| Manufacturer | Part Number | Description |
|---|---|---|
MaxLinear
| ST16C554 | 2.97V to 5.5V Quad UART |
Exar (now MaxLinear)
| ST16C554 | QUAD UART WITH 16-BYTE FIFOS |
Exar (now MaxLinear)
| ST16C554D | 2.97V TO 5.5V QUAD UART |
MaxLinear
| ST16C554D | 2.97V to 5.5V Quad UART |