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Partname: | DS8838 |
Description: | Quad Unified Bus Transceiver |
Manufacturer: | National Semiconductor |
Datasheet: | PDF (82.3K). Click here to download *) |
The DS8838 is a quad high speed driver/receiver designed for use in bus organized data transmission systems interconnected by terminated 120 impedance lines. The external termination is intended to be 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 hysteresis to greatly enhance bus noise immunity. One two-input NOR gate is included to disable all drivers in a package simultaneously. Receiver performance is optimized for systems with bus rise and fall times 1.0 s/V. |
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Click here to download DS8838 Datasheet*) |
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