| Manufacturer | Part Number | Description |
|---|---|---|
| 54LS240 | Octal TRI-STATE Buffer / Line Drivers / Line Receivers | |
Texas Instruments |
SN54LS240 | Octal Buffers and Line Drivers |
BDTIC |
54LS240 | LSTTL eight-Buffer / Bus Driver |
Signetics |
54LS241 | (54LS240) Octal Buffer |
| DM54LS240 | Octal TRI-STATE Buffers/Line Drivers/Line Receivers | |
Motorola Semiconductor (now NXP Semiconductors) |
SN54LS240 | OCTAL BUFFER/LINE DRIVER |