| 448801 | DM74LS540 | Octal Buffer/Line Driver with TRI-STATE Outputs | National Semiconductor |
| 448802 | DM74LS540N | 7 V, octal buffer/line driver with TRI-STATE output | National Semiconductor |
| 448803 | DM74LS540WM | 7 V, octal buffer/line driver with TRI-STATE output | National Semiconductor |
| 448804 | DM74LS54M | 4-WIDE, 2-Input AND-OR-INVERT Gate | National Semiconductor |
| 448805 | DM74LS54M | 4-WIDE, 2-INPUT AND-OR-INVERT GATE | National Semiconductor |
| 448806 | DM74LS54N | 4-WIDE, 2-Input AND-OR-INVERT Gate | National Semiconductor |
| 448807 | DM74LS54N | 4-WIDE, 2-INPUT AND-OR-INVERT GATE | National Semiconductor |
| 448808 | DM74LS55 | 2-Wide 4-Input AND-OR-INVERT Gate | National Semiconductor |
| 448809 | DM74LS55M | 2-Wide, 4-Input AND-OR-INVERT Gate | National Semiconductor |
| 448810 | DM74LS55M14A | 2-Wide, 4-Input AND-OR-INVERT Gate | National Semiconductor |
| 448811 | DM74LS55N | 2-Wide, 4-Input AND-OR-INVERT Gate | National Semiconductor |
| 448812 | DM74LS55N14A | 2-Wide, 4-Input AND-OR-INVERT Gate | National Semiconductor |
| 448813 | DM74LS563 | Octal D Latch with TRI-STATE Outputs | National Semiconductor |
| 448814 | DM74LS563N | 7 V, octal D-type latch with TRI-STATE output | National Semiconductor |
| 448815 | DM74LS563WM | 7 V, octal D-type latch with TRI-STATE output | National Semiconductor |
| 448816 | DM74LS564 | Octal D-Type Flip-Flop with TRI-STATE Outputs | National Semiconductor |
| 448817 | DM74LS573 | Octal D-Type Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 448818 | DM74LS573 | Octal D-Type Latch with TRI-STATE Outputs | National Semiconductor |
| 448819 | DM74LS573N | Octal D-Type Latch with 3-STATE Outputs | Fairchild Semiconductor |
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| 448820 | DM74LS573N | 7 V, octal D-type latch with TRI-STATE output | National Semiconductor |
| 448821 | DM74LS573WM | Octal D-Type Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 448822 | DM74LS573WM | 7 V, octal D-type latch with TRI-STATE output | National Semiconductor |
| 448823 | DM74LS573WMX | Octal D-Type Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 448824 | DM74LS574 | Octal D-Type Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
| 448825 | DM74LS574 | Octal D Flip-Flop with TRI-STATE Outputs | National Semiconductor |
| 448826 | DM74LS574N | Octal D-Type Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
| 448827 | DM74LS574N | 7 V, octal D-type flip-flop with TRI-STATE output | National Semiconductor |
| 448828 | DM74LS574WM | Octal D-Type Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
| 448829 | DM74LS574WM | 7 V, octal D-type flip-flop with TRI-STATE output | National Semiconductor |
| 448830 | DM74LS574WMX | Octal D Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
| 448831 | DM74LS645 | Octal Bus Transceiver | Fairchild Semiconductor |
| 448832 | DM74LS645 | Octal TRI-STATE Bus Transceiver | National Semiconductor |
| 448833 | DM74LS645N | Octal Bus Transceiver | Fairchild Semiconductor |
| 448834 | DM74LS645N | 7 V, octal bus transceiver | National Semiconductor |
| 448835 | DM74LS645WM | Octal Bus Transceiver | Fairchild Semiconductor |
| 448836 | DM74LS645WM | 7 V, octal bus transceiver | National Semiconductor |
| 448837 | DM74LS645WMX | Octal 3-STATE Bus Transceiver | Fairchild Semiconductor |
| 448838 | DM74LS670 | 3-STATE 4-by-4 Register File | Fairchild Semiconductor |
| 448839 | DM74LS670 | TRI-STATE 4-by-4 Register File | National Semiconductor |
| 448840 | DM74LS670CW | 3-STATE 4-by-4 Register File | Fairchild Semiconductor |
