| 제조업체 | 부품명 | 데이터시트 | 상세설명 |
 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 ... | 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 |
 National Semiconductor ... | DM74LS244N |  139Kb/ 6P | Octal TRI-STATEE Buffers/Line Drivers/Line Receivers |