Electronic Manufacturer | Part no | Datasheet | Electronics Description |
 National Semiconductor ... | PC16553 |  | Dual Universal Asynchronous Receiver/Transmitter with FIFOs plus High Performance Parallel Interface |
PC16553V |  | Dual Universal Asynchronous Receiver/Transmitter with FIFOs plus High Performance Parallel Interface |
 National Semiconductor ... | PC16550D |  | PC16550D Universal Asynchronous Receiver/Transmitter with FIFOs |
 National Semiconductor ... | PC16552C |  | Dual Universal Asynchronous Receiver/Transmitter with FIFOs |
 National Semiconductor ... | PC16552D |  | Dual Universal Asynchronous Receiver/Transmitter with FIFOs |
 National Semiconductor ... | PC16553V |  | Dual Universal Asynchronous Receiver/Transmitter with FIFOs plus High Performance Parallel Interface |
PC16550DN |  | PC16550D Universal Asynchronous Receiver/Transmitter with FIFOs |
 National Semiconductor ... | PC16550DV |  | PC16550D Universal Asynchronous Receiver/Transmitter with FIFOs |
PC16552CV |  | Dual Universal Asynchronous Receiver/Transmitter with FIFOs |
PC16552DV |  | Dual Universal Asynchronous Receiver/Transmitter with FIFOs |
 National Semiconductor ... | PC16550DVX |  | Engineering Project Manager |
 National Semiconductor ... | PC16550DVEF |  | PC16550D Universal Asynchronous Receiver/Transmitter with FIFOs |