| SN74LS640DW | Octal Bus Transceivers in 20-pin SOIC package. | Datasheet*) |
| SN74LS640DWR2 | Octal Bus Transceivers in 20-pin SOIC package. | Datasheet*) |
| SN74LS640H | Octal Bus Transceivers | Datasheet*) |
| SN74LS640M | Octal Bus Transceivers | Datasheet*) |
| SN74LS640ML1 | Octal Bus Transceivers | Datasheet*) |
| SN74LS640ML2 | Octal Bus Transceivers | Datasheet*) |
| SN74LS640MR1 | Octal Bus Transceivers | Datasheet*) |
| SN74LS640N | Octal Bus Transceivers in 20-pin PDIP package. | Datasheet*) |
| SN74LS641DW | Octal Bus Transceivers in 20-pin SOIC package. | Datasheet*) |
| SN74LS641DWR2 | Octal Bus Transceivers in 20-pin SOIC package. | Datasheet*) |
| SN74LS641H | Octal Bus Transceivers | Datasheet*) |
| SN74LS641M | Octal Bus Transceivers | Datasheet*) |
| SN74LS641MEL | Octal Bus Transceivers | Datasheet*) |
| SN74LS641N | Octal Bus Transceivers in 20-pin PDIP package. | Datasheet*) |
| SN74LS642DW | Octal Bus Transceivers in 20-pin SOIC package. | Datasheet*) |
| SN74LS642DWR2 | Octal Bus Transceivers in 20-pin SOIC package. | Datasheet*) |
| SN74LS642H | Octal Bus Transceivers | Datasheet*) |
| SN74LS642N | Octal Bus Transceivers in 20-pin PDIP package. | Datasheet*) |
| SN74LS645H | Octal Bus Transceivers | Datasheet*) |
| SN74LS645N | Octal Bus Transceivers in 20-pin PDIP package. | Datasheet*) |
| 74LS645 | LOW POWER SCHOTTKY | Datasheet*) |
| SN74LS640 | LOW POWER SCHOTTKY | Datasheet*) |
| SN74LS645DW | LOW POWER SCHOTTKY | Datasheet*) |
There are other manufacturers for this components. For more information please check
SN74LS640 (Motorola)
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