 | SN74ALS638A-1N | 74 | Texas Instruments | 19+ | 20-DIP（0.300"，7.62mm） | ￥9.8800 | IC BUS TRANSCEIVER DUAL 20DIP | 购买 |
| 74ACT16827DL | 43 | Texas Instruments | 19+ | 56-BSSOP（0.295"，7.50mm 宽） | ￥11.6300 | IC BUFF/DVR TRI-ST 20BIT 56SSOP | 购买 |
| 74ACT16652DL | 60 | Texas Instruments | 19+ | 56-BSSOP（0.295"，7.50mm 宽） | ￥13.3100 | IC 16BIT TXRX REGIST 56SSOP | 购买 |
| 74ACT16657DL | 100 | Texas Instruments | 19+ | 56-BSSOP（0.295"，7.50mm 宽） | ￥17.1600 | IC 16BIT TXRX TRI-ST 56-SSOP | 购买 |
| 74LVCH245ADB,118 | 2000 | NXP Semiconductors | 19+ | 20-SSOP（0.209"，5.30mm 宽） | ￥0.1627 | IC TRANSCVR TRI-ST 8BIT 20SSOP | 购买 |
| 74HC243D,112 | 3083 | NXP Semiconductors | 19+ | 14-SOIC（0.154"，3.90mm 宽） | ￥0.5800 | IC BUS TXRX 3-ST 4BIT 14SOIC | 购买 |
| 74AHCT125BQ,115 | 3000 | NXP Semiconductors | 19+ | 14-VFQFN 裸露焊盘 | ￥0.1389 | IC BUFF DVR TRI-ST QD 14DHVQFN | 购买 |
| 74AHCT125BQ,115 | 3000 | NXP Semiconductors | 19+ | 14-VFQFN 裸露焊盘 | ￥0.1389 | IC BUFFER/DVR 3ST QD 14DHVQFN | 购买 |
| 74AHCT125BQ,115 | 3000 | NXP Semiconductors | 19+ | 14-VFQFN 裸露焊盘 | ￥0.1389 | IC BUFFER/DVR 3ST QD 14DHVQFN | 购买 |
| 74AHCT125BQ,115 | 3000 | NXP Semiconductors | 19+ | 14-VFQFN 裸露焊盘 | ￥0.1389 | IC BUFF DVR TRI-ST QD 14DHVQFN | 购买 |
| 74AUP2G125DC,125 | 3000 | NXP Semiconductors | 19+ | 8-VFSOP（0.091"，2.30mm 宽） | ￥0.1854 | IC BUFF DVR 3-ST DL L PWR 8VSSOP | 购买 |
| 74LVT244ADB,118 | 541 | NXP Semiconductors | 19+ | 20-SSOP（0.209"，5.30mm 宽） | ￥0.6600 | IC BUFF/DVR TRI-ST DUAL 20SSOP | 购买 |
| 74LVT244ADB,118 | 541 | NXP Semiconductors | 19+ | 20-SSOP（0.209"，5.30mm 宽） | ￥0.6600 | IC BUFF/DVR TRI-ST DUAL 20SSOP | 购买 |
| 74HCT541N,652 | 1567 | NXP Semiconductors | 19+ | 20-DIP（0.300"，7.62mm） | ￥1.0600 | IC BUFF/DVR TRI-ST 8BIT 20DIP | 购买 |
| 74HC4050N,652 | 517 | NXP Semiconductors | 19+ | 16-DIP（0.300"，7.62mm） | ￥1.3700 | IC HEX LEVEL SHIFTER 16-DIP | 购买 |
| 74AHC244BQ,115 | 3000 | NXP Semiconductors | 19+ | 20-VFQFN 裸露焊盘 | ￥0.1320 | IC BUFF/DVR TRI-ST DUAL 20QFN | 购买 |
| 74AHC244BQ,115 | 3000 | NXP Semiconductors | 19+ | 20-VFQFN 裸露焊盘 | ￥0.1320 | IC BUFF/DVR TRI-ST DUAL 20QFN | 购买 |
| 74HC241N,652 | 2136 | NXP Semiconductors | 19+ | 20-DIP（0.300"，7.62mm） | ￥1.1800 | IC BUFF/DVR TRI-ST DUAL 20DIP | 购买 |
| 74LVCH162244ADGG,1 | 2000 | NXP Semiconductors | 19+ | 48-TFSOP（0.240"，6.10mm 宽） | ￥0.3045 | IC BUFF DVR TRI-ST 16BIT 48TSSOP | 购买 |
| 74LVT16245BDL,112 | 1581 | NXP Semiconductors | 19+ | 48-BSSOP（0.295"，7.50mm 宽） | ￥0.3990 | IC TRANSCVR TRI-ST 16BIT 48SSOP | 购买 |
