| 408561 | DM74LS253 | Dual TRI-STATE 1-of-4 Line Data Selector/Multiplexer | National Semiconductor |
| 408562 | DM74LS253M | 3-STATE Data Selector/Multiplexer | Fairchild Semiconductor |
| 408563 | DM74LS253M | TRI-STATE Data Selectors/Multiplexers | National Semiconductor |
| 408564 | DM74LS253MX | Dual 3-STATE 1-of-4 Line Data Selector/Multiplexer | Fairchild Semiconductor |
| 408565 | DM74LS253N | 3-STATE Data Selector/Multiplexer | Fairchild Semiconductor |
| 408566 | DM74LS253N | 3-STATE Data Selector/Multiplexer | Fairchild Semiconductor |
| 408567 | DM74LS253N | TRI-STATE Data Selectors/Multiplexers | National Semiconductor |
| 408568 | DM74LS253N | TRI-STATE Data Selectors/Multiplexers | National Semiconductor |
| 408569 | DM74LS256 | Dual 4-Bit Addressable Latch | National Semiconductor |
| 408570 | DM74LS256N | Dual 4-Bit Addressable Latch | National Semiconductor |
| 408571 | DM74LS257 | 3-STATE Quad 2-Data Selectors/Multiplexers | Fairchild Semiconductor |
| 408572 | DM74LS257 | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
| 408573 | DM74LS257B | 3-STATE Quad 2-Data Selectors/Multiplexers | Fairchild Semiconductor |
| 408574 | DM74LS257B | Quad TRI-STATE 2-to-1 Line Data Selector/Multiplexer | National Semiconductor |
| 408575 | DM74LS257BCW | 3-STATE Quad 2-Data Selector/Multiplexer | Fairchild Semiconductor |
| 408576 | DM74LS257BM | 3-STATE Quad 2-Data Selectors/Multiplexers | Fairchild Semiconductor |
| 408577 | DM74LS257BM | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
| 408578 | DM74LS257BMX | 3-STATE Quad 2-Data Selector/Multiplexer | Fairchild Semiconductor |
| 408579 | DM74LS257BN | 3-STATE Quad 2-Data Selectors/Multiplexers | Fairchild Semiconductor |
|
| 408580 | DM74LS257BN | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
| 408581 | DM74LS258 | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
| 408582 | DM74LS258B | Quad TRI-STATE 2-to-1 Line Data Selector/Multiplexer (Inverting) | National Semiconductor |
| 408583 | DM74LS258BM | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
| 408584 | DM74LS258BN | TRI-STATE Quad 2-Data Selectors/Multiplexers | National Semiconductor |
| 408585 | DM74LS259 | 8-Bit Addressable Latches | Fairchild Semiconductor |
| 408586 | DM74LS259 | 8-Bit Serial In to Parallel Out Addressable Latches | National Semiconductor |
| 408587 | DM74LS259CW | 8-Bit Serial In to Parallel Out Addressable Latches | Fairchild Semiconductor |
| 408588 | DM74LS259M | 8-Bit Addressable Latches | Fairchild Semiconductor |
| 408589 | DM74LS259M | 8-Bit Addressable Latches | National Semiconductor |
| 408590 | DM74LS259MX | 8-Bit Serial In to Parallel Out Addressable Latches | Fairchild Semiconductor |
| 408591 | DM74LS259N | 8-Bit Addressable Latches | Fairchild Semiconductor |
| 408592 | DM74LS259N | 8-Bit Addressable Latches | National Semiconductor |
| 408593 | DM74LS259WM | 8-Bit Addressable Latches | Fairchild Semiconductor |
| 408594 | DM74LS259WM | 8-Bit Addressable Latches | National Semiconductor |
| 408595 | DM74LS259WMX | 8-Bit Serial In to Parallel Out Addressable Latches | Fairchild Semiconductor |
| 408596 | DM74LS26 | Quad 2-Input NAND Gate with High Voltage Open-Collector Outputs | Fairchild Semiconductor |
| 408597 | DM74LS26 | Quad 2-Input NAND Buffer with High-Voltage Open-Collector Outputs | National Semiconductor |
| 408598 | DM74LS260 | Dual 5-Input NOR Gate | National Semiconductor |
| 408599 | DM74LS260M | Dual 5-Input NOR Gate | National Semiconductor |
| 408600 | DM74LS260M | Dual 5-Input NOR Gate | National Semiconductor |
