| Nr. | Nombre de la Parte | Descripción | Fabricante |
| 921561 | N74F240AD | Almacenador intermediario octal 3-State del inversor | Philips |
| 921562 | N74F240AN | Almacenador intermediario octal 3-State del inversor | Philips |
| 921563 | N74F240D | Almacenador intermediario octal 3-State del inversor | Philips |
| 921564 | N74F240D | Memoria intermedia de inversión octal (3-state) | NXP Semiconductors |
| 921565 | N74F240DB | Almacenador intermediario octal 3-State del inversor | Philips |
| 921566 | N74F240DB | Memoria intermedia de inversión octal (3-state) | NXP Semiconductors |
| 921567 | N74F240N | Almacenador intermediario octal 3-State del inversor | Philips |
| 921568 | N74F240N | Memoria intermedia de inversión octal (3-state) | NXP Semiconductors |
| 921569 | N74F241AD | Almacenador intermediario octal 3-State del inversor | Philips |
| 921570 | N74F241AN | Almacenador intermediario octal 3-State del inversor | Philips |
| 921571 | N74F241D | Almacenador intermediario octal 3-State del inversor | Philips |
| 921572 | N74F241D | Octal buffer (3-state) | NXP Semiconductors |
| 921573 | N74F241N | Almacenador intermediario octal 3-State del inversor | Philips |
| 921574 | N74F241N | Octal buffer (3-state) | NXP Semiconductors |
| 921575 | N74F242D | Transmisor-receptor del cuadrángulo, invirtiendo 3-State | Philips |
| 921576 | N74F242D | Transceptor Quad, invirtiendo (3-State); Transceptor Quad (3-State) | NXP Semiconductors |
| 921577 | N74F242N | Transmisor-receptor del cuadrángulo, invirtiendo 3-State | Philips |
| 921578 | N74F242N | Transceptor Quad, invirtiendo (3-State); Transceptor Quad (3-State) | NXP Semiconductors |
| 921579 | N74F243D | Transmisor-receptor del cuadrángulo, invirtiendo 3-State | Philips |
| 921580 | N74F243N | Transmisor-receptor del cuadrángulo, invirtiendo 3-State | Philips |
| 921581 | N74F244BD | Almacenadores intermediarios octales 3-State | Philips |
| 921582 | N74F244BD | Octal buffers (3-State) | NXP Semiconductors |
| 921583 | N74F244BN | Almacenadores intermediarios octales 3-State | Philips |
| 921584 | N74F244BN | Octal buffers (3-State) | NXP Semiconductors |
| 921585 | N74F244D | Almacenadores intermediarios octales 3-State | Philips |
| 921586 | N74F244D | Octal buffers (3-State) | NXP Semiconductors |
| 921587 | N74F244DB | Almacenadores intermediarios octales 3-State | Philips |
| 921588 | N74F244DB | Octal buffers (3-State) | NXP Semiconductors |
| 921589 | N74F244N | Almacenadores intermediarios octales 3-State | Philips |
| 921590 | N74F244N | Octal buffers (3-State) | NXP Semiconductors |
| 921591 | N74F245 | Transmisor-receptor octal 3-State | Philips |
| 921592 | N74F245D | Transmisor-receptor octal 3-State | Philips |
| 921593 | N74F245D | Transceptor octal (3-State) | NXP Semiconductors |
| 921594 | N74F245DB | Transmisor-receptor octal 3-State | Philips |
| 921595 | N74F245DB | Transceptor octal (3-State) | NXP Semiconductors |
| 921596 | N74F245N | Transmisor-receptor octal 3-State | Philips |
| 921597 | N74F245N | Transceptor octal (3-State) | NXP Semiconductors |
| 921598 | N74F251AD | 8-input multiplexor 3-State | Philips |
| 921599 | N74F251AN | 8-input multiplexor 3-State | Philips |
| 921600 | N74F253D | Multiplexor dual 3-State de la entrada 4-bit | Philips |
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