delving into the realm of screen technology, let’s explore the specifications of the TFT 4-inch (3.97-inch) display. With a vibrant resolution of 480×800 pixels and employing a TFT LCD design, this screen offers a visual feast in full color.
- Behold the SF-TC397B-8774C-T, a compact marvel boasting a 3.97-inch (or colloquially, 4.0-inch) diagonal expanse. Sporting a WVGA resolution of 480×800, it stands as a testament to cutting-edge display engineering. This versatile unit can be optionally configured with PCAP functionality, under the nomenclature SF-TC397B-8774C-CT.
- Flexible in its interfacing capabilities, this module supports both SPI and RGB 24 bits Interfaces. Dimensionally, the SF-TC397B-8774C-T measures 57.14 by 96.85 millimeters, with an active display area spanning 51.84 by 86.40 millimeters.
- Equipped with the NT35510 controller, the SF-TC397B-8774C-T boasts a logic supply voltage range of 2.6V to 3.3V, ensuring seamless compatibility with a variety of systems and setups.
Looking to enhance your visual experience further? Consider the SF-TC397H-8774A-T, tailored for portrait mode applications and flaunting a luminance of 400 cd/m². For customized configurations or technical inquiries, don’t hesitate to reach out to our dedicated support team. Elevate your luminance to dazzling heights, with surface brightness scaling up to an impressive 1000 cd/m² (nits).
Product Features
| Product: | 3.97 Inch (4″) TFT Screen |
| Driver IC: | NT35510 Or Equivalent |
| Touch Screen: | Resistive Touchscreen |
| Viewing Direction: | IPS All Viewing Angles |
| Connection: | Plugging (customizable) |
| Surface Luminance: | 400 Cd/m2(nits) |
| LED Lifetime: | 40,000 Hours |
| Resolution: | 480×800 Dots |
| Outline Dim.: | 57.14×96.85×2.2 Mm |
| Cover Glass Dimension: | Customizable |
| Interface: | SPI + RGB 24 Bits |
| Pin Number: | 51 Pins |
| Backlight Type: | White LED |
| Compliance: | REACH & RoHS Compliant |
4″ IPS TFT LCD 480×800 Dots SPI&RGB Interface Product Drawing
Interface Pin Definition
| NO. | PIN NAME | I/O | Description |
| 1 | LEDK | O | LED Cathode |
| 2 | LEDA | O | LED Anode |
| 3 | YU | I | Touch Panel input signal |
| 4 | XL | I | Touch Panel input signal |
| 5 | YD | I | Touch Panel input signal |
| 6 | XR | I | Touch Panel input signal |
| 7 | GND | I | Ground |
| 8 | VCI | I | Power Supply 2.8V Voltage |
| 9 | NC | – | Set Open |
| 10 | IOVCC | I | Power Supply 1.8V Voltage |
| 11 | TE | I | Tearing effect output |
| 12 | SDO | – | SPI Interface Input/output Pin |
| 13 | SDI | I | SPI Interface Input/output Pin |
| 14 | WR/SCL | – | SPI Clock Signal |
| 15 | CSX | I | Input pin for chip selection signal |
| 16 | RESX | I | LCM Reset input signal |
| 17-40 | DB23-DB0 | I/O | Display Data I/O |
| 41 | ENABLE | I | Data enable signal in RGB I/F mode 1. |
| 42 | DOTCLK | I | Clock Signal to Sample each date |
| 43 | HSYNC | I | Horizontal Synchronizing Signal |
| 44 | VSYNC | I | Vertical Synchronizing Signal |
| 45 | LEDPWM | I | This pin is connect to the external LED driver. |
| 46 | LWDON | I | Used for turning On/Off external LED backlight control. |
| 47 | RS | I | Register select signal |
| 48 | RD | I | Read strobe signal input pin |
| 49 | IM0 | I | Select the interface mode |
| 50 | IM1 | I | Select the interface mode |
| 51 | GND | I | Ground |
DC Characteristics (VDD=2.8V,Ta=25°C)
| Item | Symbol | Min | Type | Max | Unit | Test condition |
| Operating voltage | VDD | 2.6 | 2.8 | 3.3 | V | – |
| Supply current | IDD | – | – | 5 | mA | VDD=2.8V,Ta=25°C |
| Input voltage | VIH | 0.8VDD | – | VDD | V | – |
| VIL | 0 | – | 0.2VDD | V | ||
| Input leakage current | IIL | -1.0 | – | 1.0 | mA | VIN=VDD or VSS |
Reliability Test
| Item | Condition | Time (hrs) | Assessment |
| High temp. Storage | 80°C | 120 |
No abnormalities in functions and appearance |
| High temp. Operating | 70°C | 120 | |
| Low temp. Storage | -30°C | 120 | |
| Low temp. Operating | -20°C | 120 | |
| Humidity | 60°C/ 90%RH | 120 | |
| Thermal Shock Temp. Cycle | -20°C ¬ 25°C ®70°C
(0.5 hour ¬ 5 min ® 0.5 hour) |
10cycles | |
4″ IPS TFT LCD 480×800 Dots SPI&RGB Interface Product Image
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