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| Part Number | XR16M554IL48TR-F | XR16M564IL48TR-F | XR16M654IL48TR-F | 
|---|---|---|---|
| Manufacturer | MaxLinear, Inc. | MaxLinear, Inc. | MaxLinear, Inc. | 
| Product Status | Obsolete | Discontinued at Digi-Key | Discontinued at Digi-Key | 
| Features | Internal Oscillator, Timer/Counter | Internal Oscillator, Timer/Counter | Internal Oscillator, Timer/Counter | 
| Number of Channels | 4, QUART | 4, QUART | 4, QUART | 
| FIFO's | 16 Byte | 32 Byte | 64 Byte | 
| Protocol | RS232 | RS232 | RS232 | 
| Data Rate (Max) | 4Mbps | 16Mbps | 16Mbps | 
| Voltage - Supply | 1.62V ~ 3.63V | 1.62V ~ 3.63V | 1.62V ~ 3.63V | 
| With Auto Flow Control | Yes | Yes | Yes | 
| With IrDA Encoder/Decoder | - | Yes | Yes | 
| With False Start Bit Detection | Yes | Yes | Yes | 
| With Modem Control | Yes | Yes | Yes | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 48-VFQFN Exposed Pad | 48-VFQFN Exposed Pad | 48-VFQFN Exposed Pad | 
| Supplier Device Package | 48-QFN (7x7) | 48-QFN (7x7) | 48-QFN (7x7) |