| Manufacturer | Part Number | Description |
|---|---|---|
| 74LS540 | OCTAL BUFFER/LINE DRIVER | |
Motorola Semiconductor (now NXP Semiconductors) |
74LS540 | OCTAL BUFFER/LINE DRIVER |
Texas Instruments |
SN74LS540 | Octal Buffers And Line Driver |
| SN74LS540 | Octal buffer/line driver |