| 448441 | DM74LS253M | TRI-STATE Data Selectors/Multiplexers | National Semiconductor |
| 448442 | DM74LS253MX | Dual 3-STATE 1-of-4 Line Data Selector/Multiplexer | Fairchild Semiconductor |
| 448443 | DM74LS253N | 3-STATE Data Selector/Multiplexer | Fairchild Semiconductor |
| 448444 | DM74LS253N | 3-STATE Data Selector/Multiplexer | Fairchild Semiconductor |
| 448445 | DM74LS253N | TRI-STATE Data Selectors/Multiplexers | National Semiconductor |
| 448446 | DM74LS253N | TRI-STATE Data Selectors/Multiplexers | National Semiconductor |
| 448447 | DM74LS256 | Dual 4-Bit Addressable Latch | National Semiconductor |
| 448448 | DM74LS256N | Dual 4-Bit Addressable Latch | National Semiconductor |
| 448449 | DM74LS257 | 3-STATE Quad 2-Data Selectors/Multiplexers | Fairchild Semiconductor |
| 448450 | DM74LS257 | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
| 448451 | DM74LS257B | 3-STATE Quad 2-Data Selectors/Multiplexers | Fairchild Semiconductor |
| 448452 | DM74LS257B | Quad TRI-STATE 2-to-1 Line Data Selector/Multiplexer | National Semiconductor |
| 448453 | DM74LS257BCW | 3-STATE Quad 2-Data Selector/Multiplexer | Fairchild Semiconductor |
| 448454 | DM74LS257BM | 3-STATE Quad 2-Data Selectors/Multiplexers | Fairchild Semiconductor |
| 448455 | DM74LS257BM | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
| 448456 | DM74LS257BMX | 3-STATE Quad 2-Data Selector/Multiplexer | Fairchild Semiconductor |
| 448457 | DM74LS257BN | 3-STATE Quad 2-Data Selectors/Multiplexers | Fairchild Semiconductor |
| 448458 | DM74LS257BN | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
| 448459 | DM74LS258 | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
|
| 448460 | DM74LS258B | Quad TRI-STATE 2-to-1 Line Data Selector/Multiplexer (Inverting) | National Semiconductor |
| 448461 | DM74LS258BM | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
| 448462 | DM74LS258BN | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
| 448463 | DM74LS259 | 8-Bit Addressable Latches | Fairchild Semiconductor |
| 448464 | DM74LS259 | 8-Bit Serial In to Parallel Out Addressable Latches | National Semiconductor |
| 448465 | DM74LS259CW | 8-Bit Serial In to Parallel Out Addressable Latches | Fairchild Semiconductor |
| 448466 | DM74LS259M | 8-Bit Addressable Latches | Fairchild Semiconductor |
| 448467 | DM74LS259M | 8-Bit Addressable Latches | National Semiconductor |
| 448468 | DM74LS259MX | 8-Bit Serial In to Parallel Out Addressable Latches | Fairchild Semiconductor |
| 448469 | DM74LS259N | 8-Bit Addressable Latches | Fairchild Semiconductor |
| 448470 | DM74LS259N | 8-Bit Addressable Latches | National Semiconductor |
| 448471 | DM74LS259WM | 8-Bit Addressable Latches | Fairchild Semiconductor |
| 448472 | DM74LS259WM | 8-Bit Addressable Latches | National Semiconductor |
| 448473 | DM74LS259WMX | 8-Bit Serial In to Parallel Out Addressable Latches | Fairchild Semiconductor |
| 448474 | DM74LS26 | Quad 2-Input NAND Gate with High Voltage Open-Collector Outputs | Fairchild Semiconductor |
| 448475 | DM74LS26 | Quad 2-Input NAND Buffer with High-Voltage Open-Collector Outputs | National Semiconductor |
| 448476 | DM74LS260 | Dual 5-Input NOR Gate | National Semiconductor |
| 448477 | DM74LS260M | Dual 5-Input NOR Gate | National Semiconductor |
| 448478 | DM74LS260M | Dual 5-Input NOR Gate | National Semiconductor |
| 448479 | DM74LS260N | Dual 5-Input NOR Gate | National Semiconductor |
| 448480 | DM74LS260N | Dual 5-Input NOR Gate | National Semiconductor |
