| 448361 | DM74LS22 | Dual 4-Input NAND Gate with Open Collector Outputs | National Semiconductor |
| 448362 | DM74LS221 | Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs | Fairchild Semiconductor |
| 448363 | DM74LS221 | Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs | National Semiconductor |
| 448364 | DM74LS221CW | Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs | Fairchild Semiconductor |
| 448365 | DM74LS221M | Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs | Fairchild Semiconductor |
| 448366 | DM74LS221M | 7 V, dual non-retriggerable one-shot with clear and complementary output | National Semiconductor |
| 448367 | DM74LS221MX | Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs | Fairchild Semiconductor |
| 448368 | DM74LS221N | Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs | Fairchild Semiconductor |
| 448369 | DM74LS221N | 7 V, dual non-retriggerable one-shot with clear and complementary output | National Semiconductor |
| 448370 | DM74LS221SJ | Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs | Fairchild Semiconductor |
| 448371 | DM74LS221SJX | Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs | Fairchild Semiconductor |
| 448372 | DM74LS240 | Octal 3-STATE Buffer/Line Driver/Line Receiver | Fairchild Semiconductor |
| 448373 | DM74LS240 | Octal TRI-STATE Buffer/Line Driver/Line Receiver (Inverting) | National Semiconductor |
| 448374 | DM74LS240CW | Octal 3-STATE Buffer/Line Driver/Line Receiver (Inverting) | Fairchild Semiconductor |
| 448375 | DM74LS240N | Octal 3-STATE Buffer/Line Driver/Line Receiver | Fairchild Semiconductor |
| 448376 | DM74LS240N | Octal TRI-STATE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 448377 | DM74LS240N | Octal TRI-STATE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 448378 | DM74LS240SJ | Octal 3-STATE Buffer/Line Driver/Line Receiver | Fairchild Semiconductor |
| 448379 | DM74LS240SJX | Octal 3-STATE Buffer/Line Driver/Line Receiver (Inverting) | Fairchild Semiconductor |
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| 448380 | DM74LS240WM | Octal 3-STATE Buffer/Line Driver/Line Receiver | Fairchild Semiconductor |
| 448381 | DM74LS240WM | Octal TRI-STATE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 448382 | DM74LS240WMX | Octal 3-STATE Buffer/Line Driver/Line Receiver (Inverting) | Fairchild Semiconductor |
| 448383 | DM74LS241 | Octal 3-STATE Buffer/Line Driver/Line Receiver | Fairchild Semiconductor |
| 448384 | DM74LS241 | Octal TRI-STATE Buffer/Line Driver/Line Receiver | National Semiconductor |
| 448385 | DM74LS241N | Octal 3-STATE Buffer/Line Driver/Line Receiver | Fairchild Semiconductor |
| 448386 | DM74LS241N | Octal TRI-STATE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 448387 | DM74LS241N | Octal TRI-STATE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 448388 | DM74LS241WM | Octal 3-STATE Buffer/Line Driver/Line Receiver | Fairchild Semiconductor |
| 448389 | DM74LS241WM | Octal TRI-STATE Buffers/Line Drivers/Line Receivers | National Semiconductor |
| 448390 | DM74LS241WMX | Octal 3-STATE Buffer/Line Driver/Line Receiver | Fairchild Semiconductor |
| 448391 | DM74LS243 | Quadruple Bus Transceiver | Fairchild Semiconductor |
| 448392 | DM74LS243 | Quadruple Bus Transceiver | National Semiconductor |
| 448393 | DM74LS243M | Quadruple Bus Transceiver | Fairchild Semiconductor |
| 448394 | DM74LS243MX | Quadruple Bus Transceiver | Fairchild Semiconductor |
| 448395 | DM74LS243N | Quadruple Bus Transceiver | Fairchild Semiconductor |
| 448396 | DM74LS243N | 7 V, quadruple bus transceiver | National Semiconductor |
| 448397 | DM74LS243WM | Quadruple Bus Transceiver | Fairchild Semiconductor |
| 448398 | DM74LS243WM | 7 V, quadruple bus transceiver | National Semiconductor |
| 448399 | DM74LS243WMX | Quadruple Bus Transceiver | Fairchild Semiconductor |
| 448400 | DM74LS244 | Octal 3-STATE Buffer/Line Driver/Line Receiver | Fairchild Semiconductor |
