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| PartNumber | XR88C92IVTR-F | XR88C92IV-F | XR88C92IV |
| Description | UART Interface IC XR88C92IVTR-F | UART Interface IC Dual Channel UART | |
| Manufacturer | Exar | Exar Corporation | - |
| Product Category | Interface - Controllers | Interface - UARTs (Universal Asynchronous Receiver Transmitter) | - |
| Series | - | XR88C92 | - |
| Type | - | Dual UART with 8 Bytes Transmit and Receive FIFO | - |
| Packaging | - | Tray | - |
| Unit Weight | - | 0.012561 oz | - |
| Mounting Style | - | SMD/SMT | - |
| Package Case | - | LQFP-44 | - |
| Mounting Type | - | Surface Mount | - |
| Features | - | Configurable GPIO, Internal Oscillator, Timer/Counter | - |
| Number of Channels | - | 2, DUART | - |
| Voltage Supply | - | 2.97 V ~ 5.5 V | - |
| Supplier Device Package | - | 44-LQFP (10x10) | - |
| Memory Size | - | 8 B | - |
| Protocol | - | - | - |
| Data Rate | - | 1 Mbps | - |
| Data Rate Max | - | 230.4Kbps | - |
| With Auto Flow Control | - | Yes | - |
| With IrDA Encoder Decoder | - | - | - |
| With False Start Bit Detection | - | - | - |
| With Modem Control | - | - | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Description Function | - | Dual Universal Asynchronous Receiver and Transmitter with 8 bytes transmit and receive FIFO | - |
| Operating Supply Current | - | 1.5 mA | - |
| Supply Voltage Max | - | 5.5 V | - |
| Supply Voltage Min | - | 2.97 V | - |