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| PartNumber | W83977AG | W83977AG-A | W83977AG-A. |
| Description | IC I/O CONTROLLER 128QFP | ||
| Manufacturer | WINBOND | Nuvoton Technology Corporation of America | - |
| Product Category | Interface - Specialized | Interface - Specialized | - |
| Series | - | - | - |
| Type | - | - | - |
| Packaging | - | Tray | - |
| Package Case | - | 128-BFQFP | - |
| Operating Temperature | - | - | - |
| Mounting Type | - | Surface Mount | - |
| Applications | - | - | - |
| Interface | - | Parallel/Serial | - |
| Voltage Supply | - | 5V | - |
| Supplier Device Package | - | 128-QFP (14x20) | - |
| Current Supply | - | - | - |
| Number of Inputs | - | - | - |
| Proximity Detection | - | - | - |
| LED Driver Channels | - | - | - |
| Resolution | - | - | - |