| 1577721 | TL16C2552 | 1.8-V to 5-V Dual UART with 16-Byte FIFOs | Texas Instruments |
| 1577722 | TL16C2552FN | 1.8-V to 5-V Dual UART with 16-Byte FIFOs 44-PLCC 0 to 70 | Texas Instruments |
| 1577723 | TL16C2552FNG4 | 1.8-V to 5-V Dual UART with 16-Byte FIFOs 44-PLCC 0 to 70 | Texas Instruments |
| 1577724 | TL16C2552FNR | 1.8-V to 5-V Dual UART with 16-Byte FIFOs 44-PLCC 0 to 70 | Texas Instruments |
| 1577725 | TL16C2552IFN | 1.8-V to 5-V Dual UART with 16-Byte FIFOs 44-PLCC -40 to 85 | Texas Instruments |
| 1577726 | TL16C2552IFNR | 1.8-V to 5-V Dual UART with 16-Byte FIFOs 44-PLCC -40 to 85 | Texas Instruments |
| 1577727 | TL16C2752 | 1.8-V to 5-V Dual UART with 64-Byte FIFOs 44-PLCC -40 to 85 | Texas Instruments |
| 1577728 | TL16C2752FN | 1.8-V to 5-V Dual UART with 64-Byte FIFOs 44-PLCC 0 to 70 | Texas Instruments |
| 1577729 | TL16C2752IFN | 1.8-V to 5-V Dual UART with 64-Byte FIFOs 44-PLCC -40 to 85 | Texas Instruments |
| 1577730 | TL16C2752IFNR | 1.8-V to 5-V Dual UART with 64-Byte FIFOs 44-PLCC -40 to 85 | Texas Instruments |
| 1577731 | TL16C450 | Single UART Without FIFO | Texas Instruments |
| 1577732 | TL16C450FN | Single UART Without FIFO | Texas Instruments |
| 1577733 | TL16C450FNG4 | Single UART Without FIFO 44-PLCC 0 to 70 | Texas Instruments |
| 1577734 | TL16C450FNR | Single UART Without FIFO | Texas Instruments |
| 1577735 | TL16C450N | Single UART Without FIFO | Texas Instruments |
| 1577736 | TL16C451 | Single UART with Parallel Port And Without FIFO | Texas Instruments |
| 1577737 | TL16C451FN | Single UART with Parallel Port And Without FIFO | Texas Instruments |
| 1577738 | TL16C451FNR | Single UART with Parallel Port And Without FIFO | Texas Instruments |
| 1577739 | TL16C452 | Dual UART with Parallel Port And Without FIFO | Texas Instruments |
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| 1577740 | TL16C452FN | Dual UART with Parallel Port And Without FIFO | Texas Instruments |
| 1577741 | TL16C452FNG4 | Dual UART with Parallel Port And Without FIFO 68-PLCC 0 to 70 | Texas Instruments |
| 1577742 | TL16C452FNR | Dual UART with Parallel Port And Without FIFO | Texas Instruments |
| 1577743 | TL16C452FNRG4 | Dual UART with Parallel Port And Without FIFO 68-PLCC 0 to 70 | Texas Instruments |
| 1577744 | TL16C550 | ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL | Texas Instruments |
| 1577745 | TL16C550A | ASYNCHRONOUS COMMUNICATIONS ELEMENT | Texas Instruments |
| 1577746 | TL16C550AFN | ASYNCHRONOUS COMMUNICATIONS ELEMENT | Texas Instruments |
| 1577747 | TL16C550AFNR | SINGLE UART WITH 16-BYTE FIFO | Texas Instruments |
| 1577748 | TL16C550AN | ASYNCHRONOUS COMMUNICATIONS ELEMENT | Texas Instruments |
| 1577749 | TL16C550B | ASYNCHRONOUS COMMUNICATIONS ELEMENT | Texas Instruments |
| 1577750 | TL16C550BFN | ASYNCHRONOUS COMMUNICATIONS ELEMENT | Texas Instruments |
| 1577751 | TL16C550BFNR | SINGLE UART WITH 16-BYTE FIFOS | Texas Instruments |
| 1577752 | TL16C550BI | ASYNCHRONOUS COMMUNICATIONS ELEMENT | Texas Instruments |
| 1577753 | TL16C550BIFN | ASYNCHRONOUS COMMUNICATIONS ELEMENT | Texas Instruments |
| 1577754 | TL16C550BIN | ASYNCHRONOUS COMMUNICATIONS ELEMENT | Texas Instruments |
| 1577755 | TL16C550BIPT | ASYNCHRONOUS COMMUNICATIONS ELEMENT | Texas Instruments |
| 1577756 | TL16C550BN | ASYNCHRONOUS COMMUNICATIONS ELEMENT | Texas Instruments |
| 1577757 | TL16C550BPT | ASYNCHRONOUS COMMUNICATIONS ELEMENT | Texas Instruments |
| 1577758 | TL16C550BPTR | SINGLE UART WITH 16-BYTE FIFOS | Texas Instruments |
| 1577759 | TL16C550C | Single UART with 16-Byte FIFOs & Auto Flow Control | Texas Instruments |
| 1577760 | TL16C550CFN | ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL | Texas Instruments |
