Engineering and procurement resource
AT056TN53 V.1 Replacement and Compatibility Guide
This guide explains how to screen an alternative for Innolux AT056TN53 V.1. Any candidate, including PC056TN53 V.1, requires documented electrical, optical and mechanical verification.
Reference specifications
| Reference model | Innolux AT056TN53 V.1 |
|---|---|
| Panel size | 5.6 inch |
| Resolution | 640 × 480 VGA |
| Outline | 126.5 × 100 × 5.7 mm typical |
| Interface | 40-pin 0.5 mm single-channel 6-bit parallel RGB |
| Panel supply | 3.3 V typical |
| Brightness | 350 cd/m² typical |
| Operating range | -20°C to 70°C listed |
| Backlight | WLED with integrated driver |
Use these values for initial screening. Confirm the latest datasheet, drawing and supply status for the exact suffix before approval.
Required comparison fields
- Use the complete AT056TN53 V.1 revision from the label.
- Compare active area, outline, depth, FPC position and orientation.
- Compare the full 40-pin assignment, RGB timing, voltage and power sequence.
- Check backlight-driver input, luminance, viewing direction and temperature.
- Review glass source, reliability evidence and change-control policy for assembled alternatives.
Candidate-model policy
This page does not label PC056TN53 V.1 or another model as a guaranteed substitute. Cost savings should be considered only after engineering validation and sample testing.
Procurement information required
Provide label photos, original documentation, host and cable information, quantity, destination, application, delivery schedule and environmental requirements.
Frequently asked questions
Is PC056TN53 V.1 a guaranteed drop-in replacement?
No. It is a candidate that requires drawing, pinout, timing, voltage, optical and reliability comparison.
Can another 640 × 480 panel be used?
Possibly, but resolution alone does not confirm interface, mechanics, voltage, timing, brightness or backlight compatibility.
Why does the V.1 revision matter?
Revision suffixes can identify electrical, mechanical or optical differences that affect compatibility.
What is the safest approval process?
Complete datasheet screening, inspect samples and validate them in the actual controller, cable and enclosure.