| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | DM74LS247 |  66Kb/3P | BCD TO 7-SEGMENT DECODER/DRIVER WITH OPEN-COLLECTOR OUTPUTS |
| DM74LS247M |  66Kb/3P | BCD TO 7-SEGMENT DECODER/DRIVER WITH OPEN-COLLECTOR OUTPUTS |
| DM74LS247N |  66Kb/3P | BCD TO 7-SEGMENT DECODER/DRIVER WITH OPEN-COLLECTOR OUTPUTS |
 National Semiconductor ... | DM74LS240 |  102Kb/ 3P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
| DM74LS240N |  142Kb/ 6P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
 National Semiconductor ... | DM74LS240N |  102Kb/ 3P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
 National Semiconductor ... | DM74LS240WM |  142Kb/ 6P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
 National Semiconductor ... | DM74LS241 |  142Kb/ 6P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
 National Semiconductor ... | DM74LS241 |  102Kb/ 3P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
| DM74LS241N |  142Kb/ 6P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
 National Semiconductor ... | DM74LS241N |  102Kb/ 3P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
| DM74LS241WM |  142Kb/ 6P | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |