10-Bit FET Bus Switch With Precharged Outputs
The SN74CBT6800A provides ten bits of high-speed TTL-compatible bus switching. The low on-state resistance of the Switch allows bidirectional connections to be made while adding near-zero propagation delay. The device also precharges the B port to a user-selectable bias voltage (BIASV) to minimize live-insertion noise.
The SN74CBT6800A is organized as one 10-bit Switch with a single enable (ON) input. When ON is low, the Switch is on, and port A is connected to port B. When ON is high, the Switch between port A and port B is open. When ON is high or VCC is 0 V, B port is precharged to BIASV through the equivalent of a 10-k resistor.
By Texas Instruments
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