SN74CBT6845CPW Texas Instruments - Yeehing Electronics

5-V, 1:1 (SPST), 8-channel FET bus switch with precharged outputs & –2-V undershoot protection

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The SN74CBT6845C is a high-speed TTL-compatible FET bus switch with low ON-state resistance (ron), allowing for minimal propagation delay. Active Undershoot-Protection Circuitry on the A and B ports of the SN74CBT6845C provides protection for undershoot up to –2 V by sensing an undershoot event and ensuring that the switch remains in the proper OFF state. The device also precharges the B port to a user-selectable bias voltage (BIASV) to minimize live-insertion noise.