| 1144841 | MM74HC253J | Multiplexor dual cu 4 canale TRI-STATE | National Semiconductor |
| 1144842 | MM74HC253M | Multiplexor dual cu 4 canale TRI-STATE | National Semiconductor |
| 1144843 | MM74HC253N | Multiplexor dual cu 4 canale TRI-STATE | National Semiconductor |
| 1144844 | MM74HC258 | Multiplexor quad-canal TRI-STATE (ieșire inversată) | National Semiconductor |
| 1144845 | MM74HC259 | Decodor de blocare adresabil pe 8 biți / decodare de linie 3-la-8 | Fairchild Semiconductor |
| 1144846 | MM74HC259 | Decodor de blocare adresabil pe 8 biți / decodare de linie 3-la-8 | National Semiconductor |
| 1144847 | MM74HC259M | Decodor de blocare adresabil pe 8 biți / decodare de linie 3-la-8 | Fairchild Semiconductor |
| 1144848 | MM74HC259MTC | Decodor de blocare adresabil pe 8 biți / decodare de linie 3-la-8 | Fairchild Semiconductor |
| 1144849 | MM74HC259MTCX | Decodor de blocare adresabil pe 8 biți / decodare de linie 3-la-8 | Fairchild Semiconductor |
| 1144850 | MM74HC259MX | Decodor de blocare adresabil pe 8 biți / decodare de linie 3-la-8 | Fairchild Semiconductor |
| 1144851 | MM74HC259N | Decodor de blocare adresabil pe 8 biți / decodare de linie 3-la-8 | Fairchild Semiconductor |
| 1144852 | MM74HC259SJ | Decodor de blocare adresabil pe 8 biți / decodare de linie 3-la-8 | Fairchild Semiconductor |
| 1144853 | MM74HC259SJX | Decodor de blocare adresabil pe 8 biți / decodare de linie 3-la-8 | Fairchild Semiconductor |
| 1144854 | MM74HC266A | Poarta NOR exclusivă cu 2 intrări (golire deschisă) | National Semiconductor |
| 1144855 | MM74HC27 | Poarta NOR triplă cu 3 intrări | National Semiconductor |
| 1144856 | MM74HC273 | Octal D-Type Flip-Flop cu Clear | Fairchild Semiconductor |
| 1144857 | MM74HC273 | Flip-flops Octal D cu Clear | National Semiconductor |
| 1144858 | MM74HC273CW | Octal D-Type Flip-Flop cu Clear | Fairchild Semiconductor |
| 1144859 | MM74HC273M | Flip-flops de tip D octale cu Clear | Fairchild Semiconductor |
| 1144860 | MM74HC273MTC | Octal D-Type Flip-Flop cu Clear | Fairchild Semiconductor |
| 1144861 | MM74HC273MTCX | Octal D-Type Flip-Flop cu Clear | Fairchild Semiconductor |
| 1144862 | MM74HC273MTCX_NL | Octal D-Type Flip-Flop cu Clear | Fairchild Semiconductor |
| 1144863 | MM74HC273N | Octal D-Type Flip-Flop cu Clear | Fairchild Semiconductor |
| 1144864 | MM74HC273SJ | Octal D-Type Flip-Flop cu Clear | Fairchild Semiconductor |
| 1144865 | MM74HC273SJX | Octal D-Type Flip-Flop cu Clear | Fairchild Semiconductor |
| 1144866 | MM74HC273WM | Octal D-Type Flip-Flop cu Clear | Fairchild Semiconductor |
| 1144867 | MM74HC273WMX | Octal D-Type Flip-Flop cu Clear | Fairchild Semiconductor |
| 1144868 | MM74HC273WMX_NL | Octal D-Type Flip-Flop cu Clear | Fairchild Semiconductor |
| 1144869 | MM74HC27J | Poarta NOR triplă cu 3 intrări | National Semiconductor |
| 1144870 | MM74HC27N | Poarta NOR triplă cu 3 intrări | National Semiconductor |
| 1144871 | MM74HC280 | 9-Bit Par / Impar Paritatea Generator / Checker | National Semiconductor |
| 1144872 | MM74HC280J | 9-Bit Par / Impar Paritatea Generator / Checker | National Semiconductor |
| 1144873 | MM74HC280N | 9-Bit Par / Impar Paritatea Generator / Checker | National Semiconductor |
| 1144874 | MM74HC283 | 4-bit Adder Binary cu Carry Fast | National Semiconductor |
| 1144875 | MM74HC299 | Registr de schimburi universale TRI-STATE pe 8 biți | National Semiconductor |
| 1144876 | MM74HC299J | Registr de schimburi universale TRI-STATE pe 8 biți | National Semiconductor |
| 1144877 | MM74HC299N | Registr de schimburi universale TRI-STATE pe 8 biți | National Semiconductor |
| 1144878 | MM74HC30 | 8-Input NAND Gate | National Semiconductor |
| 1144879 | MM74HC30J | 8-Input NAND Gate | National Semiconductor |
| 1144880 | MM74HC30N | 8-Input NAND Gate | National Semiconductor |
