| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| 74HC643D | Octal bus transceiver; 3-state; true/inverting | Philips-Semiconductors | SOT163 | - | - | - | 52 K |
| 74HC643N | Octal bus transceiver; 3-state; true/inverting | Philips-Semiconductors | SOT146 | - | - | - | 52 K |
| 74HC643U | Octal bus transceiver; 3-state; true/inverting | Philips-Semiconductors | - | - | - | - | 52 K |
| M74HC643B1R | OCTAL BUS TRANSCEIVER (3-STATE) | SGS-Thomson-Microelectronics | - | - | - | - | 338 K |
| M74HC643M1R | OCTAL BUS TRANSCEIVER (3-STATE) | SGS-Thomson-Microelectronics | - | - | - | - | 338 K |
| M74HC643RM13TR | OCTAL BUS TRANSCEIVER (3-STATE) | SGS-Thomson-Microelectronics | - | - | - | - | 338 K |
| M74HC643TTR | OCTAL BUS TRANSCEIVER (3-STATE) | SGS-Thomson-Microelectronics | - | - | - | - | 338 K |
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