| No image | XR17C158CVTR-F | Exar Corporation | IC UART PCI BUS OCTAL 5V 144SQFP | $28.4400 | 0 | Tape & Reel (TR) |
 | XR16C854IJ-F | Exar Corporation | IC UART FIFO 128B QUAD 68PLCC | $16.7490 – $21.2000 | 1,500 | Tube |
| No image | XR17D152CMTR-F | Exar Corporation | IC UART PCI BUS DUAL 100TQFP | $13.0000 | 0 | Tape & Reel (TR) |
 | XR16C850CM-F | Exar Corporation | IC UART FIFO 128B 48TQFP | $7.9940 – $10.8000 | 13,600 | Tray |
 | XR82C684JTR-F | Exar Corporation | IC UART CMOSS QUAD 68PLCC | $11.2440 | 0 | Tape & Reel (TR) |
| No image | XR17D158IVTR-F | Exar Corporation | IC UART OCT BUS 3.3V/5V 144SQFP | $28.4400 | 0 | Tape & Reel (TR) |
| No image | ST16C650ACJ44TR-F | Exar Corporation | IC UART FIFO 32B 44PLCC | $4.4620 | 0 | Tape & Reel (TR) |
 | ST16C1550IQ48TR-F | Exar Corporation | IC UART 2.97V - 5.5V 48TQFP | $4.1300 | 0 | Tape & Reel (TR) |
| No image | XR17V258IVTR-F | Exar Corporation | IC UART PCI BUS OCTAL 144LQFP | $28.4400 | 0 | Tape & Reel (TR) |
| No image | XR88C681CP-40-F | Exar Corporation | EXAR XR88C681CP/40-F UART Interface, 2, 1 Mbps, 4.75 V, 5.25 V, DIP, 40 Pins | $3.4220 – $4.2540 | 5,550 | Tube |
 | XR16C854CQ-F | Exar Corporation | XR16C854 Series 2 Mbps 5.5 V SMT Quad UART With 128-Byte FIFO QFP-100 | $17.1800 – $21.7500 | 872 | Tray |
| No image | XR16C854IV-F | Exar Corporation | IC UART FIFO 128B QUAD 64LQFP | $17.3160 – $21.9200 | 9,050 | Tray |
 | XR16L570IL32TR-F | Exar Corporation | XR16L570 Series CPU 4 Mbps Surface Mount 1 Channel UART QFN-32 | $1.6720 – $1.9500 | 8,400 | Tape & Reel (TR) |
 | XR16C2850CMTR-F | Exar Corporation | IC DUART 2.97V - 5.5V 48TQFP | $9.2330 | 0 | Tape & Reel (TR) |
 | XR16V798IQTR-F | Exar Corporation | IC UART OCT 2.25V - 3.6V 100QFP | $27.2480 | 0 | Tape & Reel (TR) |
| No image | XR16C2850IJTR-F | Exar Corporation | IC UART FIFO 128B 44PLCC | $8.9380 – $10.4250 | 2,652 | Tape & Reel (TR) |
 | XR16L788IQTR-F | Exar Corporation | IC UART FIFO 64B OCTAL 100QFP | $19.1360 | 0 | Tape & Reel (TR) |
 | XR16V2550IMTR-F | Exar Corporation | IC DUART 2.25 - 3.63V 48TQFP | $4.6300 | 0 | Tape & Reel (TR) |
 | XR16L2550IMTR-F | Exar Corporation | IC UART FIFO 16B DUAL 48TQFP | $3.0690 – $3.5800 | 11,000 | Tape & Reel (TR) |
 | XR16M780IM48TR-F | Exar Corporation | IC UART 1.62V - 3.63V 48TQFP | $3.1290 | 0 | Tape & Reel (TR) |
| No image | XR88C192CJ-F | Exar Corporation | IC UART FIFO DUAL 44PLCC | $7.1000 | 0 | Tube |
 | ST16C654IJ68-F | Exar Corporation | ST16C654 Series 1.5 Mbps 5.5 V SMT Quad UART With 64-Byte FIFO PLCC-68 | $12.3580 – $14.4140 | 3,128 | Tube |
 | ST16C654IQ100TR-F | Exar Corporation | IC UART QUAD 2.97V - 5.5V 100QFP | $14.2420 | 0 | Tape & Reel (TR) |
 | XR16M781IL24-F | Exar Corporation | IC UART FIFO 64B 24QFN | $3.5790 | 0 | Tray |
 | XR16C850CMTR-F | Exar Corporation | IC UART FIFO 128B 48TQFP | $6.4950 – $7.5760 | 4,780 | Tape & Reel (TR) |
 | XR16C2550IMTR-F | Exar Corporation | IC UART FIFO 16B DUAL 48TQFP | $4.8670 | 0 | Tape & Reel (TR) |
 | XR16M581IL24-F | Exar Corporation | IC UART FIFO 16B 24QFN | $3.0980 | 0 | Tray |
| No image | XR88C681CP-40 | Exar Corporation | IC UART CMOS DUAL 40DIP | $2.5300 – $3.0320 | 11,309 | Tube |
| No image | ST16C654CQ64TR-F | Exar Corporation | IC Uart Fifo 64B Quad 64LQFP | $9.1850 – $10.7130 | 300 | Tape & Reel (TR) |
 | ST16C1550CJ28-F | Exar Corporation | ST16C1550 Series 1.5 Mbps 5.5 V Surface Mount UART With 16-Byte FIFO PLCC-28 | $4.0470 – $5.5300 | 1,927 | Tube |
| No image | XR16M564IV64TR-F | Exar Corporation | IC UART QUAD 1.62 - 3.63V 64SQFP | $8.5070 | 0 | Tape & Reel (TR) |
| No image | ST68C554IJ68-F | Exar Corporation | ST16C654 Series 1.5 Mbps 5.5 V SMT Quad UART With 64-Byte FIFO PLCC-68 | $11.1160 – $12.9650 | 570 | — |
 | XR16L2751CMTR-F | Exar Corporation | IC Uart Fifo 64B Dual 48TQFP | $4.7810 – $5.5760 | 1,341 | Tape & Reel (TR) |
 | XR16L580ILTR-F | Exar Corporation | XR16L580 Series 3.125 Mbps 5.5 V UART With 16-Byte FIFO and Powersave QFN-32 | $0.7630 – $0.9110 | 26,956 | Tape & Reel (TR) |
 | XR16M781IL32-F | Exar Corporation | IC UART FIFO 64B 32QFN | $3.2320 – $5.7300 | 1,413 | Tray |
| No image | XR16V654IV64-F | Exar Corporation | IC UART FIFO 64B QUAD 64LQFP | $13.8080 | 0 | Bulk |
| No image | ST16C654DCQ64TR-F | Exar Corporation | IC UART QUAD 2.97V - 5.5V 64SQFP | $10.7130 | 0 | Tape & Reel (TR) |
 | XR19L400IL40-F | Exar Corporation | IC Uart/txrx RS485 40QFN | $3.7080 – $4.3250 | 5,578 | Tray |
| No image | XR16V654IV80-F | Exar Corporation | IC UART FIFO 64B QUAD 80LQFP | $9.0620 – $10.5690 | 6,500 | Tray |
 | XR16V554ILTR-F | Exar Corporation | IC UART QUAD 2.25V - 3.6V 48QFN | $6.4600 | 0 | Tape & Reel (TR) |
| No image | XR16M654IL48TR-F | Exar Corporation | IC UART QUAD 1.62 - 3.63V 48QFN | $9.9540 | 0 | Tape & Reel (TR) |
 | XR16L2751IM-F | Exar Corporation | IC UART FIFO 64B DUAL 48TQFP | $4.3920 – $8.1300 | 0 | Tray |
| No image | XR16M564IL48TR-F | Exar Corporation | IC UART QUAD 1.62 - 3.63V 48QFN | $7.8180 | 0 | Tape & Reel (TR) |
 | XR16V2750IMTR-F | Exar Corporation | IC UART FIFO 64B DUAL 48TQFP | $5.0890 | 0 | Tape & Reel (TR) |
| No image | XR17D154IVTR-F | Exar Corporation | IC Uart Quad Pci 3.3V/5V 144SQFP | $16.6670 – $19.4390 | 621 | Tape & Reel (TR) |
 | XR16M781IL32TR-F | Exar Corporation | IC UART 1.62V - 3.63V 32QFN | $2.8900 | 0 | Tape & Reel (TR) |
 | ST16C454CJ68-F | Exar Corporation | ST16C454 Series 1.5 Mbps 5.5 V Quad Universal Asynchronous UART PLCC-68 | $10.5030 – $12.2500 | 3,417 | Tube |
 | XR16M580IL32TR-F | Exar Corporation | IC UART FIFO 16B 32QFN | $2.5210 | 0 | Tape & Reel (TR) |