| No. | Nome della parte | Descrizione | Fabbricatore |
| 81721 | 54AC157D | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81722 | 54AC157D | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81723 | 54AC157D | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81724 | 54AC157DM | Quad Multiplexer 2-Input | National Semiconductor |
| 81725 | 54AC157F | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81726 | 54AC157F | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81727 | 54AC157F | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81728 | 54AC157L | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81729 | 54AC157L | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81730 | 54AC157L | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81731 | 54AC158 | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81732 | 54AC158D | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81733 | 54AC158D | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81734 | 54AC158D | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81735 | 54AC158ERQMLV | Quad Multiplexer 2-Input | National Semiconductor |
| 81736 | 54AC158F | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81737 | 54AC158F | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81738 | 54AC158F | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81739 | 54AC158JRQMLV | Quad Multiplexer 2-Input | National Semiconductor |
| 81740 | 54AC158L | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81741 | 54AC158L | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81742 | 54AC158L | Multiplexor Del Quad 2-Input | National Semiconductor |
| 81743 | 54AC158WRQMLV | Quad Multiplexer 2-Input | National Semiconductor |
| 81744 | 54AC161 | 4-Bit Contatore Binario, Risistemazione Asincrona | National Semiconductor |
| 81745 | 54AC161 | Rad-Hard sincrono Contatore binario Con asincrono. Chiaro | ST Microelectronics |
| 81746 | 54AC161D | Contatore Binario Presettable Sincrono | National Semiconductor |
| 81747 | 54AC161D | Contatore Binario Presettable Sincrono | National Semiconductor |
| 81748 | 54AC161D | Contatore Binario Presettable Sincrono | National Semiconductor |
| 81749 | 54AC161F | Contatore Binario Presettable Sincrono | National Semiconductor |
| 81750 | 54AC161F | Contatore Binario Presettable Sincrono | National Semiconductor |
| 81751 | 54AC161F | Contatore Binario Presettable Sincrono | National Semiconductor |
| 81752 | 54AC161L | Contatore Binario Presettable Sincrono | National Semiconductor |
| 81753 | 54AC161L | Contatore Binario Presettable Sincrono | National Semiconductor |
| 81754 | 54AC161L | Contatore Binario Presettable Sincrono | National Semiconductor |
| 81755 | 54AC16244 | DRIVER DI BUFFERS/line A 16 BIT CON LE USCITE 3-state | Texas Instruments |
| 81756 | 54AC16244 | DRIVER DI BUFFERS/line A 16 BIT CON LE USCITE 3-state | Texas Instruments |
| 81757 | 54AC16244 | DRIVER DI BUFFERS/line A 16 BIT CON LE USCITE 3-state | Texas Instruments |
| 81758 | 54AC16244 | Rad-Hard 16 bit Transceiver non invertente | ST Microelectronics |
| 81759 | 54AC16244WD | DRIVER DI BUFFERS/line A 16 BIT CON LE USCITE 3-state | Texas Instruments |
| 81760 | 54AC16244WD | DRIVER DI BUFFERS/line A 16 BIT CON LE USCITE 3-state | Texas Instruments |
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