 | MM74HC245AWM | 1270 | Fairchild Semiconductor | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.6100 | IC TRANSCEIVER 3-ST 8BIT 20SOIC | 购买 |
| MC74HCT245ADWG | 2511 | ON Semiconductor | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.6200 | IC BUS TRANSCVR 3-ST 8BIT 20SOIC | 购买 |
| MC74HC541ADWG | 862 | ON Semiconductor | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.6200 | IC BUFF/DVR TRI-ST 8BIT 20SOIC | 购买 |
| MC74HC245ADWG | 581 | ON Semiconductor | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.6200 | IC BUS TRANSCVR 3-ST 8B 20SOIC | 购买 |
| 74ACT244SC | 1504 | Fairchild Semiconductor | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.6300 | IC BUFF/DVR TRI-ST DUAL 20SOIC | 购买 |
| 74AC244SC | 2096 | Fairchild Semiconductor | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.6300 | IC BUFF/DVR TRI-ST DUAL 20SOIC | 购买 |
| MM74HC244WM | 918 | Fairchild Semiconductor | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.6400 | IC BUFF/DVR TRI-ST DUAL 20SOIC | 购买 |
| 74ACT245SC | 1801 | Fairchild Semiconductor | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.6400 | IC TRANSCEIVER 3-ST 8BIT 20SOIC | 购买 |
| 74AC245SC | 1602 | Fairchild Semiconductor | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.6500 | IC TRANSCVR TRI-ST 8BIT 20SOIC | 购买 |
| 74ACT244SJ | 929 | Fairchild Semiconductor | 19+ | 20-SOIC（0.209"，5.30mm 宽） | ￥0.6500 | IC BUFF/DVR TRI-ST DUAL 20SOP | 购买 |
| MC14503BDG | 2945 | ON Semiconductor | 19+ | 16-SOIC（0.154"，3.90mm 宽） | ￥0.6600 | IC BUFF TRI-ST HEX N-INV 16SOIC | 购买 |
| 74LVX245M | 1891 | Fairchild Semiconductor | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.7500 | IC TRANSCVR 8BIT BI-DIR 20SOIC | 购买 |
| MC74HC125ANG | 20 | ON Semiconductor | 19+ | 14-DIP（0.300"，7.62mm） | ￥0.6600 | IC BUFFER TRI-ST QD N-INV 14DIP | 购买 |
| M74HCT640RM13TR | 3000 | STMicroelectronics | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.6615 | IC TRANSCEIVER 3-ST 8BIT 20SOIC | 购买 |
| 74LCX244SJ | 1806 | Fairchild Semiconductor | 19+ | 20-SOIC（0.209"，5.30mm 宽） | ￥0.6900 | IC BUFF DVR LOW V N-INV 20SOP | 购买 |
| 74LVT244MTC | 1563 | Fairchild Semiconductor | 19+ | 20-TSSOP（0.173"，4.40mm 宽） | ￥0.6800 | IC BUFF/DVR TRI-ST DUAL 20TSSOP | 购买 |
| 74LVX4245MTR | 1000 | STMicroelectronics | 19+ | 24-SOIC（0.295"，7.50mm 宽） | ￥0.6840 | IC BUS TXRX OCTAL DUAL 24-SOIC | 购买 |
| MC74ACT541DTG | 861 | ON Semiconductor | 19+ | 20-TSSOP（0.173"，4.40mm 宽） | ￥0.6900 | IC BUFF/DVR TRI-ST 8BIT 20TSSOP | 购买 |
| MC74ACT244DWG | 2214 | ON Semiconductor | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.7000 | IC BUFF/DVR TRI-ST DUAL 20SOIC | 购买 |
| 74LCX541MTR | 7000 | STMicroelectronics | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.7095 | IC BUFF/DVR TRI-ST 8BIT 20SOIC | 购买 |
