| Manufacturer | Part Number | Description |
|---|---|---|
| SC16C654B | 5 V - 3.3 V and 2.5 V quad UART - 5 Mbit/s (max.) | |
NXP Semiconductors
| SC16C654 | Quad UART with 64-byte FIFO and infrared (IrDA) encoder/decoder |
NXP Semiconductors
| SC16C654D | Quad UART |
| SC16C654DB | 5 V - 3.3 V and 2.5 V quad UART - 5 Mbit/s (max.) |