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Partname: | DS8641 |
Description: | Quad Unified Bus Transceiver |
Manufacturer: | National Semiconductor |
Datasheet: | PDF (78.1K). Click here to download *) |
The DS8641 is a quad high speed drivers/receivers designed for use in bus organized data transmission systems interconnected by terminated 120 impedance lines. The external termination is intended to be a 180 resistor from the bus to the +5V logic supply together with a 390 resistor from the bus to ground. The bus can be terminated at one or both ends. Low bus pin current allows up to 27 driver/ receiver pairs to utilize a common bus. The bus loading is unchanged when VCC = 0V. The receivers incorporate tight thresholds for better bus noise immunity. One two-input NOR gate is included to disable all drivers in a package simultaneously. |
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Click here to download DS8641 Datasheet*) |
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