| Nr. | Nombre de la Parte | Descripción | Fabricante |
| 733681 | M74HC20RM13TR | PUERTA DUAL DE 4-input NAND | SGS Thomson Microelectronics |
| 733682 | M74HC20TTR | PUERTA DUAL DE 4-input NAND | ST Microelectronics |
| 733683 | M74HC20TTR | PUERTA DUAL DE 4-input NAND | SGS Thomson Microelectronics |
| 733684 | M74HC21 | 4-input DUAL Y PUERTA | SGS Thomson Microelectronics |
| 733685 | M74HC21 | 4-input DUAL Y PUERTA | ST Microelectronics |
| 733686 | M74HC21B1 | 4-input DUAL Y PUERTA | ST Microelectronics |
| 733687 | M74HC21B1 | 4-input DUAL Y PUERTA | ST Microelectronics |
| 733688 | M74HC21B1R | 4-input DUAL Y PUERTA | ST Microelectronics |
| 733689 | M74HC21B1R | 4-input DUAL Y PUERTA | SGS Thomson Microelectronics |
| 733690 | M74HC21C1R | 4-input DUAL Y PUERTA | ST Microelectronics |
| 733691 | M74HC21C1R | 4-input DUAL Y PUERTA | ST Microelectronics |
| 733692 | M74HC21M1R | 4-input DUAL Y PUERTA | ST Microelectronics |
| 733693 | M74HC21M1R | 4-input DUAL Y PUERTA | SGS Thomson Microelectronics |
| 733694 | M74HC21RM13TR | 4-input DUAL Y PUERTA | ST Microelectronics |
| 733695 | M74HC21RM13TR | 4-input DUAL Y PUERTA | SGS Thomson Microelectronics |
| 733696 | M74HC21TTR | 4-input DUAL Y PUERTA | ST Microelectronics |
| 733697 | M74HC21TTR | 4-input DUAL Y PUERTA | SGS Thomson Microelectronics |
| 733698 | M74HC221 | MULTIVIBRADOR MONOSTABLE DUAL | SGS Thomson Microelectronics |
| 733699 | M74HC221 | MULTIVIBRADOR MONOSTABLE DUAL | ST Microelectronics |
| 733700 | M74HC221A | MULTIVIBRADOR MONOSTABLE DUAL | SGS Thomson Microelectronics |
| 733701 | M74HC221AB1R | MULTIVIBRADOR MONOSTABLE DUAL | ST Microelectronics |
| 733702 | M74HC221AB1R | MULTIVIBRADOR MONOSTABLE DUAL | SGS Thomson Microelectronics |
| 733703 | M74HC221AC1R | MULTIVIBRADOR MONOSTABLE DUAL | ST Microelectronics |
| 733704 | M74HC221AC1R | MULTIVIBRADOR MONOSTABLE DUAL | ST Microelectronics |
| 733705 | M74HC221AF1R | MULTIVIBRADOR MONOSTABLE DUAL | ST Microelectronics |
| 733706 | M74HC221AF1R | MULTIVIBRADOR MONOSTABLE DUAL | ST Microelectronics |
| 733707 | M74HC221AM1R | MULTIVIBRADOR MONOSTABLE DUAL | ST Microelectronics |
| 733708 | M74HC221AM1R | MULTIVIBRADOR MONOSTABLE DUAL | SGS Thomson Microelectronics |
| 733709 | M74HC221ARM13TR | MULTIVIBRADOR MONOSTABLE DUAL | ST Microelectronics |
| 733710 | M74HC221ARM13TR | MULTIVIBRADOR MONOSTABLE DUAL | SGS Thomson Microelectronics |
| 733711 | M74HC221ATTR | MULTIVIBRADOR MONOSTABLE DUAL | ST Microelectronics |
| 733712 | M74HC221ATTR | MULTIVIBRADOR MONOSTABLE DUAL | SGS Thomson Microelectronics |
| 733713 | M74HC221B1R | MULTIVIBRADOR MONOSTABLE DUAL | ST Microelectronics |
| 733714 | M74HC221B1R | MULTIVIBRADOR MONOSTABLE DUAL | SGS Thomson Microelectronics |
| 733715 | M74HC221C1R | MULTIVIBRADOR MONOSTABLE DUAL | ST Microelectronics |
| 733716 | M74HC221C1R | MULTIVIBRADOR MONOSTABLE DUAL | ST Microelectronics |
| 733717 | M74HC221F1R | MULTIVIBRADOR MONOSTABLE DUAL | ST Microelectronics |
| 733718 | M74HC221F1R | MULTIVIBRADOR MONOSTABLE DUAL | ST Microelectronics |
| 733719 | M74HC221M1R | MULTIVIBRADOR MONOSTABLE DUAL | ST Microelectronics |
| 733720 | M74HC221M1R | MULTIVIBRADOR MONOSTABLE DUAL | SGS Thomson Microelectronics |
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