 | SP3222EUEY-L | 1221 | Exar Corporation | 19+ | 20-TSSOP（0.173"，4.40mm 宽） | | IC TXRX RS232 ESD TRUE 20TSSOP | 购买 |
| ADM485ARMZ | 1160 | Analog Devices Inc | 19+ | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） | | IC TXRX RS-485 5V 5MBPS 8MSOP | 购买 |
| ADM232AARN | 1244 | Analog Devices Inc | 19+ | 16-SOIC（0.154"，3.90mm 宽） | | IC TX/RX DUAL RS-232 5V 16SOIC | 购买 |
| LTC1690CMS8#PBF | 1529 | Linear Technology | 19+ | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） | | IC RCVR/DVR PAIR LOW PWR 8-MSOP | 购买 |
| LTC2804CDHC#PBF | 2001 | Linear Technology | 19+ | 16-WFDFN 裸露焊盘 | | IC TXRX RS232 DUAL 16-DFN | 购买 |
| SP3491EN-L | 1860 | Exar Corporation | 19+ | 14-SOIC（0.154"，3.90mm 宽） | | IC TXRX RS485 FULL DUPLX 14NSOIC | 购买 |
| LTC1690IS8#PBF | 1182 | Linear Technology | 19+ | 8-SOIC（0.154"，3.90mm 宽） | | IC RCVR/DVR PAIR LOW PWR 8-SOIC | 购买 |
| ADM3202ARN | 1037 | Analog Devices Inc | 19+ | 16-SOIC（0.154"，3.90mm 宽） | | IC TX/RX DUAL RS-232 3.3V 16SOIC | 购买 |
| ADM3232EARWZ | 1055 | Analog Devices Inc | 19+ | 16-SOIC（0.295"，7.50mm 宽） | | IC RCVR/LINEDRIVER RS232 16SOIC | 购买 |
| LTC1484IS8#PBF | 1305 | Linear Technology | 19+ | 8-SOIC（0.154"，3.90mm 宽） | | IC TXRX RS485 LOWPWR 8-SOIC | 购买 |
| LT1785ACN8#PBF | 1323 | Linear Technology | 19+ | 8-DIP（0.300"，7.62mm） | | IC TXRX 60V RS485/RS422 8DIP | 购买 |
| LTC1485IS8#PBF | 1537 | Linear Technology | 19+ | 8-SOIC（0.154"，3.90mm 宽） | | IC TXRX DIFFERNTIAL BUS 8-SOIC | 购买 |
| SP208ECT-L | 1094 | Exar Corporation | 19+ | 24-SOIC（0.295"，7.50mm 宽） | | IC TXRX RS232 ESD LP 24SOIC | 购买 |
| SP3077EEN-L | 1451 | Exar Corporation | 19+ | 8-SOIC（0.154"，3.90mm 宽） | | IC TXRX RS485/RS422 ESD 8NSOIC | 购买 |
| SP3086EEN-L | 1392 | Exar Corporation | 19+ | 14-SOIC（0.154"，3.90mm 宽） | | IC TXRX RS485/RS422 ESD 14NSOIC | 购买 |
| XR3172EID-F | 1002 | Exar Corporation | 19+ | 8-SOIC（0.154"，3.90mm 宽） | | IC TXRX RS485 DIFF 3V 8NSOIC | 购买 |
| LT1039CSW#PBF | 1023 | Linear Technology | 19+ | 18-SOIC（0.295"，7.50mm 宽） | | IC DRIVR/RCVR TRPLE-RS232 18SOIC | 购买 |
| ADN4697EBRZ | 1127 | Analog Devices Inc | 19+ | | | IC RCVR LVDS 2CH 14SOIC | 购买 |
| SP487ET-L | 1125 | Exar Corporation | 19+ | 16-SOIC（0.295"，7.50mm 宽） | | IC DVR RS485/RS422 QUAD 16SOIC | 购买 |
| LTC490IN8#PBF | 1447 | Linear Technology | 19+ | 8-DIP（0.300"，7.62mm） | | IC TXRX RS485 LOW POWER 8-DIP | 购买 |
