| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| MC74F640DW | Octal bus transceiver,inverting with 3-state outputs | Motorola | SOIC | 20 | -55°C | 125°C | 84 K |
| MC74F640J | Octal bus transceiver,inverting with 3-state outputs | Motorola | DIP | 20 | -55°C | 125°C | 84 K |
| MC74F640N | Octal bus transceiver,inverting with 3-state outputs | Motorola | PDIP | 20 | -55°C | 125°C | 84 K |
| MC74F646DW | Octal transceiver/register with 3-state outputs | Motorola | SOIC | 24 | -55°C | 125°C | 115 K |
| MC74F646N | Octal transceiver/register with 3-state outputs | Motorola | PDIP | 24 | -55°C | 125°C | 115 K |
| MC74F648DW | Octal transceiver/register with 3-state outputs | Motorola | SOIC | 24 | -55°C | 125°C | 115 K |
| MC74F648N | Octal transceiver/register with 3-state outputs | Motorola | PDIP | 24 | -55°C | 125°C | 115 K |
| MC74F657ADW | Octal bidirectional transceiver with 8-bit parity generator checker | Motorola | SOIC | 24 | -55°C | 125°C | 120 K |
| MC74F657BDW | Octal bidirectional transceiver with 8-bit parity generator checker | Motorola | SOIC | 24 | -55°C | 125°C | 120 K |
| MC74F657BN | Octal bidirectional transceiver with 8-bit parity generator checker | Motorola | PDIP | 24 | -55°C | 125°C | 120 K |
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