| 448401 | DM74LS244 | Octal TRI-STATE Buffer/Line Driver/Line Receiver | National Semiconductor |
| 448402 | DM74LS244CW | Octal 3-STATE Buffer/Line Driver/Line Receiver | Fairchild Semiconductor |
| 448403 | DM74LS244N | Octal 3-STATE Buffer/Line Driver/Line Receiver | Fairchild Semiconductor |
| 448404 | DM74LS244N | Octal TRI-STATEE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 448405 | DM74LS244SJ | Octal 3-STATE Buffer/Line Driver/Line Receiver | Fairchild Semiconductor |
| 448406 | DM74LS244SJX | Octal 3-STATE Buffer/Line Driver/Line Receiver | Fairchild Semiconductor |
| 448407 | DM74LS244WM | Octal 3-STATE Buffer/Line Driver/Line Receiver | Fairchild Semiconductor |
| 448408 | DM74LS244WM | Octal TRI-STATEE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 448409 | DM74LS244WMX | Octal 3-STATE Buffer/Line Driver/Line Receiver | Fairchild Semiconductor |
| 448410 | DM74LS245 | 3-STATE Octal Bus Transceiver | Fairchild Semiconductor |
| 448411 | DM74LS245 | Octal TRI-STATE Bus Transceiver | National Semiconductor |
| 448412 | DM74LS245CW | Octal 3-STATE Bus Transceiver | Fairchild Semiconductor |
| 448413 | DM74LS245N | 3-STATE Octal Bus Transceiver | Fairchild Semiconductor |
| 448414 | DM74LS245N | TRI-STATE Octal Bus Transceiver | National Semiconductor |
| 448415 | DM74LS245SJ | 3-STATE Octal Bus Transceiver | Fairchild Semiconductor |
| 448416 | DM74LS245SJX | Octal 3-STATE Bus Transceiver | Fairchild Semiconductor |
| 448417 | DM74LS245WM | 3-STATE Octal Bus Transceiver | Fairchild Semiconductor |
| 448418 | DM74LS245WM | TRI-STATE Octal Bus Transceiver | National Semiconductor |
| 448419 | DM74LS245WM | TRI-STATE Octal Bus Transceiver | National Semiconductor |
|
| 448420 | DM74LS245WMX | Octal 3-STATE Bus Transceiver | Fairchild Semiconductor |
| 448421 | DM74LS247 | BCD to 7-Segment Decoder/Driver with Open-Collector Outputs | National Semiconductor |
| 448422 | DM74LS247M | V(cc): 4.75 to 5.25V; BCD to 7-segment decoder/driver with open collector outputs | Fairchild Semiconductor |
| 448423 | DM74LS247M | 7 V, BCD to 7-segment decoder/driver with open-collector output | National Semiconductor |
| 448424 | DM74LS247N | V(cc): 4.75 to 5.25V; BCD to 7-segment decoder/driver with open collector outputs | Fairchild Semiconductor |
| 448425 | DM74LS248 | BCD to 7-Segment Decoder with 2k Ohm Pull-Up Resistors | National Semiconductor |
| 448426 | DM74LS248M | 7 V, BCD to 7-segment decoder | National Semiconductor |
| 448427 | DM74LS248N | 7 V, BCD to 7-segment decoder | National Semiconductor |
| 448428 | DM74LS249 | BCD to 7-Segment Decoder (with Open Collector Outputs) | National Semiconductor |
| 448429 | DM74LS249N | 7 V, BCD to 7-segment decoder (with open-collector output) | National Semiconductor |
| 448430 | DM74LS251 | 3-STATE 1-of-8 Line Data Selector/Multiplexer | Fairchild Semiconductor |
| 448431 | DM74LS251 | TRI-STATE 1-of-8 Line Data Selector/Multiplexer with Complementary Outputs | National Semiconductor |
| 448432 | DM74LS251CW | 3-STATE 1-of-8 Line Data Selector/Multiplexer | Fairchild Semiconductor |
| 448433 | DM74LS251M | 3-STATE 1-of-8 Line Data Selector/Multiplexer | Fairchild Semiconductor |
| 448434 | DM74LS251M | TRI-STATE Data Selectors/Multiplexers | National Semiconductor |
| 448435 | DM74LS251MX | 3-STATE 1-of-8 Line Data Selector/Multiplexer | Fairchild Semiconductor |
| 448436 | DM74LS251N | 3-STATE 1-of-8 Line Data Selector/Multiplexer | Fairchild Semiconductor |
| 448437 | DM74LS251N | TRI-STATE Data Selectors/Multiplexers | National Semiconductor |
| 448438 | DM74LS253 | 3-STATE Data Selector/Multiplexer | Fairchild Semiconductor |
| 448439 | DM74LS253 | Dual TRI-STATE 1-of-4 Line Data Selector/Multiplexer | National Semiconductor |
| 448440 | DM74LS253M | 3-STATE Data Selector/Multiplexer | Fairchild Semiconductor |
