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PI3VST01 Datasheet(PDF) 1 Page - Pericom Semiconductor Corporation |
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PI3VST01 Datasheet(HTML) 1 Page - Pericom Semiconductor Corporation |
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1 / 7 page  1 www.pericom.com 07/08/15 All trademarks are property of their respective owners. Block Diagram Description The VGA connector does not have a hot-plug pin to tell the sys- tem that a monitor is connected. More recent video standards, such as HDMI and DisplayPort, save power by adding a hot-plug pin which allows graphics outputs to be powered down when a monitor is not connected. Pericom’s PI3VST01 HPD signal generator generates a monitor detection signal from a VGA source connector to tell the VGA source if an external monitor is connected or not. PI3VST01 allows notebook makers to shut off the VGA DAC when a monitor is not connected, thus saving 170 mW per DAC. PI3VST01 dissipates only 0.66 mW. The monitor detection scheme within the PI3VST01 will not affect normal operation of the video driver. Features Î Î Hot Plug Detect Signal Generator for VGA connectors Î Î Generates hot plug output signal telling system when monitor is present or not Î Î Power Supply, 3.3V and 5.0V Î Î ESD tolerance on pin 7 is up to +/-4kV contact per IEC61000-4-2 specification Î Î -3dB BW of 1.7GHz (typ) Î Î 4.75 Ohm On Resistance with 0.5 Ohm flatness (typ) Î Î Low input/output capacitance (Con = 4.5pF, typ) Î Î Packaging (Pb-free and Green): à 8-contact MSOP (U) PI3VST01 HPD signal Generator for VGA Logic Control Detector HPD_OUT BOUT BIN VSYNC RREF GND BIN VSYNC HPD_OUT BOUT Rref DD5 V DD3 V Pin Configuration-U8 (Top View) 15-0090 |
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