Shenzhen Saef Technology Ltd.
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3.5" 320x480 TFT LCD 12 O'clock
Model No. SF-TC350H-8677A1-T
SF-TC350H-8677A1-T is a TFT-LCD module. It is composed of a TFT-LCD panel, driver IC, FPC,a back light unit and Resistive touchscreen. The 3.5” display area contains 320X(RGB)X480 pixels and can display up to 262K colors.This product accords with RoHS environmental criterion.
SF-TC350H-8677A1-T is a 3.5-inch diagonal TN transmissive type TFT LCD display module. The dimension size of this module is 54.48x84.71x3.25 mm, size of active area is 49.66x74.29 mm. This TFT display module uses ILI9488 driver IC which supports MCU+RGB interface. This 320x480 TFT LCD module has brightness 300 cd/m2 with contrast ratio (typical value) 500:1. The module works within the temperature -20 to +70℃, storage temperature ranges from -30 to +80℃.
Resistive Touchsreen 3.5" TFT LCD product Drawing
PIN Description
| NO. | PIN NAME | I/O | Description |
| 1 | GND | I | Ground |
| 2 | LEDA | O | LED Anode |
| 3 | LEDK | O | LED Cathode |
| 4 | GND | I | Ground |
| 5 | VCC | I | Power Supply 2.8V Voltage |
| 6 | VCC | I | Power Supply 2.8V Voltage |
| 7 | GND | I | Ground |
| 8 | RESET | I | LCM Reset input signal |
| 9 | VSYNC | I | Frame Vertical Synchronizing Signal |
| 10 | HSYNC | I | Line Horizontal Synchronizing Signal |
| 11 | DOTCLK | I | Dot Clock Signal for RGB Interface Operation |
| 12 | ENABLE | I | Data Enable Signal for RGB Interface Operation |
| 13 | GND | I | Ground |
| 14 | IM0 | I | Select Interface mode signal. |
| 15 | IM2 | I | Select Interface mode signal. |
| 16-31 | DB15-DB0 | I/O | Display Data I/O |
| 32 | GND | I | Ground |
| 33 | SDA | I | Serial input signal |
| 34 | WRX-SCL | I | Read strobe signal input pin |
| 35 | CSX | I | Input pin for chip selection signal |
| 36 | GND | I | Ground |
| 37 | XR | O | Touch Panel Pin |
| 38 | YD | O | Touch Panel Pin |
| 39 | XL | O | Touch Panel Pin |
| 40 | YU | O | Touch Panel Pin |
| 41 | DCX | I | Register selection signal |
| 42 | IM1 | I | Select Interface mode signal. |
| 43 | RDX | I | Read signal |
| 44 | GND | I | Ground |
| 45 | TE | I | Serve as a TE (Tearing Effect) output signal |
Absolute Maximum Ratings
| Item | Symbol | Value | Unit |
| Power supply voltage for logic | VDD | 1.6~3.3 | V |
| Input voltage | Vin | VDD+0.3 | V |
| Operating temperature | Topr | -20 to 70 | °C |
| Storage temperature | Tstg | -30 to 80 | °C |
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 |
Backlight Electrical-optical Characteristics
| Item | Symbol | MIN | TYP | MAX | UNIT | Test Condition | Note |
| Supply Voltage | Vf | - | 19.2 | - | V | If=20 mA | - |
| Supply Current | If | - | 20 | - | mA | - | - |
| Reverse Voltage | Vr | - | - | 5 | V | - | |
| Power dissipation | Pd | - | - | - | mW | - | |
| Luminous Intensity for LCM |
- | - | 300 | - | Cd/m2 | If=20mA | - |
| Uniformity for LCM | - | 80 | - | - | ％ | If=20 mA | - |
| Backlight Color | White | ||||||
Touch screen panel specifications
| Item | Symbol | Min. | Type. | Max. | unit | Remark |
| TransParency | - | - | 82 | - | % | JIS K-7105 |
| Haze | - | - | 1 | - | % | JIS K-7105 |
| Hardness Of Surface | - | - | 3 | - | H | 150gf 45° |
| FPC Peeling Strength | - | 5 | - | N | Upward 90° | |
| FPC Bending | - | - | 3 | - | cycle | R=1.0, 90° |
| Input Force | - | - | 50 | gf | - | |
| Rated Voltage | V touch | 7 | V | DC | ||
| X-axis Resistance | Rx | 150 | 500 | FPC PIN | ||
| X-axis Resistance | Ry | 300 | 900 | |||
| Linearity | - | - | ±1.5 | ±2.0 | % | - |
| Chattering | - | - | - | 15 | ms | - |
| Insulation Resistance | Ri | 10 | - | - | MΩ | - |
| Notes Life | - | 100,000 | - | - | Times | - |
| Input Life | - | 1,000,000 | - | - | Times | - |
Optical Characteristics
| No. | ITEM | Symbol | Conditions | Specification | Unit | Note | |||
| Min | Typ | Max | |||||||
| 1 | Response Time | Tr+Tf | 25℃ | - | 12 | 24 | Ms | (1)(2) | |
| 2 | Transmittance(Without Polarizer) | T(%) | - | - | 14.74 | - | - | - | |
| 3 | Contrast Rate | Cr | θ=0, Normal viewing angle | 400 | 500 | - | - | (1)(3) | |
| 4 | Viewing Angle
| Hor. | θR | CR>10 | - | 70 | - | Deg | - |
| θL | - | 70 | - | ||||||
| Ver. | Θ+ | - | 70 | - | |||||
| Θ- | - | 60 | - | ||||||
| 5 | Chromaticity | White | X | C-light | 0.283 | 0.303 | 0.323 | - | - |
| Y | 0.305 | 0.325 | 0.345 | ||||||
| Red | X | 0.606 | 0.626 | 0.646 | |||||
| Y | 0.314 | 0.334 | 0.354 | ||||||
| Green | X | 0.257 | 0.277 | 0.297 | |||||
| Y | 0.529 | 0.549 | 0.569 | ||||||
| Blue | X | 0.122 | 0.142 | 0.162 | |||||
| Y | 0.102 | 0.122 | 0.142 | ||||||
Resistive Touchsreen 3.5" TFT LCD Product Image
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