| 型号 | 制造商 | 描述 | 操作 |
| SN74LS640-1NSR [更多] | IC OCT BUS TXRX 3ST 20SO | 搜索 查看资料 | |
| SN74LS640-1NSR [更多] | IC OCT BUS TXRX 3ST 20SO | 搜索 查看资料 | |
| SN74LS640-1N [更多] | IC BUS TRANSCEIVER 8BIT 20DIP | 搜索 查看资料 | |
| SN74LS640-1NG4 [更多] | Texas Instruments | IC BUS TRANSCEIVER 8BIT 20DIP | 搜索 查看资料 |
| SN74LS640-1NSR [更多] | IC OCT BUS TXRX 3ST 20SO | 搜索 查看资料 |
| 型号 | 制造商 | 描述 | 操作 |
| SN74LS640-1N [更多] | Bus Transceivers Octal bus Transceiver | 搜索 | |
| SN74LS640-1NSR [更多] | Bus Transceivers Octal bus Transceiver | 搜索 | |
| SN74LS640-1NE4 [更多] | Bus Transceivers Octal bus Transceiver | 搜索 | |
| SN74LS640-1NSRE4 [更多] | Bus Transceivers Octal bus Transceiver | 搜索 | |
| SN74LS640-1NSRG4 [更多] | Bus Transceivers Octal bus transceivr | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| SN74LS640-1N [更多] | Bus XCVR Single 8-CH 3-ST 20-Pin PDIP Tube (Alt: SN74LS640-1N) | 搜索 | |
| SN74LS640-1N [更多] | Bus XCVR Single 8-CH 3-ST 20-Pin PDIP Tube - Rail/Tube (Alt: SN74LS640-1N) | 搜索 | |
| SN74LS640-1NE4 [更多] | Bus XCVR Single 8-CH 3-ST 20-Pin PDIP Tube - Rail/Tube (Alt: SN74LS640-1NE4) | 搜索 | |
| SN74LS640-1NSR [更多] | Bus XCVR Single 8-CH 3-ST 20-Pin SOP T/R - Tape and Reel (Alt: SN74LS640-1NSR) | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| SN74LS640-1N [更多] | 搜索 | ||
| SN74LS640-1NSR [更多] | 搜索 | ||
| SN74LS640-1NS [更多] | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| SN74LS640-1NE4 [更多] | Bus XCVR Single 8-CH 3-ST 20-Pin PDIP Tube | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| SN74LS640-1N [更多] | Bus Transceiver, Single, 8 Bit, 20 Pin, Plastic, DIP | 搜索 | |
| SN74LS640-1N [更多] | Bus Transceiver, Single, 8 Bit, 20 Pin, Plastic, DIP | 搜索 | |
| SN74LS640-1N [更多] | Bus Transceiver, Single, 8 Bit, 20 Pin, Plastic, DIP | 搜索 |
