| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| MC74HC27AD | Triple 3-input NOR gate | Motorola | SOIC | 14 | -55°C | 125°C | 135 K |
| MC74HC27ADT | Triple 3-input NOR gate | Motorola | TSSOP | 14 | -55°C | 125°C | 135 K |
| MC74HC27AN | Triple 3-input NOR gate | Motorola | PDIP | 14 | -55°C | 125°C | 135 K |
| MC74HC27D | Triple 3-input NOR gate | Motorola | SOIC | 14 | -55°C | 125°C | 157 K |
| MC74HC27N | Triple 3-input NOR gate | Motorola | PDIP | 14 | -55°C | 125°C | 157 K |
| MC74HC280D | 9-bit odd/even parity generator/checker | Motorola | SOIC | 14 | -55°C | 125°C | 205 K |
| MC74HC280N | 9-bit odd/even parity generator/checker | Motorola | PDIP | 14 | -55°C | 125°C | 205 K |
| MC74HC299N | 8-bit bidirectional universal shift register | Motorola | PDIP | 20 | -55°C | 125°C | 268 K |
| TC74HC245AF | Octal bus transceiver 3-state non-inverting | Toshiba | - | 20 | -40°C | 85°C | 251 K |
| TC74HC245AP | Octal bus transceiver 3-state non-inverting | Toshiba | - | 20 | -40°C | 85°C | 251 K |
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