| 1186601 | MM74HC4020 | 14-Stage Binary Counter | National Semiconductor |
| 1186602 | MM74HC4020M | 14-Stage Binary Counter | Fairchild Semiconductor |
| 1186603 | MM74HC4020MTC | 14-Stage Binary Counter 12-Stage Binary Counter | Fairchild Semiconductor |
| 1186604 | MM74HC4020MX | 14-Stage Binary Counter | Fairchild Semiconductor |
| 1186605 | MM74HC4020N | 14-Stage Binary Counter | Fairchild Semiconductor |
| 1186606 | MM74HC4020SJ | 14-Stage Binary Counter | Fairchild Semiconductor |
| 1186607 | MM74HC4020SJX | 14-Stage Binary Counter | Fairchild Semiconductor |
| 1186608 | MM74HC4040 | 12-Stage Binary Counter | Fairchild Semiconductor |
| 1186609 | MM74HC4040 | 12-Stage Binary Counter | National Semiconductor |
| 1186610 | MM74HC4040CW | 12-Stage Binary Counter | Fairchild Semiconductor |
| 1186611 | MM74HC4040M | 12-Stage Binary Counter | Fairchild Semiconductor |
| 1186612 | MM74HC4040MTC | 12-Stage Binary Counter | Fairchild Semiconductor |
| 1186613 | MM74HC4040MTCX | 12-Stage Binary Counter | Fairchild Semiconductor |
| 1186614 | MM74HC4040MX | 12-Stage Binary Counter | Fairchild Semiconductor |
| 1186615 | MM74HC4040N | 12-Stage Binary Counter | Fairchild Semiconductor |
| 1186616 | MM74HC4040SJ | 12-Stage Binary Counter | Fairchild Semiconductor |
| 1186617 | MM74HC4040SJX | 12-Stage Binary Counter | Fairchild Semiconductor |
| 1186618 | MM74HC4046 | CMOS Phase-Locked Loop | Fairchild Semiconductor |
| 1186619 | MM74HC4046 | CMOS Phase Lock Loop | National Semiconductor |
|
| 1186620 | MM74HC4046CW | CMOS Phase-Locked Loop | Fairchild Semiconductor |
| 1186621 | MM74HC4046M | CMOS Phase-Locked Loop | Fairchild Semiconductor |
| 1186622 | MM74HC4046MTC | CMOS Phase-Locked Loop | Fairchild Semiconductor |
| 1186623 | MM74HC4046MTCX | CMOS Phase-Locked Loop | Fairchild Semiconductor |
| 1186624 | MM74HC4046MX | CMOS Phase-Locked Loop | Fairchild Semiconductor |
| 1186625 | MM74HC4046MX_NL | CMOS Phase-Locked Loop | Fairchild Semiconductor |
| 1186626 | MM74HC4046N | CMOS Phase-Locked Loop | Fairchild Semiconductor |
| 1186627 | MM74HC4046N_NL | CMOS Phase-Locked Loop | Fairchild Semiconductor |
| 1186628 | MM74HC4046SJ | CMOS Phase-Locked Loop | Fairchild Semiconductor |
| 1186629 | MM74HC4046SJX | CMOS Phase-Locked Loop | Fairchild Semiconductor |
| 1186630 | MM74HC4049 | Hex Inverting Logic Level Down Converter | Fairchild Semiconductor |
| 1186631 | MM74HC4049 | Hex Inverting Logic Level Down Counter | National Semiconductor |
| 1186632 | MM74HC4049CW | Hex Inverting Logic Level Down Converter | Fairchild Semiconductor |
| 1186633 | MM74HC4049M | Hex Inverting Logic Level Down Converter | Fairchild Semiconductor |
| 1186634 | MM74HC4049MTC | Hex Inverting Logic Level Down Converter | Fairchild Semiconductor |
| 1186635 | MM74HC4049MTCX | Hex Inverting Logic Level Down Converter | Fairchild Semiconductor |
| 1186636 | MM74HC4049MX | Hex Inverting Logic Level Down Converter | Fairchild Semiconductor |
| 1186637 | MM74HC4049N | Hex Inverting Logic Level Down Converter | Fairchild Semiconductor |
| 1186638 | MM74HC4049SJ | Hex Inverting Logic Level Down Converter . Hex Logic Level Down Converter | Fairchild Semiconductor |
| 1186639 | MM74HC4050 | Hex Logic Level Down Converter | Fairchild Semiconductor |
| 1186640 | MM74HC4050 | Hex Logic Level Down Counter | National Semiconductor |
