10-Bit Bus Switch With Pre-Charged Outputs And −2V Undershoot Hardened Circuit (UHC) Protection

The Fairchild Switch FSTU6800 provides 10-bits of high- speed CMOS TTL-compatible bus switching. The low on resistance of the Switch allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise. Both the A Ports and the B Ports are undershoot hardened with UHC protection to support an extended input range to 2.0V below ground. Fairchilds integrated Undershoot Hardened Circuit, UHC senses undershoot at the I/Os, and responds by preventing voltage differentials from developing and turning on the Switch The device also precharges the B Port to a select- able bias voltage (BiasV) to minimize live insertion noise. The device is organized as a 10-bit Switch with a bus enable (OE) signal. When OE is LOW, the Switch is ON and Port A is connected to Port B. When OE is HIGH, the Switch is OPEN and the B Port is precharged to BiasV through an equivalent 10-k resistor. By Fairchild Semiconductor
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FSTU6800 Pinout, Pinouts
FSTU6800 pinout,Pin out
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