| 82C50 | Intersil | Communication Element, UART, Baud Rate Generator, CMOS, 625k Baud, 10MHz |
| 82C52 | Intersil | Serial Controller Interface, UART, Baud Rate Generator, CMOS, 1M Baud |
| CDP68HC68P1 | Intersil | Port, Input/Output, Serial, 8-Bit, CMOS |
| HD-6402 | Intersil | UART, 125/500 Baud, CMOS |
| HD-6402/883 | Intersil | UART, 125/500 Baud, CMOS, 883 Compliant |
| PC16550D | National Semiconductor | Universal Asynchronous Receiver/Transmitter with FIFO's |
| PC16552D | National Semiconductor | Dual Universal Asynchronous Receiver/Transmitter with FIFO's |
| SC16C2550 | Philips Semiconductors | Dual UART with 16 bytes of transmit and receive FIFOs and infrared (IrDA) encoder/decoder |
| SC16C2552 | Philips Semiconductors | Dual UART with 16-byte transmit and receive FIFOs |
| SC16C2552B | Philips Semiconductors | 5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 16-byte FIFOs |
| SC16C550 | Philips Semiconductors | Universal Asynchronous Receiver/Transmitter (UART) with 16-byte FIFO and infrared (IrDA) encoder/decoder |
| SC16C650A | Philips Semiconductors | Universal Asynchronous Receiver/Transmitter (UART) with 32-byte FIFO and infrared (IrDA) encoder/decoder |
| SC16C652 | Philips Semiconductors | Dual UART with 32 bytes of transmit and receive FIFOs |
| SC16C750 | Philips Semiconductors | Universal Asynchronous Receiver/Transmitter (UART) with 64-byte FIFO |
| SC16C752 | Philips Semiconductors | Dual UART with 64-byte FIFO |
| SC16C754 | Philips Semiconductors | Quad UART with 64-byte FIFO |
| SC26C92 | Philips Semiconductors | Dual universal asynchronous receiver/transmitter (DUART) |
| SC28C94 | Philips Semiconductors | Quad universal asynchronous receiver/transmitter (QUART) |
| SC28L194 | Philips Semiconductors | Quad UART for 3.3V and 5V supply voltage |
| SC28L198 | Philips Semiconductors | Octal UART for 3.3V and 5V supply voltage |
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