| 137561 | 74F273SJ | Octal D Flip-Flop | National Semiconductor |
| 137562 | 74F273SJX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 137563 | 74F273SJX | Octal D flip-flop | National Semiconductor |
| 137564 | 74F27PC | Poarta NOR triplă cu 3 intrări | Fairchild Semiconductor |
| 137565 | 74F27SC | Poarta NOR triplă cu 3 intrări | Fairchild Semiconductor |
| 137566 | 74F27SJ | Poarta NOR triplă cu 3 intrări | Fairchild Semiconductor |
| 137567 | 74F280 | 9-bit de paritate Generator / Checker | Fairchild Semiconductor |
| 137568 | 74F280 | 9-bit de paritate Generator / Checker | National Semiconductor |
| 137569 | 74F280 | 9-bit ciudat / chiar generator de paritate / checker | Philips |
| 137570 | 74F280B | 9-bit ciudat / chiar generator de paritate / checker | Philips |
| 137571 | 74F280PC | 9-bit de paritate Generator / Checker | Fairchild Semiconductor |
| 137572 | 74F280PC | 9-bit de paritate Generator / Checker | National Semiconductor |
| 137573 | 74F280SC | 9-bit de paritate Generator / Checker | Fairchild Semiconductor |
| 137574 | 74F280SC | 9-bit de paritate Generator / Checker | National Semiconductor |
| 137575 | 74F280SCX | 9-bit de paritate Generator / Checker | Fairchild Semiconductor |
| 137576 | 74F280SJ | 9-bit de paritate Generator / Checker | Fairchild Semiconductor |
| 137577 | 74F280SJ | 9-bit de paritate Generator / Checker | National Semiconductor |
| 137578 | 74F280SJX | 9-bit de paritate Generator / Checker | Fairchild Semiconductor |
| 137579 | 74F283 | 4-Bit Binary completa Adder cu Carry Fast | Fairchild Semiconductor |
| 137580 | 74F283 | 4-Bit Binary completa Adder cu Carry Fast | National Semiconductor |
| 137581 | 74F283 | 4-bit binar sumator cu transporta rapid | Philips |
| 137582 | 74F283PC | 4-Bit Binary completa Adder cu Carry Fast | Fairchild Semiconductor |
| 137583 | 74F283PC | 4-Bit Binary completa Adder cu Carry Fast | National Semiconductor |
| 137584 | 74F283SC | 4-Bit Binary completa Adder cu Carry Fast | Fairchild Semiconductor |
| 137585 | 74F283SC | 4-Bit Binary completa Adder cu Carry Fast | National Semiconductor |
| 137586 | 74F283SCX | 4-Bit Binary completa Adder cu Carry Fast | Fairchild Semiconductor |
| 137587 | 74F283SJ | 4-Bit Binary completa Adder cu Carry Fast | Fairchild Semiconductor |
| 137588 | 74F283SJ | 4-Bit Binary completa Adder cu Carry Fast | National Semiconductor |
| 137589 | 74F283SJX | 4-Bit Binary completa Adder cu Carry Fast | Fairchild Semiconductor |
| 137590 | 74F2952 | Transceiver-ul înregistrat, cu 3 state fără inversare | Philips |
| 137591 | 74F2953 | Transceiver-ul înregistrat, cu 3 state fără inversare | Philips |
| 137592 | 74F298 | Quad multiplexor 2-intrare cu depozitare | Philips |
| 137593 | 74F299 | Registrul de schimbare / depozitare universal octal cu pini I / O paraleli comuni | Fairchild Semiconductor |
| 137594 | 74F299 | Registrul de schimbare / depozitare universal octal cu pini I / O paraleli comuni | National Semiconductor |
| 137595 | 74F299 | 8-bit registru universal shift / depozitare (3-State) | Philips |
| 137596 | 74F299PC | Registrul de schimbare / depozitare universal octal cu pini I / O paraleli comuni | Fairchild Semiconductor |
| 137597 | 74F299PC | Registrul de schimbare / depozitare universal octal cu pini I / O paraleli comuni | National Semiconductor |
| 137598 | 74F299SC | Registrul de schimbare / depozitare universal octal cu pini I / O paraleli comuni | Fairchild Semiconductor |
| 137599 | 74F299SC | Registrul de schimbare / depozitare universal octal cu pini I / O paraleli comuni | National Semiconductor |
| 137600 | 74F299SCX | Octal universal Shift / Depozitare Inregistrează-te cu I / O paralelă comună Pins | Fairchild Semiconductor |
