 | SN74LS244DWR | 2000 | Texas Instruments | 19+ | 20-SOIC（0.295"，7.50mm 宽） | ￥0.3480 | IC BUFF/DVR TRI-ST DUAL 20SOIC | 购买 |
| SN74LVCR2245ADBR | 6000 | Texas Instruments | 19+ | 20-SSOP（0.209"，5.30mm 宽） | ￥0.3509 | IC BUS TRANSCEIVER 8BIT 20SSOP | 购买 |
| SN74LVCR2245ADBR | 6000 | Texas Instruments | 19+ | 20-SSOP（0.209"，5.30mm 宽） | ￥0.3509 | IC BUS TRANSCEIVER 8BIT 20SSOP | 购买 |
| SN74ABT2244ADBR | 2000 | Texas Instruments | 19+ | 20-SSOP（0.209"，5.30mm 宽） | ￥0.3509 | IC BUFF/DVR TRI-ST DUAL 20SSOP | 购买 |
| SN74LVTH245ADBR | 2000 | Texas Instruments | 19+ | 20-SSOP（0.209"，5.30mm 宽） | ￥0.3509 | IC BUS TRANSCEIVER 8BIT 20SSOP | 购买 |
| SN74LVTH245ADBR | 2000 | Texas Instruments | 19+ | 20-SSOP（0.209"，5.30mm 宽） | ￥0.3509 | IC BUS TRANSCEIVER 8BIT 20SSOP | 购买 |
| SN74LVT244BDBR | 4000 | Texas Instruments | 19+ | 20-SSOP（0.209"，5.30mm 宽） | ￥0.3542 | IC BUFF/DVR TRI-ST DUAL 20SSOP | 购买 |
| SN74ABT541BPWR | 4000 | Texas Instruments | 19+ | 20-TSSOP（0.173"，4.40mm 宽） | ￥0.3542 | IC BUFF/DVR TRI-ST 8BIT 20TSSOP | 购买 |
| SN74ABT541BPWR | 4000 | Texas Instruments | 19+ | 20-TSSOP（0.173"，4.40mm 宽） | ￥0.3542 | IC BUFF/DVR TRI-ST 8BIT 20TSSOP | 购买 |
| SN74LVC16244ADGVR | 2000 | Texas Instruments | 19+ | 48-TFSOP（0.173"，4.40mm 宽） | ￥0.8500 | IC BUFF/DVR TRI-ST 16BIT 48TVSOP | 购买 |
| SN74LV541APWR | 6000 | Texas Instruments | 19+ | 20-TSSOP（0.173"，4.40mm 宽） | ￥0.3640 | IC BUFF/DVR TRI-ST 8BIT 20TSSOP | 购买 |
| SN74LV541APWR | 6000 | Texas Instruments | 19+ | 20-TSSOP（0.173"，4.40mm 宽） | ￥0.3640 | IC BUFF/DVR TRI-ST 8BIT 20TSSOP | 购买 |
| SN74LS07DR | 17500 | Texas Instruments | 19+ | 14-SOIC（0.154"，3.90mm 宽） | ￥0.5760 | IC BUFF/DVR HEX INVERT 14SOICN | 购买 |
| SN74LS245DBR | 6000 | Texas Instruments | 19+ | 20-SSOP（0.209"，5.30mm 宽） | ￥0.3696 | IC BUS TRANSCEIVER 8BIT 20SSOP | 购买 |
| SN74LS245DBR | 6000 | Texas Instruments | 19+ | 20-SSOP（0.209"，5.30mm 宽） | ￥0.3696 | IC BUS TRANSCEIVER 8BIT 20SSOP | 购买 |
| CY74FCT245ATQCT | 7500 | Texas Instruments | 19+ | 20-SSOP（0.154"，3.90mm 宽） | ￥0.5810 | IC TRANSCVR TRI-ST 8BIT 20QSOP | 购买 |
| SN74LS244DBR | 8000 | Texas Instruments | 19+ | 20-SSOP（0.209"，5.30mm 宽） | ￥0.3696 | IC BUFF/DVR TRI-ST DUAL 20SSOP | 购买 |
| SN74LS244DBR | 8000 | Texas Instruments | 19+ | 20-SSOP（0.209"，5.30mm 宽） | ￥0.3696 | IC BUFF/DVR TRI-ST DUAL 20SSOP | 购买 |
| SN74LS245NSR | 6000 | Texas Instruments | 19+ | 20-SOIC（0.209"，5.30mm 宽） | ￥0.3696 | IC BUS TRANSCEIVER 8BIT 20SOP | 购买 |
| SN74ABT541BDBR | 2000 | Texas Instruments | 19+ | 20-SSOP（0.209"，5.30mm 宽） | ￥0.3892 | IC BUFF/DVR TRI-ST 8BIT 20SSOP | 购买 |
