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FSTU6800 - 10-Bit Bus Switch

Description

The Fairchild Switch FSTU6800 provides 10-bits of highspeed 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.

Features

  • s 4Ω switch connection between two ports. s Undershoot Hardened to -2.0V. s Soft enable turn-on to minimize bus-to-bus charge sharing during enable. s Low lCC. s Zero bounce in flow-through mode. s Output precharge to minimize live insertion noise. s Control inputs compatible with TTL level. s See.

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Other Datasheets by Fairchild (onsemi)

Part Number Description
FSTU16211 24-Bit Bus Switch with .2V Undershoot Protection (Preliminary)
FSTU162211 24-Bit Bus Switch with .2V Undershoot Protection and 25 Series Resistors in Outputs (Preliminary)
FSTU16245 16-Bit Bus Switch with −2V Undershoot Protection
FSTU162450 Configurable 4-Bit to 20-Bit Bus Switch with .2V Undershoot Protection and 25 Series Resistors in Outputs (Preliminary)
FSTU16861 20-Bit Bus Switch with −2V Undershoot Protection

Full PDF Text Transcription

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FSTU6800 10-Bit Bus Switch with Pre-Charged Outputs December 1998 Revised December 1999 FSTU6800 10-Bit Bus Switch with Pre-Charged Outputs and −2V Undershoot Hardened Circuit (UHC) Protection General Description The Fairchild Switch FSTU6800 provides 10-bits of highspeed 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. Fairchild’s integrated Undershoot Hardened Circuit, UHC senses undershoot at the I/Os, and responds by preventing voltage differentials from developing and turning on the switch.
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