| 448761 | DM74LS490N | 7 V, dual decade counter | National Semiconductor |
| 448762 | DM74LS491 | 10-Bit Counter | National Semiconductor |
| 448763 | DM74LS491A | 10-Bit Counter | National Semiconductor |
| 448764 | DM74LS491AJ | 7 V, 10-bit counter | National Semiconductor |
| 448765 | DM74LS491AN | 7 V, 10-bit counter | National Semiconductor |
| 448766 | DM74LS491AV | 7 V, 10-bit counter | National Semiconductor |
| 448767 | DM74LS491J | 10-Bit Counter | National Semiconductor |
| 448768 | DM74LS491N | 10-Bit Counter | National Semiconductor |
| 448769 | DM74LS498 | Octal Shift Register | National Semiconductor |
| 448770 | DM74LS498A | Octal Shift Register | National Semiconductor |
| 448771 | DM74LS498AJ | 7 V, octal shift register | National Semiconductor |
| 448772 | DM74LS498AN | 7 V, octal shift register | National Semiconductor |
| 448773 | DM74LS498AV | 7 V, octal shift register | National Semiconductor |
| 448774 | DM74LS498J | 7 V, octal shift register | National Semiconductor |
| 448775 | DM74LS498N | 7 V, octal shift register | National Semiconductor |
| 448776 | DM74LS502 | 8-Bit Successive Approximation Register | National Semiconductor |
| 448777 | DM74LS502N | 8-Bit Successive Approximation Register | National Semiconductor |
| 448778 | DM74LS502WM | 8-Bit Successive Approximation Register | National Semiconductor |
| 448779 | DM74LS503 | 8-Bit Successive Approximation Register (with Expansion Control) | Fairchild Semiconductor |
|
| 448780 | DM74LS503 | 8-Bit Successive Approximation Register (with Expansion Control) | National Semiconductor |
| 448781 | DM74LS503N | 8-Bit Successive Approximation Register (with Expansion Control) | Fairchild Semiconductor |
| 448782 | DM74LS503N | 7 V, 8-bit successive approximation register | National Semiconductor |
| 448783 | DM74LS503WM | 7 V, 8-bit successive approximation register | National Semiconductor |
| 448784 | DM74LS51 | Dual 2-Wide 2-Input, 2-Wide 3-Input AND-OR-INVERT Gate | Fairchild Semiconductor |
| 448785 | DM74LS51 | Dual 2-Wide 2-Input, 2-Wide 3-Input AND-OR-INVERT Gate | National Semiconductor |
| 448786 | DM74LS51M | Dual 2-Wide 2-Input, 2-Wide 3-Input AND-OR-INVERT Gate | Fairchild Semiconductor |
| 448787 | DM74LS51N | Dual 2-Wide 2-Input, 2-Wide 3-Input AND-OR-INVERT Gate | Fairchild Semiconductor |
| 448788 | DM74LS533 | Octal Transparent Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 448789 | DM74LS533 | Octal Transparent Latch with TRI-STATE Outputs | National Semiconductor |
| 448790 | DM74LS533N | Octal Transparent Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 448791 | DM74LS533N | 7 V, octal transparent latch with TRI-STATE output | National Semiconductor |
| 448792 | DM74LS533WM | Octal Transparent Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 448793 | DM74LS533WM | 7 V, octal transparent latch with TRI-STATE output | National Semiconductor |
| 448794 | DM74LS533WMX | Octal Transparent Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 448795 | DM74LS534 | Octal D-Type Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
| 448796 | DM74LS534 | Octal D Flip-Flop with TRI-STATE Outputs | National Semiconductor |
| 448797 | DM74LS534N | Octal D-Type Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
| 448798 | DM74LS534N | 7 V, octal D-type flip-flop with TRI-STATE output | National Semiconductor |
| 448799 | DM74LS534WM | 7 V, octal D-type flip-flop with TRI-STATE output | National Semiconductor |
| 448800 | DM74LS54 | 4-Wide 2-Input AND-OR-INVERT Gate | National Semiconductor |
